WO2004002516A1 - 呼吸器疾患の診断・予防・治療剤 - Google Patents
呼吸器疾患の診断・予防・治療剤 Download PDFInfo
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- WO2004002516A1 WO2004002516A1 PCT/JP2003/008168 JP0308168W WO2004002516A1 WO 2004002516 A1 WO2004002516 A1 WO 2004002516A1 JP 0308168 W JP0308168 W JP 0308168W WO 2004002516 A1 WO2004002516 A1 WO 2004002516A1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7088—Compounds having three or more nucleosides or nucleotides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/06—Antiasthmatics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
- C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
- C07K14/4702—Regulators; Modulating activity
- C07K14/4703—Inhibitors; Suppressors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
- G01N33/6884—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids from lung
Definitions
- the present invention relates to an agent for preventing or treating respiratory diseases, a diagnostic agent, and the like.
- smoking can be a definite etiology of chronic obstructive pulmonary disease.
- Smoking causes obstructive disorders and depends on the number of cigarettes. The younger the age at which smoking starts, the easier it is to progress.
- a dose correlation between smoking and bronchial gland hyperplasia has been confirmed.
- C0PD chronic obstructive pulmonary disease
- Central airway lesions, goblet cell hyperplasia and proliferation of cells in the submucosal glands, such as hypertrophy and secretory tissue morphological changes are seen.
- an increase in macrophage-activated T lymphocytes has been shown in the airway mucosa.
- Lesions in the bronchiole region include mucus embolism in the airway lumen, goblet cell dysplasia in the airway epithelium, inflammatory cell infiltration in the airway wall, smooth muscle hypertrophy, and fibrosis.
- DC-HIL Dendritic cell-associated transmembrane protein
- the present inventors have conducted intensive studies in order to solve the above-mentioned problems, and as a result, have found a gene whose expression is significantly increased in lung tissue having emphysema disease, and further studied based on this finding. As a result, the present invention has been completed.
- a protein containing a protein having the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1 or a partial peptide thereof or a compound inhibiting the activity of a salt thereof or a salt thereof Prevention and treatment of respiratory diseases
- a diagnostic agent for a respiratory disease comprising a protein containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1 or a polynucleotide encoding a partial peptide thereof,
- a prophylactic / therapeutic agent for a respiratory disease comprising a compound having an action of inhibiting heparan sulfate proteodalican binding activity or a salt thereof,
- the pharmaceutical compound is a compound for preventing or treating respiratory disease, a compound used for preventing or treating respiratory disease, or a compound having a preventive or treating effect for Z or respiratory disease.
- a pharmaceutical compound characterized by containing a protein having the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1, or a partial peptide or a salt thereof; Screening kit, (15b) The pharmaceutical compound is a compound for preventing or treating respiratory disease, a compound used for preventing or treating respiratory disease, or a compound having a preventive or treating effect for Z or respiratory disease. 15 a) The screening kit described in
- a prophylactic / therapeutic agent for a respiratory disease which can be obtained by using the screening method according to (13) or the screening kit according to (15).
- the pharmaceutical compound is a compound for preventing or treating respiratory disease, a compound used for preventing or treating respiratory disease, or a compound having a preventive or therapeutic effect for Z or respiratory disease. 16 a) the compound or a salt thereof,
- a respiratory disease characterized by using a protein containing an amino acid sequence identical or substantially identical to the amino acid sequence represented by SEQ ID NO: 1 or a polynucleotide encoding a partial peptide thereof Screening methods for prophylactic and therapeutic agents,
- the pharmaceutical compound is a compound for the prevention and treatment of respiratory diseases, a compound used for the prevention and treatment of respiratory diseases and a compound having the effect of preventing or treating Z or respiratory diseases.
- a respiratory disease characterized by containing a protein having the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1 or a polynucleotide encoding a partial peptide thereof; Prevention. Kit for
- a pharmaceutical compound characterized by containing a protein having the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1 or a polynucleotide encoding a partial peptide thereof; Screening kit,
- (21) a prophylactic / therapeutic agent for a respiratory disease, which can be obtained by using the screening method described in (18) above or the (20) kit for staring Jung described above.
- the pharmaceutical compound is a compound for preventing or treating respiratory disease, a compound used for preventing or treating respiratory disease and / or a compound having a preventive or therapeutic effect for respiratory disease.
- the pharmaceutical compound is a compound for preventing or treating respiratory disease, a compound used for preventing or treating respiratory disease and / or a compound having a preventive or therapeutic effect for respiratory disease.
- a method for preventing or treating respiratory diseases which comprises administering an effective amount of a compound or a salt thereof that inhibits the expression of the protein gene.
- (25) Contains an amino acid sequence identical or substantially identical to the amino acid sequence represented by SEQ ID NO: 1 for producing a prophylactic or therapeutic agent for respiratory disease
- FIG. 1 is a diagram showing a pressure-volume curve of a mouse extirpated lung obtained in Example 1.
- FIG. 2 is a diagram showing the results of mouse DC-HIL gene expression levels obtained in Example 2.
- A represents the lungs of a mouse exposed to cigarette smoke for 1 month
- B represents the lungs of a control mouse
- C represents the lungs of a mouse exposed to cigarette smoke for 3 months
- D represents the lungs of the control mouse
- E represents the lungs of the mouse.
- F indicates the control mouse lung.
- FIG. 3 is a diagram showing the results of mouse DC-HIL gene expression distribution obtained in Example 3.
- FIG. 4 is a diagram showing a pressure-capacity curve of a mouse extirpated lung obtained in Example 4.
- FIG. 5 is a graph showing the time-dependent change in the compliance value of the mouse extirpated lung obtained after elastase administration obtained in Example 4.
- the horizontal axis shows the number of days after elastase administration
- the vertical axis shows the compliance value.
- FIG. 6 is a graph showing the time-dependent change in the expression level of DC-HIL gene in mouse lung tissue after administration of elastase obtained in Example 4.
- the horizontal axis indicates the number of days after administration of elastase
- the vertical axis indicates the DC-HIL gene expression level.
- a protein containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1 used in the present invention (hereinafter sometimes referred to as the protein of the present invention or the protein used in the present invention) )
- are cells from human warm-blooded animals eg, monoremot, rat, mouse, chicken, egret, pig, sheep, sheep, monkey, monkey, etc.
- the amino acid sequence substantially the same as the amino acid sequence represented by SEQ ID NO: 1 is at least about 50%, preferably at least about 60%, more preferably the amino acid sequence represented by SEQ ID NO: 1. Is an amino acid sequence having a homology of about 70% or more, more preferably about 80% or more, particularly preferably about 90% or more, and most preferably about 95% or more.
- NCBI BLAST National Center for Biotechnology Information Basic Local Alignment Search Tool
- Examples of the protein having an amino acid sequence substantially the same as the amino acid sequence represented by SEQ ID NO: 1 include, for example, an amino acid sequence substantially the same as the amino acid sequence represented by the aforementioned SEQ ID NO: 1 And a protein having substantially the same activity as the protein containing the amino acid sequence represented by SEQ ID NO: 1.
- the protein containing an amino acid sequence substantially identical to the amino acid sequence represented by SEQ ID NO: 1 includes, for example, a protein containing the amino acid sequence represented by SEQ ID NO: 3 and the like.
- substantially equivalent activities include, for example, cell adhesion activity, heparan sulfate proteodarican binding activity, and the like.
- substantially identical indicates that the properties are qualitatively (eg, physiologically or pharmacologically) identical. Therefore, cell adhesion activity, heparan sulfate proteodarican binding activity, etc. are equivalent (for example, approx.
- Cell adhesion activity and heparan sulfate proteoglycan binding activity can be measured by a method known per se, for example, the method described in J. Biol. Chera. 276 (11), 8125-8134, 2001, or a method similar thereto. Can be measured according to
- cell adhesion activity is measured by mixing a fusion protein of the extracellular region of the protein of the present invention with an immunoglobulin Fc region and an endothelial cell, and then recognizing a labeled (eg, enzyme-labeled) Fc region.
- the antibody is reacted, a substrate is added, an enzyme reaction is performed, and the activity is measured. This reaction is performed in an appropriate buffer. Perform cleaning operations as necessary.
- the measurement of the enzyme reaction is performed according to a known method using a microplate reader or the like.
- Examples of the extracellular region of the protein of the present invention include a peptide having the first to third ninth amino acid sequences of the amino acid sequence represented by SEQ ID NO: 1.
- the fusion protein between the extracellular region of the light protein and the immunoglobulin Fc region can be prepared by a known method, for example, the method described in J. Biol. Chem. 276 (11), pp. 8125-8134, 2001, or a modification thereof. It is produced according to a method or the like.
- As the endothelial cells for example, vascular endothelial cells and the like are used.
- the heparan sulfate proteodarican binding activity was determined by reacting a microporous plate immobilized with heparin-BSA and a fusion protein between the extracellular region of the protein of the present invention and the Fc region of immunoglobulin. After reacting with the Fc region-recognizing antibody (eg, enzyme label), adding a substrate, allowing the enzyme reaction to take place, and measuring the activity. This reaction is performed in an appropriate buffer. Perform the washing operation if necessary. The measurement of the enzyme reaction is performed according to a known method using a microplate reader or the like.
- Examples of the extracellular region of the protein of the present invention include a peptide having the first to third ninth amino acid sequences of the amino acid sequence represented by SEQ ID NO: 1.
- the fusion protein between the extracellular region of the protein of the present invention and the immunoglobulin Fc region can be prepared by a known method, for example, the method described in Biol. Chem. 276 (11), pp. 8125-8134, 2001, or It is produced according to a method according to the method.
- Examples of the protein used in the present invention include: (1) 1 or 2 or more in the amino acid sequence represented by SEQ ID NO: 1 (eg, about 1 to 100, preferably 1 to 100) Amino acid sequence [J, 2] in which about 30 amino acids are deleted, preferably about 1 to 1 °, and more preferably about 1 to 5 amino acids. [2] The amino acid sequence represented by SEQ ID NO: 1 One or two or more (for example, 1 to about 100, preferably about 1 to 30, preferably about 1 to 10, more preferably about 1 to 5) amino acids.
- amino acid sequences represented by SEQ ID NO: 1 eg, about 1 to 100, preferably about 1 to 30, preferably about 1 to 10. And more preferably an amino acid sequence in which a number (1 to 5) of amino acids have been inserted, represented by SEQ ID NO: 1. 1 or 2 or more (for example, about 1 to 100, preferably about 1 to 30, preferably about 1 to 10, more preferably about 1 to 5) in the amino acid sequence
- SEQ ID NO: 1 amino acid sequence in which a number (1 to 5) of amino acids have been inserted
- mutein such as a protein containing an amino acid sequence in which the amino acid is replaced with another amino acid, or an amino acid sequence obtained by combining them.
- amino acid sequence represented by SEQ ID NO: 3 (2) 1 or 2 or more in the amino acid sequence represented by SEQ ID NO: 3 (for example, about 1 to 100, preferably about 1 to 30, preferably about 1 to 10,
- amino acid sequence in which a number (1 to 5) of amino acids have been deleted (2) one or two or more amino acids (for example, about 1 to 100 amino acids) in the amino acid sequence represented by SEQ ID NO: 3
- amino acid sequence has about 1 to 30 amino acids, preferably about 1 to 10 amino acids, and more preferably about 1 to 5 amino acids, and 3 the amino acid sequence represented by SEQ ID NO: 3.
- amino acids for example, about 1 to 100, preferably about 1 to 30, preferably about 1 to 10, and more preferably about 1 to 5 amino acids in the amino acid sequence
- amino acid sequence having an acid inserted therein, ⁇ one or more or more amino acids in the amino acid sequence represented by SEQ ID NO: 3 eg, 1 to about 100 Amino acid sequence in which amino acids are substituted with other amino acids, preferably about 1 to 30 amino acids, more preferably about 1 to 10 amino acids, and still more preferably about 1 to 10 amino acids.
- So-called mutins such as proteins having a combined amino acid sequence, are also included.
- the position of the insertion, deletion or substitution is not particularly limited.
- the left end is the N-terminus (amino terminus) and the right end is the C-terminus (carboxyl terminus) in accordance with the convention of peptide labeling.
- the proteins used in the present invention including the protein containing the amino acid sequence represented by SEQ ID NO: 1, have a carboxyl group at the C-terminus (-C00H), a carboxylate (-C0CT), and an amide (_C0NH). 2 ) or ester (-C00R).
- R in the ester e.g., methyl, Echiru, n- propyl, isopropyl
- alkyl groups such as n _-butyl, cyclopentyl, C 3 _ 8 cycloalkyl
- Anore Keno les groups such as cyclohexyl, for example, Hue two Norre, ⁇ 6 _ 12
- Ariru groups such as ⁇ - naphthyl, for example, benzyl, Hue such phenethyl - Le one C _ 2 alkyl or such as single naphthylmethyl ⁇ - Nafuchiru alkyl group of which ⁇ 7 - 1 4
- An aralkyl group, a piperyloxymethyl group and the like are used.
- a protein in which the propyloxyl group is amidated or esterified is also included in the protein used in the present invention. included. Ester in this case For example, the above-mentioned C-terminal ester and the like are used.
- an amino group at the N-terminal amino acid residue (eg, a methionine residue) has a protecting group (eg, an acyl group such as a Cw alkanol such as a formyl group or an acetyl group).
- a protecting group eg, an acyl group such as a Cw alkanol such as a formyl group or an acetyl group.
- N-terminal glutamine residue generated by cleavage in vivo, pyroglutamine oxidation, substituent on the side chain of amino acid in the molecule (for example, -0H, -SH, amino group, Those in which imidazole, indole, guanidino, etc. are protected by a suitable protecting group (for example, Cw alkenyl such as formyl, acetyl, etc.) or sugar
- a suitable protecting group for example, Cw alkenyl such as formyl, acetyl, etc.
- protein used in the present invention include, for example, a protein containing the amino acid sequence represented by SEQ ID NO: 1, a protein containing the amino acid sequence represented by SEQ ID NO: 3, and the like.
- the partial peptide of the protein used in the present invention is the partial peptide of the protein used in the present invention described above, and preferably has the same properties as the protein used in the present invention described above. Any one may be used.
- a peptide having the 30th to 48th amino acid sequence in the amino acid sequence represented by For example, at least 20 or more, preferably 50 or more, more preferably 70 or more, more preferably 100 or more, most preferably 20 or more of the constituent amino acid sequences of the protein used in the present invention.
- Peptides having 0 or more amino acid sequences are used.
- one or more (preferably about 1 to 10 and more preferably (1 to 5)) amino acids in the amino acid sequence are deleted.
- Or 1 or 2 or more (preferably about 1 to 20; more preferably about 1 to 10; and still more preferably, about 1 to 5) amino acids are added to the amino acid sequence.
- the partial peptide used in the present invention may have a carboxyl group (-C00H), carboxylate (-C00-), amide (-C0N) or ester (-C00R) at the C-terminus.
- the partial peptides used in the present invention include those having a carboxyl group (or carboxylate) in addition to the C-terminus, N-terminal amino acid residues (eg, Methionine residue), the amino group of which is protected with a protecting group, the N-terminal side is cleaved in vivo, the glutamine residue is pyroglutamine-oxidized, and the substituent on the side chain of the amino acid in the molecule is Also included are those protected with an appropriate protecting group, and complex peptides such as so-called sugar peptides to which sugar chains are bonded.
- N-terminal amino acid residues eg, Methionine residue
- the partial peptide used in the present invention can also be used as an antigen for producing an antibody.
- salts with physiologically acceptable acids eg, inorganic acids, organic acids
- bases eg, alkali metal salts
- acid addition salts that are chemically acceptable include, for example, salts with inorganic acids (eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid) or organic acids (eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid) Succinic acid, tartaric acid, citric acid, malic acid, oxalic acid, benzoic acid, methanesulfonic acid, benzenesulfonic acid).
- inorganic acids eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid
- organic acids eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid
- Succinic acid tartaric acid, citric acid, malic acid, oxalic acid, benzoic acid, methanesulfonic
- the protein or its partial peptide or its salt used in the present invention can be produced from the above-mentioned human or warm-blooded animal cells or tissues by a known method for purifying a protein, or a D-encoding protein. It can also be produced by culturing a transformant containing NA. It can also be produced according to the peptide synthesis method described below.
- the human or mammalian tissues or cells are homogenized and then extracted with an acid or the like. Purification and isolation can be achieved by combining chromatography such as chromatography and ion exchange chromatography.
- a commercially available resin for protein synthesis can be usually used.
- resins include, for example, chloromethyl resin, hydroxymethyl resin, benzhydrylamine resin, aminomethyl resin, 4-benzyloxybenzyl alcohol resin, 4-methylbenzhydrylamine resin, PAM resin, 4-h Dexoxymethylmethylphenylacetamide methyl resin, polyacrylamide resin, 4- (2 ', 4, dimethoxyphenyl-1-hydroxymethyl) phenoxy resin, 4-(2,, 4, dimethyoxyphenyl F moc Aminoethynole) phenoxy resin and the like.
- amino acids having appropriately protected amino groups and side chain functional groups are condensed on the resin in accordance with the sequence of the target protein according to various condensation methods known per se.
- the protein or partial peptide is cut out from the resin, and at the same time, various protecting groups are removed.
- an intramolecular disulfide bond formation reaction is carried out in a highly diluted solution to obtain the target protein or partial peptide or their peptide. Obtain the amide form.
- the protected amino acid may be added directly to the resin along with a racemization inhibitor additive (eg, HOB t, HOOB t) or may be pre-protected as a symmetric anhydride or HOB t ester or H ⁇ OB t ester.
- the acid can be added to the resin after activation.
- the solvent used for the activation of the protected amino acid or for the condensation with the resin may be appropriately selected from solvents known to be usable for the protein condensation reaction.
- acid amides such as N, N-dimethylformamide, N, N-dimethylacetamide, N-methinoleviridone, halogenated hydrocarbons such as methylene chloride and chloroform, trifluoromethane Alcohols such as ethanol, dimethylsnorreoxide
- ethers such as pyridine, dioxane, and tetrahydrofuran
- nitriles such as acetonitrile and propionitrile
- esters such as methyl acetate and ethyl acetate is used.
- the reaction temperature is appropriately selected from the range known to be usable for the protein bond formation reaction, and is usually selected from the range of about 120 ° C to 50 ° C.
- the activated amino acid derivative is usually used in a 1.5 to 4-fold excess.
- Examples of the protecting group for the amino group of the starting material include, for example, Z, Boc, t-pentyloxycarbonyl, isobornyl-carbonyl, 4-methoxybenzyloxyxanolebonyl, CI—Z, Br—Z, and adamantyl
- Z Z
- Boc t-pentyloxycarbonyl
- isobornyl-carbonyl 4-methoxybenzyloxyxanolebonyl
- CI—Z Br—Z
- adamantyl xyloxycarbonyl, trifluora-cetinole, phthaloynole, honoleminole, 2-nitrotropeno-noresnolefeninole, dipheninole phosphinochioil, Fmoc and the like are used.
- the carboxyl group may be, for example, alkyl esterified (for example, methyl, ethyl, propynole, petitinole, t-butynole, cyclopentinole, cyclohexylene, cycloheptyl, cyclooctyl, 2-adamantyl, etc.
- alkyl esterified for example, methyl, ethyl, propynole, petitinole, t-butynole, cyclopentinole, cyclohexylene, cycloheptyl, cyclooctyl, 2-adamantyl, etc.
- cyclic benzoquinone ester aranoquinolester ester (for example, benzyl ester, 4-butoxybenzyleneesterol, 4-methoxybenzylesterenole, 4-chlorobenzinoester ester) , Benzhydryl esterification), phenacyl esterification, benzyloxycarbonyl hydrazide, t-butoxycarbonyl hydrazide, trityl hydrazide and the like.
- aranoquinolester ester for example, benzyl ester, 4-butoxybenzyleneesterol, 4-methoxybenzylesterenole, 4-chlorobenzinoester ester
- Benzhydryl esterification phenacyl esterification
- benzyloxycarbonyl hydrazide benzyloxycarbonyl hydrazide
- t-butoxycarbonyl hydrazide trityl hydrazide and the like.
- the hydroxyl group of serine can be protected, for example, by esterification or etherification.
- a group suitable for the esterification for example, a group derived from carbonic acid such as a lower (such as an acetyl group, an aroyl group such as a alkanoyl group or a benzoyl group), a benzyloxycarbonyl group, or an ethoxycarbonyl group is used.
- groups suitable for etherification include, for example, benzyl group, And a vinyl group and a t-butyl group.
- the protecting group of the phenolic hydroxyl group of tyrosine for example, B z 1, C 1 2 - B zl, 2- two Torobenjiru, B r- Z, such as t _ butyl is used.
- Examples of the protecting group for imidazole of histidine include Tos, 4-methoxy-1,2,3,6-trimethylbenzenesulfonyl, DNP, benzyloxymethyl, Bum, Boc, Trt, and Fmoc. .
- Examples of the activated product of the carbonyl group of the raw material include, for example, the corresponding acid anhydride, azide, and active ester [alcohol (eg, pentachlorophenol, 2,4,5-trichlorophenol, 2,4-dinitrophenol) Phenol, cyanomethyl alcohol, p-nitrotropenol, HONB, N-hydroxysuccinimide, N-hydroxyphthalimid, ester with HOB t).
- alcohol eg, pentachlorophenol, 2,4,5-trichlorophenol, 2,4-dinitrophenol
- Phenol cyanomethyl alcohol
- p-nitrotropenol HONB
- N-hydroxysuccinimide N-hydroxyphthalimid
- ester with HOB t ester with HOB t
- Methods for removing (eliminating) the protecting group include, for example, catalytic reduction in a hydrogen stream in the presence of a catalyst such as Pd-black or Pd_carbon, or hydrogen fluoride anhydride or methanesulfonic acid.
- a catalyst such as Pd-black or Pd_carbon
- Acid treatment with trifluoromethanesulfonic acid, trifluoroacetic acid or a mixture thereof, base treatment with diisopropylethylamine, triethylamine, piperidine, piperazine, etc., and sodium in liquid ammonium Reduction is also used.
- the elimination reaction by the above acid treatment is generally carried out at a temperature of about 120 ° C. to 40 ° C.
- anisol, phenol, thioanisole, methacrylone, and thiol are used. It is effective to add a force-thione scavenger such as ratarezonole, dimethinoresolefide, 1,4-butanedithiol, or 1,2-ethanedithiol.
- a force-thione scavenger such as ratarezonole, dimethinoresolefide, 1,4-butanedithiol, or 1,2-ethanedithiol.
- the 2,4-dinitrophenyl group used as an imidazole protecting group of histidine is removed by thiophenol treatment
- the formyl group used as an indole protecting group of tryptophan is 1,2-ethanedithiol and 1,4-butanedithiol described above.
- alkali treatment with dilute sodium hydroxide solution, dilute ammonia, etc.
- Protection and protection of functional groups that should not be involved in the reaction of raw materials, and their protection Elimination of a group, activation of a functional group involved in the reaction, and the like can be appropriately selected from known groups or known means.
- an amide form of a protein or a partial peptide for example, first, after amidating and protecting the ⁇ -carboxyl group of the carboxy terminal amino acid, a peptide (protein) chain is added on the amino group side to a desired chain. After extending the length, the protein or partial peptide from which only the ⁇ -amino protecting group at the ⁇ -terminal of the peptide chain has been removed and the protein or partial peptide from which only the protecting group at the C-terminal carboxyl group has been removed Are produced and these proteins or peptides are condensed in a mixed solvent as described above. Details of the condensation reaction are the same as described above.
- the crude protein or peptide can be purified using various known purification means, and the main fraction can be lyophilized to obtain the desired protein or peptide amide.
- an ester of a protein or peptide for example, after condensing the ⁇ -carboxyl group of the carboxy-terminal amino acid with a desired alcohol to form an amino acid ester, the desired protein is prepared in the same manner as in the amide of a protein or peptide. It is possible to obtain an ester of quality or a peptide.
- the partial peptide or a salt thereof used in the present invention can be produced according to a known peptide synthesis method, or by cleaving the protein used in the present invention with an appropriate peptide.
- a method for synthesizing a peptide for example, any of a solid phase synthesis method and a liquid phase synthesis method may be used. That is, a partial peptide or an amino acid capable of constituting the partial peptide used in the present invention is condensed with the remaining portion, and when the product has a protecting group, the protecting group is eliminated to produce the desired peptide. can do.
- Examples of the known condensation method and elimination of the protecting group include the methods described in the following 1 to 5.
- the partial peptide used in the present invention can be purified and isolated by a combination of ordinary purification methods such as solvent extraction, distillation, column chromatography, liquid chromatography, and recrystallization.
- the partial peptide obtained by the above method is a free form, it can be converted to an appropriate salt by a known method or a method analogous thereto, and conversely, when it is obtained as a salt, a known method Alternatively, it can be converted to a free form or another salt by a method analogous thereto.
- the polynucleotide encoding the protein used in the present invention may be any polynucleotide containing the above-described nucleotide sequence encoding the protein used in the present invention.
- it is DNA.
- the DNA may be any of a genomic DNA, a genomic DNA library, the above-mentioned cell DNA-derived cDNA, the above-described cells / tissue-derived cDNA library, and a vector used for a library which may be any of synthetic DNA. May be any of pacteriophage, plasmid, cosmid, phagemid and the like.
- amplification can be carried out directly by reverse transcriptase polymerase chain reaction (hereinafter abbreviated as RT-PCR method) using a total RNA or mRNA fraction prepared from the above-mentioned cell'tissue. it can.
- RT-PCR method reverse transcriptase polymerase chain reaction
- the DNA encoding the protein used in the present invention includes, for example, a DNA containing the base sequence represented by SEQ ID NO: 2 or the base sequence represented by SEQ ID NO: 2 and a highly stringent condition. Contains a base sequence that hybridizes underneath
- Any DNA can be used as long as it encodes a protein having substantially the same properties as the protein having the amino acid sequence represented by SEQ ID NO: 1.
- the DNA that can be soyed is, for example, about 50% or more, preferably about 60% or more, more preferably about 70% or more, and more preferably about 80% with the base sequence represented by SEQ ID NO: 2.
- DNA containing a nucleotide sequence having a homologous production of about 90% or more, most preferably about 95% or more, is particularly preferably used.
- a DNA containing the base sequence represented by SEQ ID NO: 4 and the like can be mentioned.
- NCBI BLAST National Center for Biotechnology Information Basic Local Alignment search Tool
- Hybridization can be carried out according to a method known per se or a method analogous thereto, for example, the method described in Molecular Cloning 2nd U-Sambrook et al., And Old Spring Harbor Lab. Press, 1989). .
- the method can be performed according to the method described in the attached instruction manual. More preferably, it can be carried out under high stringent conditions.
- Highly stringent conditions include, for example, a sodium concentration of about 19 to 40 mM, preferably about 19 to 20 mM, and a temperature of about 50 to 70 ° C, preferably about 60 to 100 ° C.
- the condition of ⁇ 65 ° C is shown.
- the case where the sodium concentration is about 9 mM and the temperature is about 65 ° C. is most preferable.
- the DNA encoding the protein containing the amino acid sequence represented by SEQ ID NO: 1 includes, for example, DNA containing the base sequence represented by SEQ ID NO: 2, and the like.
- the DNA encoding the protein containing the amino acid sequence represented by 3 a DNA containing the base sequence represented by SEQ ID NO: 4 or the like is used.
- the polynucleotide (eg, DNA) encoding the partial peptide used in the present invention may be any polynucleotide containing the above-described nucleotide sequence encoding the partial peptide used in the present invention.
- it may be any of genomic DNA, genomic DNA library, cDNA derived from the above-described cells and tissues, cDNA library derived from the above-described cells and tissues, and synthetic DNA.
- Examples of the DNA encoding the partial peptide used in the present invention include a DNA containing a part of the DNA containing the base sequence represented by SEQ ID NO: 2, and a DNA containing a part of the base sequence represented by SEQ ID NO: 2.
- DNAs containing a base sequence that hybridizes under high stringency conditions and containing a part of a DNA encoding a protein having substantially the same activity as the protein of the present invention are used.
- the DNA hybridizable with the nucleotide sequence represented by SEQ ID NO: 2 has the same significance as described above.
- Cloning may be performed by amplifying by PCR using a synthetic DNA primer containing a part of the nucleotide sequence encoding the protein of the present invention, or by incorporating DNA incorporated in an appropriate vector.
- the protein of the present invention can be selected by hybridization with a DNA fragment that codes for a part or all of the region or labeled with a synthetic DNA. Hybridization can be performed, for example, according to the method described in Molecular Cloning 2nd (J. Sambrook et al., Cold Spring Harbor Lab. Press, 1989). When a commercially available library is used, the procedure can be performed according to the method described in the attached instruction manual.
- the DNA base sequence can be converted using PCR, a known kit, for example, Mutan TM -Super Express Km (Takara Shuzo Co., Ltd.), Mutan TM -K (Takara Shuzo Co., Ltd.), etc., using the 0DA-LA PCR method.
- the method can be carried out according to a method known per se, such as the gapped duplex method or the Kunkel method, or a method analogous thereto.
- the DNA encoding the cloned protein can be used as it is depending on the purpose, or it can be used after digesting with a restriction enzyme or adding a linker, if desired.
- the DNA has ATG as a translation initiation codon at the 5 'end and TAA, TGA or TAG as a translation stop codon at the 3' end. It may be.
- These translation initiation codons and translation termination codons can be added to a suitable synthetic DNA adapter;
- Examples of the expression vector for the protein of the present invention include (a) cutting out a DNA fragment of interest from DNA encoding the protein of the present invention, and (mouth) connecting the DNA fragment downstream of a promoter in an appropriate expression vector. It can be manufactured by
- Escherichia coli-derived plasmids eg, pBR322, pBR325, pUC12, pUC13
- Bacillus subtilis-derived plasmids eg, pUB110, pTP5, p C1944
- yeast-derived plasmids eg, pSH19, pSH15
- Batateliophage such as ⁇ phage
- animal viruses such as retrovirus, vaccinia virus, noculovirus, etc.
- the promoter used in the present invention may be any promoter as long as it is appropriate for the host used for gene expression.
- SRa promoter when animal cells are used as host, SRa promoter, SV40 promoter, LTR motor, CMV promoter, HSV-TK promoter and the like are listed.
- CMV (cytomegalovirus) promoter CMV (cytomegalovirus) promoter
- SR ⁇ promoter It is preferable to use such as.
- the host is Eshierihia genus bacterium, trp promoter, 1 ac promoter, re cA promoter, P L promoter, l.
- the host is Ru der Bacillus, S PO
- yeast such as l promoter, SP02 promoter, pen P promoter, etc., PHO5 promoter, PGK promoter, GAP promoter, ADH promoter and the like are preferable.
- the host is an insect cell, a polyhedrin promoter, a P10 promoter and the like are preferable.
- the expression vector may contain, in addition to the above, an enhancer, a splicing signal, a poly-A addition signal, a selection marker, an SV40 replication origin (hereinafter sometimes abbreviated as SV40 ori), if desired. Anything can be used.
- dhfr And sometimes abbreviated dihydrofolate reductase (hereinafter, dhfr And sometimes abbreviated) gene [methotrexate (MTX) resistance], phosphorus resistant gene (hereinafter sometimes abbreviated as Amp r), neomycin resistant gene (hereinafter sometimes abbreviated as Ne o r, G4 18 resistance).
- MTX metalhotrexate
- Amp r phosphorus resistant gene
- Ne omycin resistant gene hereinafter sometimes abbreviated as Ne o r, G4 18 resistance
- the target gene can be selected using a thymidine-free medium.
- a signal / re sequence suitable for the host is added to the N-terminal side of the protein of the present invention.
- the host is a genus Escherichia, PhoA signal sequence, OmpA signal sequence, etc.
- the host is a Bacillus genus, the human amylase signal sequence, subtilisin signal sequence, etc.
- the MFa signal sequence, SUC2 signal sequence, etc. and when the host is an animal cell, the insulin signal sequence, ⁇ -interferon signal sequence, antibody molecule, signal sequence, etc. Available.
- a transformant can be produced.
- Escherichia bacteria for example, Escherichia bacteria, Bacillus bacteria, yeast, insect cells, insects, animal cells, and the like are used.
- Escherichia bacteria examples include, for example, Escheric hia coli K12-DH1 [Proc. Natl. Acad. Sci. USA, 60, 160 (1968)], JM103 [Nucleic Acids] Research, Vol. 9, 309 (1981)], JA221 (Journal of Molecular Biology, 120, 517 (1978)), HB101 (Journal of Molecular Biology, 41, 459 (1969)), C6 00 [Genetics, 39, 440 (1954)].
- Bacillus spp. include, for example, Bacillus subtilis MI 114 (Gene, 24, 255 (1983)), 207—21 [Journal of Biochemistry, 95, 87 (1984)], and the like. Is used.
- yeast examples include Saccharomyces cerevisiae (Saccharomyces cerevisiae) AH22, AH22R—, NA87-11A, DKD—5D, 20B—12, Schizosaccharomyces pombe NCYC 193 3, NCYC2036, Pichia pastoris KM71 and the like are used.
- Insect cells include, for example, when the virus is AcNPV, a cell line derived from a larva of night moth (Spodoptera frugiperda cell; Sf cell), MG1 cell derived from S in Trichoplusia ni, Trichoplusia ni Egg-derived High Five TM cells, Mamestra b rassicae-derived cells or Estigmena acrea-derived cells.
- Sf cell a silkworm-derived cell line (Bombyx mori N cell; BmN cell) or the like is used.
- S f cells for example, S f 9 cells (ATCC CRL1711), S f 21 cells (Vaughn, J.L., et al., In Vivo, 13, 213-217, (1977)) and the like are used.
- insects for example, silkworm larvae are used [Maeda et al., Nature, Vol. 315, 592 (1985)].
- animal cells examples include monkey cell COS-7, Vero, Chinese hamster cell CHO (hereinafter abbreviated as CHO cell), dhfr gene-deficient Chinese hamster cell CHO (hereinafter abbreviated as CHO (dhfr-) cell), Mouse L cells, mouse AtT-20, mouse myeloma cells, mouse ATDC 5 cells, rat GH3, and human FL cells are used.
- CHO cell Chinese hamster cell CHO
- dhfr gene-deficient Chinese hamster cell CHO hereinafter abbreviated as CHO (dhfr-) cell
- Mouse L cells mouse AtT-20, mouse myeloma cells, mouse ATDC 5 cells, rat GH3, and human FL cells are used.
- Transformation of a bacterium of the genus Batinoles can be performed, for example, according to the method described in Molecular & General Genetics, 168, 111 (1979).
- the yeast can be transformed according to the method described in, for example, Methods in Enzymology, Vol. 194, 182-187 (1991), Proc. Natl. Acad. Sci. USA, Vol. 75, 1929 (1978). Can be.
- Insect cells or insects can be transformed, for example, according to the method described in Bio / Technology, 6, 47-55 (1988).
- Transformation of animal cells can be performed, for example, by the method described in Cell Engineering Separate Volume 8 New Cell Engineering Experimental Protocol. 263-267 (1995) (published by Shujunsha), Virology, Vol. 52, 456 (1973). It can be done according to the law.
- a liquid medium is suitable as a medium used for the culturing, and a carbon medium necessary for the growth of the transformant is contained therein.
- carbon sources include glucose, dextrin, soluble starch, and sucrose.
- nitrogen sources include ammonium salts, nitrates, corn chip liquor, peptone, casein, meat extract, soybean meal, potato extract, and the like.
- examples of the inorganic or organic substance and the inorganic substance include calcium chloride, sodium dihydrogen phosphate, and magnesium chloride.
- yeast extract, vitamins, growth promoting factors, etc. may be added.
- the pH of the medium is preferably about 5-8.
- a culture medium for culturing Escherichia spp. For example, glucose, casamino acid plum M 9 [Miller, Journal of Experiments in Molecular Genetics, 431-433, Cold Spring Harbor Laboratory, New York 1972] S preferred! / ⁇ .
- a drug such as 3j3_indolinacrylic acid can be added in order to make the promoter work efficiently if necessary.
- the cultivation is usually carried out at about 15 to 43 ° C for about 3 to 24 hours, and if necessary, aeration and stirring can be applied.
- the cultivation is usually carried out at about 30 to 40 ° C for about 6 to 24 hours.
- the medium When culturing a transformant in which the host is yeast, for example, the medium may be Burkholder's minimal medium (Bostian, KL et al., Proc. Natl. Acad. Sci. USA, Vol. 7, 4505 (1) 98 0)] or SD medium containing 0.5% casamino acid [Bitter, GA et al., Proc. Natl. Acad. Sci. USA, 81, 5330 (1984)].
- the pH of the medium is adjusted to about 5-8.
- the cultivation is usually performed at about 20 ° C. to 35 ° C. for about 24 to 72 hours, and aeration and stirring are added as necessary.
- the culture medium When culturing a transformant in which the host is an insect cell or an insect, the culture medium was immobilized in Grace's Insect Medium (Grace, TCC, Nature), 195, 788 (1962)) A solution to which an additive such as 10% serum or the like is appropriately added is used.
- the pH of the medium is preferably adjusted to about 6.2 to 6.4. Culture is usually performed at about 27 ° C for about 3 to 5 days, and if necessary, aeration and agitation are added.
- the medium When culturing a transformant in which the host is an animal cell, the medium may be, for example, a MEM medium containing about 5 to 20% fetal bovine serum [Science, 122 vol., 501 (1952)], a DMEM medium [Virology , 8 volumes, 396 (1959)), RPMI 1640 medium (The Journal of the American Medical Association 199, 519 (1967)), 19 9 medium (Proceeding of the Society for the Biological Medicine, 73 volumes) , 1 (1950)].
- the pH is about 6-8. Culture is usually performed at about 30 to 40 ° C for 15 to 60 hours, and aeration and stirring are added as necessary.
- the protein of the present invention can be produced in the cells, in the cell membrane, or outside the cells of the transformant.
- the protein of the present invention can be separated and purified from the above culture by, for example, the following method.
- the cells or cells are collected by a known method after culturing, suspended in an appropriate buffer, and sonicated.
- the buffer may contain a protein denaturing agent such as urea or guanidine hydrochloride, or a surfactant such as Triton X-100 TM.
- a protein denaturing agent such as urea or guanidine hydrochloride
- a surfactant such as Triton X-100 TM.
- the protein contained in the culture supernatant or extract obtained in this manner can be purified by appropriately combining known separation and purification methods.
- known separation and purification methods include methods using solubility such as salting out and solvent precipitation, dialysis, ultrafiltration, gel filtration, and SDS-polyacrylamide gel electrophoresis.
- Hydrophobic A method using the difference in gender, a method using the difference in isoelectric point such as isoelectric focusing, and the like are used.
- the protein thus obtained when obtained in a free form, it can be converted to a salt by a method known per se or a method analogous thereto, and conversely, if the protein is obtained in a salt form, it is known per se. It can be converted to the free form or other salts by the method or a method analogous thereto.
- the protein produced by the recombinant can be arbitrarily modified or the polypeptide can be partially removed by the action of an appropriate protein-modifying enzyme before or after purification.
- an appropriate protein-modifying enzyme for example, trypsin, chymotrypsin, arginyl'endopeptidase, protein kinase, glycosidase and the like are used.
- the presence of the protein of the present invention thus produced can be measured by enzymatic immunoassay western blotting using a specific antibody.
- the antibody against the protein or partial peptide or a salt thereof used in the present invention may be any of a polyclonal antibody and a monoclonal antibody as long as it can recognize the protein or partial peptide or a salt thereof used in the present invention. A little.
- An antibody against the protein or partial peptide used in the present invention or a salt thereof (hereinafter sometimes simply referred to as the protein of the present invention in the description of the antibody) uses the protein of the present invention as an antigen, It can be produced according to a known antibody or antiserum production method.
- the protein of the present invention is administered to a warm-blooded animal at a site capable of producing an antibody upon administration by itself or together with a carrier or diluent.
- Complete Freund's adjuvant or incomplete Freund's adjuvant may be administered in order to enhance the antibody-producing ability upon administration.
- the administration is usually performed once every 2 to 6 weeks, for a total of about 2 to 10 times.
- warm-blooded animals that can be used include monkeys, egrets, dogs, guinea pigs, and mice. , Rats, sheep, goats, and chickens, but mice and rats are preferably used.
- a warm-blooded animal immunized with an antigen for example, an individual with an antibody titer is selected from a mouse, and the spleen or lymph node is collected 2 to 5 days after the final immunization and included in them.
- an individual with an antibody titer is selected from a mouse, and the spleen or lymph node is collected 2 to 5 days after the final immunization and included in them.
- a monoclonal antibody-producing hybridoma can be prepared.
- the antibody titer in the antiserum can be measured, for example, by reacting a labeled protein described below with the antiserum, and then measuring the activity of the labeling agent bound to the antibody.
- the fusion operation can be performed according to a known method, for example, the method of Koehler and Milstein [Nature, 256, 495 (1975)].
- the fusion promoter include polyethylene glycol (PEG) and Sendai virus, but PEG is preferably used.
- PEG polyethylene glycol
- myeloma cells include myeloma cells of warm-blooded animals such as NS-1, P3U1, and SP2 / 0AP-1. P3U1 is preferably used.
- the preferred ratio between the number of antibody-producing cells (spleen cells) and the number of myeloma cells used is about 1: 1 to 20: 1, and PEG (preferably PEG1000 to PEG6000) is used at a concentration of about 10 to 80%.
- Efficient cell fusion can be carried out by incubating at 20 to 40 ° C, preferably 30 to 37 ° C for 1 to 10 minutes with the addition force P.
- Various methods can be used to screen monoclonal antibody-producing hybridomas.
- the hybridoma culture supernatant is added to a solid phase (eg, a microplate) on which protein antigens are adsorbed directly or together with a carrier.
- Anti-immunoglobulin antibody anti-mouse immunoglobulin antibody is used if the cell used for cell fusion is mouse or protein A, and monoclonal antibody bound to the solid phase is added to the antibody.
- hybridoma culture supernatant is added to a solid phase to which an anti-immunoglobulin antibody or protein A is adsorbed, and a protein labeled with a radioactive substance or an enzyme is added.
- Examples include a method for detecting a clonal antibody.
- the selection of the monoclonal antibody can be performed according to a method known per se or a method analogous thereto.
- Normal HAT hypoxanthine, aminopterin, thymidine
- any medium can be used as long as it can grow a hybridoma.
- RPMI 164 medium containing 1 to 20%, preferably 10 to 20% fetal bovine serum, GIT medium containing 1 to 10% fetal bovine serum (Wako Pure Chemical Industries, Ltd. )
- GIT medium containing 1 to 10% fetal bovine serum (Wako Pure Chemical Industries, Ltd. )
- SFM-101 Nissui Pharmaceutical Co., Ltd.
- the culture temperature is usually from 20 to 40 ° C, preferably about 37 ° C.
- the culturing time is usually 5 days to 3 weeks, preferably 1 week to 2 weeks. Cultivation can usually be performed under 5% CO2.
- the antibody titer of the hybridoma culture supernatant can be measured in the same manner as the measurement of the antibody titer in the antiserum described above.
- Monoclonal antibodies can be separated and purified by methods known per se, for example, immunoglobulin separation and purification methods (eg, salting out method, alcohol precipitation method, isoelectric point precipitation method, electrophoresis method, ion exchanger (eg, DEAE)) Absorption / desorption method, ultracentrifugation method, gel filtration method, antigen binding Solid phase or specific purification method of collecting antibody only with an active adsorbent such as protein A or protein G and dissociating the bond to obtain the antibody) You can do it.
- immunoglobulin separation and purification methods eg, salting out method, alcohol precipitation method, isoelectric point precipitation method, electrophoresis method, ion exchanger (eg, DEAE)
- Absorption / desorption method eg, ultracentrifugation method, gel filtration method, antigen binding Solid phase or specific purification method of collecting antibody only with an active adsorbent such as protein A or protein G and dissociating the bond to obtain the antibody
- the polyclonal antibody of the present invention can be produced according to a method known per se or a method analogous thereto. For example, an immune antigen (protein antigen) itself or a complex thereof with a carrier protein is formed, and immunization is performed on a warm-blooded animal in the same manner as in the above-described method for producing a monoclonal antibody. It can be produced by collecting an antibody-containing substance against a protein and separating and purifying the antibody.
- the mixing ratio of carrier protein and carrier to hapten depends on the hapten immunized by cross-linking the carrier. Any antibody may be cross-linked at any ratio as long as the antibody can be efficiently produced.For example, ⁇ serum albumin ⁇ ⁇ cysteine oral globulin, hemocyanin, etc. are converted to hapten 1 by weight ratio. On the other hand, A method of coupling at a rate of about 0.1 to 20 and preferably about 1 to 5 is used. In addition, various condensing agents can be used for force coupling between the hapten and the carrier.
- an active ester reagent containing a daltalaldehyde carbodiimide, a maleimide active ester, a thiol group, or a dithioviridyl group is used.
- the condensation product is administered to a warm-blooded animal itself or together with a carrier or diluent at a site where antibody production is possible.
- Complete Freund's adjuvant / incomplete Freund's adjuvant may be administered in order to enhance the antibody-producing ability upon administration. The administration is usually performed once every about 2 to 6 weeks, for a total of about 3 to 10 times.
- the polyclonal antibody can be collected from the blood, ascites, etc., preferably from the blood, of the warm-blooded animal immunized by the above method.
- the measurement of the polyclonal antibody titer in the antiserum can be performed in the same manner as the measurement of the antibody titer in the antiserum described above.
- the separation and purification of the polyclonal antibody can be performed according to the same method for separation and purification of immunoglobulin as in the above-described separation and purification of the monoclonal antibody.
- Polynucleotide encoding the protein or partial peptide used in the present invention eg, DNA (hereinafter, in the description of antisense polynucleotides, these DNAs may be abbreviated as DNA of the present invention)
- the antisense polynucleotide having a nucleotide sequence complementary to or substantially complementary to the nucleotide sequence of SEQ ID NO: 1 or a portion thereof is complementary to or substantially complementary to the nucleotide sequence of the DNA of the present invention.
- Any antisense polynucleotide may be used as long as it has a basic sequence or a part thereof and has an action capable of suppressing the expression of the DNA, but antisense DNA is preferable.
- the nucleotide sequence substantially complementary to the DNA of the present invention is, for example, a nucleotide sequence complementary to the DNA of the present invention (that is, the complementary strand of the DNA of the present invention) as a whole nucleotide sequence or a partial nucleotide sequence thereof.
- the nucleotide sequence of the portion encoding the N-terminal portion of the protein of the present invention for example, The base sequence near the start codon
- An antisense polynucleotide having a homology of about 70% or more, preferably about 80% or more, more preferably about 90% or more, and most preferably about 95% or more, with (mouth) RNase H In the case of an antisense polynucleotide which directs RNA degradation, it is preferably at least about 70%, preferably at least about 80%, more preferably at least about 90% with the complementary strand of the entire nucleotide sequence of the DNA of the present invention including introns.
- antisense polynucleotides having a homology of about 95% or more are preferred.
- Antisense polynucleotide containing a basic or substantially complementary nucleotide sequence or a part thereof preferably, for example, a nucleotide sequence complementary to the nucleotide sequence of DNA containing the nucleotide sequence represented by SEQ ID NO: 2
- Antisense polynucleotide containing a base sequence or a part thereof (more preferably, an antisense polynucleotide containing a base sequence complementary to a base sequence of DNA containing a base sequence represented by SEQ ID NO: 2 or a part thereof) Nucleotides)
- an antisense polynucleotide containing a nucleotide sequence complementary to or substantially complementary to the nucleotide sequence of the DNA containing the nucleotide sequence represented by SEQ ID NO: 2 an antisense polynucleotide containing a nucleotide sequence complementary
- the antisense polynucleotide is usually composed of about 10 to 40 bases, preferably about 15 to 30 bases.
- the phosphate residues (phosphates) of each nucleotide constituting the antisense DNA are, for example, chemically modified phosphate residues such as phosphorothioate, methylphosphonate, and phosphorodithionate. May be substituted.
- the bran (deoxyribose) of each nucleotide may be substituted with a chemically modified sugar structure such as 2'-0-methylation, and the base (pyrimidine, purine) may also be chemically modified. May be the array number No .: Any one that hybridizes to DNA having the nucleotide sequence represented by 2 may be used.
- These antisense polynucleotides can be produced using a known DNA synthesizer or the like.
- an antisense polynucleotide capable of inhibiting the replication or expression of the gene of the protein of the present invention is designed and synthesized based on the nucleotide sequence information of the DNA encoding the cloned or determined protein. sell.
- Such nucleotides can hybridize with the RNA of the protein gene of the present invention, inhibit the synthesis or function of the RNA, or interact with the protein-related RNA of the present invention via the interaction.
- the expression of the protein gene of the present invention can be regulated.
- Polynucleotides complementary to the selected sequence of the protein-related RNA of the present invention can be used in vivo and in vitro to produce the protein gene of the present invention. It is useful for regulating and controlling the expression of, and is also useful for treating or diagnosing diseases and the like.
- the term "corresponding" means having homology or being complementary to a particular sequence of nucleotides, base sequences or nucleic acids, including genes.
- nucleotide, nucleotide sequence or nucleic acid and a peptide (protein) refers to a peptide (protein) specified by a sequence derived from the nucleotide (nucleic acid) sequence or its complement. Usually refers to amino acids. 5 'end hairpin loop of protein gene, 5' end 6—base pair 'repeat, 5' end untranslated region, polypeptide translation initiation codon, protein coding region, ⁇ RF translation stop codon, 3 'end untranslated region, 3
- the terminal palindrome region and the three-terminal hairpin loop may be selected as preferred regions of interest, but any region within the protein gene may be selected.
- the relationship between the target nucleic acid and a polynucleotide complementary to at least a part of the target region can be said to be that the relationship between the target nucleic acid and the polynucleotide that can hybridize with the target is “antisense”.
- Antisense polynucleotides may be polynucleotides containing 2-dexoxy D-ribose, polynucleotides containing D-ribose, other types of polynucleotides that are N-daricosides of purine or pyrimidine bases, or non-nucleotides.
- nucleotide backbone has a nucleotide backbone
- Other polymers for example, commercially available nucleic acid polymers specific to protein nucleic acids or synthetic sequences) or other polymers containing specific bonds (such as those found in DNA or RNA) (Including nucleotides having a configuration that allows base pairing and base attachment)). They can be double-stranded DNA, single-stranded DNA, double-stranded RNA, single-stranded RNA, and even DNA: RNA hybrids, as well as unmodified polynucleotides (or unmodified oligonucleotides).
- Modified intramolecular nucleotides such as uncharged bonds (eg, methylphosphonate, phosphotriester
- Phosphoramidates those having a charged or sulfur-containing bond (eg, phosphorothioate, phosphorodithioate, etc.), such as proteins (nucleases, nucleases, inhibitors) , Toxins, antibodies, signal peptides, poly-L-lysine, etc.) and sugars (for example, monosaccharides), etc., or those having side groups such as interforce compounds (for example, atharidin, psoralen).
- proteins nucleases, nucleases, inhibitors
- Toxins proteins
- antibodies for example, signal peptides, poly-L-lysine, etc.
- sugars for example, monosaccharides
- side groups such as interforce compounds (for example, atharidin, psoralen).
- nucleoside may include not only those containing purine and pyrimidine bases but also those having other modified heterocyclic bases. Such modifications may include methylated purines and pyrimidines, acylated purines and pyrimidines, or other heterocycles.
- Modified nucleotides and modified nucleotides may also be modified at the sugar moiety, e.g., where one or more hydroxyl groups have been replaced with halogens, aliphatic groups, etc., or ethers, amines, etc. It may have been converted to a functional group.
- the antisense polynucleotide of the present invention is RNA, DNA, or a modified nucleic acid (RNA, DNA).
- modified nucleic acids include sulfuric acid derivatives of nucleic acids ⁇ thiophosphate derivatives, and polynucleoside amides ⁇ oligonucleotides. Examples include, but are not limited to, those that are resistant to degradation of nucleoside amides.
- the antisense nucleic acid of the present invention can be preferably designed in the following manner.
- the antisense nucleic acids of the present invention may contain altered or modified sugars, bases, or bonds, may be provided in special forms such as ribosomes or microspheres, may be applied by gene therapy, It can be provided in a mashed form.
- additional forms include polycations, such as polylysine, which act to neutralize the charge on the phosphate backbone, and lipids, which enhance interaction with cell membranes or increase nucleic acid uptake.
- polycations such as polylysine, which act to neutralize the charge on the phosphate backbone
- lipids which enhance interaction with cell membranes or increase nucleic acid uptake.
- hydrophobic substances such as phospholipid and cholesterol
- Preferred lipids for addition include cholesterol and its derivatives (eg, cholesteryl chloroformate, cholic acid, etc.).
- Such a substance can be attached to the 3 'end or 5' end of a nucleic acid, and can be attached via a base, sugar, or intramolecular nucleoside bond.
- Other groups include cap groups specifically located at the 3 'or 5' end of nucleic acids that prevent degradation by nucleases such as exonucleases and RNases. .
- capping groups include, but are not limited to, hydroxyl-protecting groups known in the art, such as glycols such as polyethylene glycol and tetraethylene glycol.
- the inhibitory activity of the antisense nucleic acid can be examined using the transformant of the present invention, the in vivo or in vitro gene expression system of the present invention, or the in vivo or in vitro translation system of the protein of the present invention.
- the nucleic acid can be applied to cells by various methods known per se.
- the protein or partial peptide of the present invention or a salt thereof (hereinafter, sometimes abbreviated as the protein of the present invention), a polynucleotide encoding the protein or partial peptide of the present invention (eg, DNA ( Hereinafter, it may be abbreviated as the DNA of the present invention))), an antibody against the protein or partial peptide of the present invention or a salt thereof (hereinafter, may be abbreviated as the antibody of the present invention), and the DNA of the present invention.
- DNA DNA
- an antibody against the protein or partial peptide of the present invention or a salt thereof hereinafter, may be abbreviated as the antibody of the present invention
- the use of antisense polynucleotides (hereinafter sometimes abbreviated as antisense polynucleotides of the present invention) will be described.
- the expression of the protein of the present invention is increased in the lung having emphysema lesions, it can be used as a disease management tool. That is, it is useful as a marker for early diagnosis of lungs, determination of severity of symptoms, and prediction of disease progression.
- the antisense polynucleotide of the present invention a compound that inhibits the activity of the protein of the present invention or a salt thereof, a compound that inhibits the expression of the protein gene of the present invention or a salt thereof, or a drug containing the antibody of the present invention
- respiratory diseases eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, sac, moon-femoral disease, irritable pneumonia, pulmonary fibrosis, etc.
- Rhinitis eg, allergic rhinitis, hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry proprietary rhinitis, vasomotor rhinitis, gangrene rhinitis, sinusitis, etc.
- immune diseases Eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, Siedalen syndrome, insulin resistance diabetes, rheumatoid arthritis, systemic lupus erythematosus, atopic skin Flame, leukocyte abnormalities, were or splenic dysfunction such as immunodeficiency associated thymic abnormality
- it can be safely used inflammatory bowel disease, as allergic conjunctivitis of any prophylactic or therapeutic agent.
- compounds or salts thereof that regulate (preferably inhibit) the activity of the protein of the present invention include, for example, respiratory diseases [eg, chronic obstructive pulmonary disease] (Chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.), rhinitis (eg., chronic obstructive pulmonary disease] (Chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.), rhinitis (eg., chronic obstructive pulmonary disease] (Chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.), rhinitis (eg., chronic
- Rhinitis hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, Dry rhinitis, vasomotor rhinitis, gangrenous rhinitis, sinusitis, etc.
- immune diseases eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, Cedaren syndrome, insulin resistance diabetes, chronic It can be used as a prophylactic / therapeutic agent for rheumatoid arthritis, systemic lupus erythematosus, atopic dermatitis, leukocyte abnormalities, immunodeficiency due to spleen dysfunction or thymic abnormalities), inflammatory bowel disease, allergic conjunctivitis, etc.
- immune diseases eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, Cedaren syndrome, insulin resistance diabetes, chronic It can be used as a prophylactic / therapeutic
- it is a prophylactic / therapeutic agent for a respiratory disease or the like, more preferably a prophylactic / therapeutic agent for a chronic obstructive pulmonary disease or the like, and further preferably a prophylactic / therapeutic agent for a pulmonary emphysema or the like.
- the protein of the present invention is useful as a reagent for screening a compound or a salt thereof that regulates (preferably inhibits) the activity of the protein of the present invention.
- the present invention regulates (promotes or inhibits) (promotes or inhibits) the activity (eg, cell adhesion activity, heparan sulfate proteodarican binding activity, etc.) of the protein of the present invention characterized by using the protein of the present invention.
- the present invention provides a method for screening a compound or a salt thereof that inhibits the inhibition.
- cell adhesion activity or heparan sulfate proteoglitin binding activity can be determined by a method known per se, for example, J. Biol. Chem. 276 (11) Volume, pages 8125-8134, 2001, etc. or a method analogous thereto, and compare.
- a fusion protein of the extracellular region of the protein of the present invention with the immunoglobulin Fc region and endothelial cells are mixed, and then a labeled (eg, enzyme-labeled) Fc region-recognizing antibody is reacted.
- a labeled (eg, enzyme-labeled) Fc region-recognizing antibody is reacted.
- mixing the fusion protein of the extracellular region of the protein of the present invention with the immunoglobulin Fc region and endothelial cells in the presence of the test compound. After that, a labeled (eg, enzyme-labeled) Fc region-recognizing antibody is reacted, a substrate is added, and the enzyme reaction is performed.
- a compound or a salt thereof that regulates (promotes or inhibits) the activity of the protein of the present invention is screened.
- This reaction is performed in an appropriate buffer. Perform the washing operation if necessary.
- the measurement of the enzyme reaction is performed according to a known method using a microplate reader or the like.
- a microplate on which heparin-BSA was immobilized, and a fusion protein of the extracellular region of the protein of the present invention and the Fc region of the immunoglobulin were reacted, and then labeled ( Example: Enzyme label) Reaction with Fc region-recognizing antibody, addition of substrate, and enzyme reaction.
- Examples of the extracellular region of the protein of the present invention include a peptide having the 1st to 319th sequence of the amino acid sequence represented by SEQ ID NO: 1.
- the fusion protein of the extracellular region of the protein of the present invention and the immunoglobulin Fc region can be prepared by a known method, for example, a method described in J. Biol. Chem. 276 (11), Vol. 8125-8134, 2001. Alternatively, it is manufactured according to a method equivalent thereto.
- As the endothelial cells for example, vascular endothelial cells and the like are used.
- the above-mentioned protein of the present invention those produced by culturing cells having the ability to produce the protein of the present invention and the like are used.
- a host transformed with a vector containing the above-described DNA encoding the protein of the present invention is used.
- animal cells such as COS7 cells, CHO cells, and HEK293 cells are preferably used.
- a transformant in which the protein of the present invention is expressed on a cell membrane by culturing by the method described above is preferably used.
- Test compounds include, for example, peptides, proteins, non-peptidic compounds, synthetic compounds, fermentation products, cell extracts, plant extracts, animal tissue extracts, and the like.
- the cell adhesion activity or heparan sulfate proteoglycan binding activity in the case of the above (ii) is about 20% or more, preferably 30% or more, more preferably about 50% or more as compared with the case of the above (i).
- the test compound which promotes and increases the activity of the protein of the present invention is a compound which promotes the activity of the protein of the present invention by at least the cell adhesion activity or heparan sulfate proteodarican binding activity in the case of the above (ii).
- a test compound that reduces the activity of the protein of the present invention by about 20% or more, preferably 30% or more, more preferably about 50% or more, can be selected as the compound that inhibits the activity of the protein of the present invention.
- the compound having the activity of promoting the activity of the protein of the present invention is useful as a safe and low-toxic drug for enhancing the action of the protein of the present invention.
- the compound having an activity of inhibiting the activity of the protein of the present invention is a safe and low toxic drug for suppressing the physiological activity of the protein of the present invention, for example, respiratory diseases [eg, chronic obstructive pulmonary disease (chronic) Bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.), rhinitis (eg, allergic rhinitis, pollinosis, acute rhinitis, chronic rhinitis, thickening) Rhinitis, atrophic rhinitis, dry rhinitis, vasomotor rhinitis, gangrene rhinitis, sinusitis, etc., immune disorders (eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, siedalen syndrome, Insulin-resistant diabetes, chronic rheumatoid arthritis, systemic lupus
- Compounds or salts thereof obtained using the screening method or screening kit of the present invention include, for example, peptides, proteins, non-peptidic compounds, synthetic compounds, fermentation products, cell extracts, plant extracts, animal tissue extracts And compounds selected from plasma and the like.
- the salt of the compound those similar to the aforementioned salts of the peptide of the present invention are used.
- the gene encoding the protein of the present invention is also used in a lung group having emphysema lesions. Since the expression is increased in tissues, compounds or salts thereof that regulate (preferably inhibit) the expression of the gene encoding the protein of the present invention include, for example, respiratory diseases [eg, chronic obstructive pulmonary disease (chronic bronchitis, Emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.), rhinitis (eg, allergic rhinitis, hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, Atrophic rhinitis, dry rhinitis, vasomotor rhinitis, gangrenous rhinitis, sinusitis, etc., immune disorders (eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, siedalen syndrome
- it is a prophylactic / therapeutic agent for a respiratory disease or the like, more preferably a prophylactic / therapeutic agent for a chronic obstructive pulmonary disease or the like, and further preferably a prophylactic / therapeutic agent for a pulmonary emphysema or the like.
- the polynucleotide (eg, DNA) of the present invention is useful as a reagent for screening a compound or a salt thereof that regulates (preferably, inhibits) the expression of a gene encoding the protein of the present invention.
- the screening method includes (iii) culturing cells capable of producing the protein of the present invention, and (iv) culturing cells capable of producing the protein used in the present invention in the presence of the test compound. There is a screening method characterized by performing comparison with the case.
- the expression level of the gene (specifically, the amount of the protein of the present invention or the amount of mRNA encoding the protein) in the cases (iii) and (iv) is measured and compared.
- test compound and cells having the ability to produce the protein of the present invention include the same cells as described above.
- the amount of the protein is measured by a known method, for example, using an antibody that recognizes the protein of the present invention, and analyzing the protein present in a cell extract or the like by Western analysis.
- the amount of mRNA which can be measured according to a method such as ELISA, or a method analogous thereto, can be measured by a known method, for example, as a probe using SEQ ID NO: 2 or Is a Northern hybridization using a nucleic acid containing a part thereof, or a Northern hybridization using a nucleic acid containing SEQ ID NO: 2 or a part thereof as a primer, or a nucleic acid containing a SEQ ID NO: 4 or a part thereof as a primer It can be measured according to PCR or a method analogous thereto using a nucleic acid containing SEQ ID NO: 4 or a part thereof as a primer or a primer.
- a test compound that promotes the expression of the gene encoding the protein of the present invention a test compound that inhibits about 20% or more, preferably 30% or more, more preferably about 50% or more, with the protein of the present invention. It can be selected as a compound that suppresses the expression of the encoded gene.
- the screening kit of the present invention contains a protein or a partial peptide used in the present invention or a salt thereof, or a cell capable of producing the protein or partial peptide used in the present invention.
- Compounds or salts thereof obtained by using the screening method or the screening kit of the present invention include the test compounds described above, for example, peptides, proteins, non-peptide compounds, synthetic compounds, fermentation products, cell extracts, and plants.
- salt of the compound those similar to the aforementioned salts of the protein of the present invention are used.
- a compound or a salt thereof which regulates (preferably inhibits) the activity of the protein of the present invention and a compound or a salt thereof which regulates (preferably inhibits) the expression of a gene encoding the protein of the present invention are, for example, respiratory diseases [ Eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.), rhinitis (eg, allergic rhinitis, pollen) Disease, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry proprietary rhinitis, vasomotor rhinitis, pangulous rhinitis, sinusitis, etc.), immune diseases (eg, myasthenia gravis, glomerulonephritis) , Multiple Sclerosis, Shiwedaren syndrome, insulin resistant
- it is a prophylactic / therapeutic agent for a respiratory disease or the like, more preferably a prophylactic / therapeutic agent for a chronic obstructive pulmonary disease or the like, and further preferably a prophylactic / therapeutic agent for a pulmonary emphysema or the like.
- the compound or a salt thereof obtained by using the screening method or the screening kit of the present invention is used as the above-mentioned prophylactic / therapeutic agent, it can be formulated according to a conventional method.
- compositions for oral administration include solid or liquid dosage forms, specifically tablets (including bran-coated tablets and film-coated tablets), pills, granules, powders, capsules (soft capsules) ), Syrups, emulsions, suspensions and the like.
- a powerful composition is produced by a method known per se and contains a carrier, diluent or excipient commonly used in the pharmaceutical field. For example, lactose, starch, sucrose, magnesium stearate and the like are used as carriers and excipients for tablets.
- compositions for parenteral administration for example, injections, suppositories, etc. are used.
- Injections are intravenous, subcutaneous, intradermal, intramuscular, intravenous, intraarticular. Dosage forms such as agents.
- Such injections are prepared according to a method known per se, for example, by dissolving, suspending or emulsifying the antibody or a salt thereof in a sterile aqueous or oily liquid commonly used for injections.
- aqueous liquids for injection for example, physiological saline, isotonic solution containing glucose and other adjuvants and the like are used, and suitable solubilizing agents, for example, alcohol (eg, ethanol), polyalcohol (eg, It may be used in combination with propylene glycol, polyethylene glycol), a nonionic surfactant [eg, polysorbate 80, HCO-50 (polyoxyethylene (50 mol) adduct of hydrogenated castor oil)], and the like.
- the oily liquid for example, sesame oil, soybean oil and the like are used, and benzyl benzoate, benzyl alcohol and the like may be used in combination as a solubilizer.
- the prepared injection solution is usually filled in a suitable ampoule.
- the suppository used for rectal administration is the above antibody or a salt thereof in a usual manner. It is prepared by mixing with a suppository base.
- each dosage unit dosage form is 5 to 500 mg, especially for injections. It is preferred that 5 to 10 Omg, and other dosage forms contain 10 to 25 Omg of the above compound.
- compositions may contain another active ingredient as long as the composition does not cause an undesirable interaction with the above compound.
- the preparations obtained in this way are safe and have low toxicity, for example, in humans or warm-blooded animals (e.g. mice, rats, puppies, sheep, pigs, puppies, puppies, birds, cats, dogs, monkeys). , Chimpanzees, etc.) orally or parenterally.
- warm-blooded animals e.g. mice, rats, puppies, sheep, pigs, puppies, puppies, birds, cats, dogs, monkeys.
- Chimpanzees, etc. orally or parenterally.
- the dose of the compound or a salt thereof varies depending on its action, target disease, subject to be administered, route of administration, and the like.
- a compound that regulates the activity of the protein of the present invention for the purpose of treating emphysema Oral administration of the salt or its salts is generally
- the compound or a salt thereof is administered in about 0.1 to 100 g, preferably about 1.0 to 50 mg, more preferably about 1.0 to 20 mg per day.
- the single dose of the compound or a salt thereof varies depending on the administration subject, target disease, etc., for example, modulates the activity of the protein of the present invention for the treatment of emphysema.
- the compound or a salt thereof is about 0.01 to 30 mg, preferably about 0.1 to! 20 mg per day.
- about 0.1 to 1 Om.g is administered by intravenous injection. In the case of other animals, the dose can be administered in terms of weight per 60 kg.
- an antibody against the protein of the present invention (hereinafter sometimes abbreviated as the antibody of the present invention)
- the present invention provides a method for quantifying the protein of the present invention in a test solution, wherein one of the antibodies is an antibody that recognizes the N-terminal of the protein of the present invention, and the other is It is desirable that the antibody reacts with the C-terminal of the protein of the present invention.
- the protein of the present invention can be quantified and detected by tissue staining or the like. You can also.
- the antibody molecule itself may be used, or the F (ab ') 2 , Fab', or Fab fraction of the antibody molecule may be used.
- the method for quantifying the protein of the present invention using the antibody of the present invention is not particularly limited, and may be an antibody, antigen or antibody corresponding to the amount of antigen (eg, the amount of protein) in the test solution. Any method that detects the amount of one antigen complex by chemical or physical means and calculates this from a standard curve prepared using a standard solution containing a known amount of antigen, You may. For example, it is particularly preferable to use the sandwich method described later in terms of sensitivity and specificity in which nephrometry, a competitive method, an immunometric method, and a sandwich method are suitably used.
- a labeling agent used in a measurement method using a labeling substance for example, a radioisotope, an enzyme, a fluorescent substance, a luminescent substance and the like are used.
- the radioisotope for example, [ 1251 ], [ mI ], [], [ 14C ] and the like are used.
- the above enzyme a stable enzyme having a large specific activity is preferable.
- 3-galactosidase, / 3-g For example, lucosidase, alkaline phosphatase, peroxidase, and malate dehydrogenase are used.
- the fluorescent substance for example, fluorescamine, fluorescein isothiosinate and the like are used.
- the luminescent substance for example, luminol, luminol derivative, luciferin, lucigenin and the like are used.
- a biotin-avidin system can be used for binding the antibody or antigen to the labeling agent.
- the carrier include insoluble polysaccharides such as agarose, dextran, and cellulose; synthetic resins such as polystyrene, polyacrylamide, and silicon; and glass.
- the test solution is reacted with the insolubilized monoclonal antibody of the present invention (primary reaction), and further reacted with another labeled monoclonal antibody of the present invention (secondary reaction).
- primary reaction the insolubilized monoclonal antibody of the present invention
- secondary reaction another labeled monoclonal antibody of the present invention
- the primary reaction and the secondary reaction may be performed in the reverse order, may be performed simultaneously, or may be performed at staggered times.
- the labeling agent and the method of insolubilization can be in accordance with those described above.
- the antibody used for the solid phase antibody or the labeling antibody does not necessarily need to be one kind, and a mixture of two or more kinds of antibodies is used for the purpose of improving measurement sensitivity and the like. May be used.
- the monoclonal antibody of the present invention used in the primary reaction and the secondary reaction is preferably an antibody having a different binding site to the protein of the present invention. That is, for example, when the antibody used in the primary reaction and the secondary reaction recognizes the C-terminal of the protein of the present invention, the antibody used in the primary reaction is Preferably, an antibody that recognizes other than the C-terminal, for example, the N-terminal, is used.
- the monoclonal antibody of the present invention can be used in a measurement system other than the sandwich method, for example, a competition method, an immunometric method, or a nephrometry.
- a competition method after the antigen in the test solution and the labeled antigen are allowed to react competitively with the antibody, the unreacted labeled antigen (F) is separated from the labeled antigen (B) bound to the antibody.
- B / F separation Measure the amount of labeling for either B or F, and quantify the amount of antigen in the test solution.
- a soluble antibody is used as an antibody
- BZF separation is carried out using a polyethylene glycol
- a ⁇ phased antibody is used as the first antibody
- An immobilization method using a soluble first antibody and an immobilized antibody as the second antibody is used.
- nephelometry the amount of insoluble sediment resulting from an antigen-antibody reaction in a gel or in a solution is measured. Even when the amount of antigen in the test solution is small and only a small amount of sediment is obtained, laser nephrometry utilizing laser scattering is preferably used.
- the protein measurement system of the present invention may be constructed by adding ordinary technical considerations to those skilled in the art to the ordinary conditions and procedures in each method. For details of these general technical means, reference can be made to reviews and written documents.
- the protein of the present invention can be quantified with high sensitivity by using the antibody of the present invention.
- respiratory diseases eg, chronic obstruction
- Pulmonary diseases chronic bronchitis, emphysema
- diffuse panbronchiolitis bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.
- rhinitis eg, arenolegotic rhinitis, pollinosis, acute
- Rhinitis eg, arenolegotic rhinitis, pollinosis, acute
- Rhinitis eg, arenolegotic rhinitis, pollinosis, acute
- Rhinitis eg, arenolegotic rhinitis, pollinosis, acute
- Rhinitis eg, arenolegotic rhinitis, pollinosis, acute
- Rhinitis eg, arenolegotic rhinitis, pollinosis, acute
- Rhinitis eg, arenolegotic rhinitis, pollinosis
- the antibody of the present invention can be used for detecting the protein of the present invention present in a subject such as a body fluid or a tissue.
- a subject such as a body fluid or a tissue.
- detecting the protein of the present invention in each fraction during purification, and analyzing the behavior of the protein of the present invention in test cells, etc. Can be used.
- the DNA of this effort can be used, for example, by using it as a probe in humans or warm-blooded animals (eg, rats, mice, guinea pigs, egrets, birds, higgins, pigs, horses, cats, cats, dogs, DNA or mRNA that encodes the protein of the present invention or its partial peptide in monkeys, chimpanzees and the like (gene abnormalities) can be detected. Damage, Mutations are useful as genetic diagnostics such as decreased expression, increased DNA or mRNA, or overexpression.
- warm-blooded animals eg, rats, mice, guinea pigs, egrets, birds, higgins, pigs, horses, cats, cats, dogs, DNA or mRNA that encodes the protein of the present invention or its partial peptide in monkeys, chimpanzees and the like (gene abnormalities) can be detected. Damage, Mutations are useful as genetic diagnostics such as decreased expression, increased DNA or mRNA, or overexpression.
- the above-described genetic diagnosis using the DNA of the present invention can be performed, for example, by the known Northern hybridization ⁇ PCR-SSCP method (Genomics, Vol. 5, pp. 874-879 (1989, Proceedings of the National Academy of Sciences or the United States of America, Vol. 86, pp. 2766-2770 (1989)). For example, when overexpression or decrease is detected by Northern hybridization, or by PCR-SSCP method.
- DNA mutations are detected, for example, respiratory disease [eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia , Pulmonary fibrosis, etc.), rhinitis (eg, allergic rhinitis, hay fever, acute rhinitis, 'chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry anterior rhinitis, vasomotor rhinitis, gangrenous Inflammation, sinusitis, etc., immune disorders (eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, siedalen syndrome, insulin resistant diabetes mellitus, rheumatoid arthritis, whole body disease erythematoides, atopic dermatitis , Leukocyte abnormalities, splenic dysfunction or immunodefici
- the antisense polynucleotide of the present invention which can complementarily bind to the DNA of the present invention and suppress the expression of the DNA, has low toxicity, and functions of the protein of the present invention or the DNA of the present invention in vivo (for example, cell adhesion activity or heparan sulfate proteodalican binding activity) can be suppressed, for example, respiratory diseases [eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), diffuse panbronchiolitis, Bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.), rhinitis (e.g., allergic rhinitis, hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry anterior rhinitis, blood vessels Motor rhinitis, gangrenous rhinitis, sinusitis, etc.
- it is a prophylactic / therapeutic agent for a respiratory disease or the like, more preferably a prophylactic / therapeutic agent for a chronic obstructive pulmonary disease or the like, and further preferably a prophylactic / therapeutic agent for a pulmonary emphysema or the like.
- the antisense polynucleotide When used as the above-mentioned prophylactic or therapeutic agent, it can be formulated and administered according to a method known per se.
- a human or mammal after inserting the above-mentioned antisense polynucleotide alone or into an appropriate vector such as a retrovirus vector, an adenovirus vector, an adenovirus associated virus vector, or the like, a human or mammal can be used in a conventional manner. It can be administered orally or parenterally (eg, to rats, puppies, sheep, sheep, puta, puppies, cats, dogs, monkeys, etc.).
- the antisense polynucleotide can be administered as it is or in the form of a formulation together with a physiologically acceptable carrier such as an adjuvant for promoting uptake, and administered by a gene gun or a catheter such as a hydrogel catheter. Alternatively, they can be aerosolized and administered topically into the trachea as an inhalant.
- the antisense polynucleotide is formulated alone or together with a carrier such as ribosome (injection), and is used for intravenous, subcutaneous, and respiratory tract administration. It may be administered to a lung lesion.
- a carrier such as ribosome (injection)
- the dose of the antisense polynucleotide varies depending on the target disease, the subject of administration, the route of administration, and the like.
- the antisense polynucleotide of the present invention when administered for the treatment of emphysema, generally the dose is (Body weight: 6 O kg), the antisense polynucleotide is administered in an amount of about 0.1 to 100 mg per day.
- a part of the RNA encoding the protein of the present invention is administered.
- a ribozyme containing a part of the RNA encoding the protein of the present invention can also suppress the expression of the gene of the present invention.
- respiratory diseases eg, chronic obstructive pulmonary disease (chronic bronchitis, pulmonary Tumor), diffuse panbronchiolitis, bronchial asthma, cyst Dysfibrosis, irritable pneumonia, pulmonary fibrosis, etc.
- rhinitis eg, allergic rhinitis, hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry pronasitis, vasomotor rhinitis, Gangrenous rhinitis, sinusitis, etc.
- immune disorders eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, sidalen syndrome, insulin resistance diabetes, rheumatoid arthritis, systemic lupus erythematosus, atopic skin It can be used as a prophylactic / therapeutic agent for inflammation, leukin, chronic obstructive pulmonary disease (chronic bronchi
- it is a prophylactic / therapeutic agent for respiratory diseases, etc., more preferably, a prophylactic / therapeutic agent for chronic obstructive pulmonary disease, etc., and even more preferably, a prophylactic / therapeutic agent for emphysema.
- the double-stranded RNA can be designed and manufactured based on the sequence of the polynucleotide of the present invention according to a known method (eg, Nature, 411, 494, 2001).
- Ribozymes can be designed and manufactured based on the sequence of the polynucleotide of the present invention according to a known method (eg, TRENDS in Molecular Medicine, Vol. 7, p. 221, 2001). For example, it can be produced by linking a known ribozyme to a part of RNA encoding the protein of the present invention.
- a part of the RNA encoding the protein of the present invention includes a portion (RNA fragment) close to the cleavage site on the RNA of the present invention which can be cleaved by a known ribozyme.
- RNA or ribozyme When the above-mentioned double-stranded RNA or ribozyme is used as the above-mentioned prophylactic / therapeutic agent, it can be formulated and administered in the same manner as the antisense polynucleotide.
- Antibodies of the present invention having the activity of neutralizing the activity of the protein of the present invention include, for example, respiratory diseases [eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, Cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.), rhinitis (eg, allergic rhinitis, hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry prorhinitis, vasomotor Rhinitis, gangrene rhinitis, sinusitis, etc., immune diseases (eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, siedalen syndrome, insulin resistance diabetes, rheumatoid arthritis, systemic lupus erythematosus, atopic skin Flame, white blood It can be
- it is a prophylactic / therapeutic agent for a respiratory disease or the like, more preferably a prophylactic / therapeutic agent for a chronic obstructive pulmonary disease or the like, and further preferably a prophylactic / therapeutic agent for a pulmonary emphysema or the like.
- the antibodies of the present invention can be administered by themselves or as a suitable pharmaceutical composition.
- the pharmaceutical composition used for the administration contains the antibody or a salt thereof and a pharmacologically acceptable carrier, diluent or excipient.
- Such compositions are provided in dosage forms suitable for oral or parenteral administration.
- compositions for oral administration include solid or liquid dosage forms, specifically tablets (including sugar-coated tablets and film-coated tablets), pills, granules, powders, capsules (soft capsules and the like). ), Syrups, emulsions, suspensions and the like.
- Powerful compositions are prepared by known methods and contain carriers, diluents or excipients commonly used in the pharmaceutical field. For example, as a carrier or excipient for tablets, lactose, starch, sucrose, magnesium stearate and the like are used.
- compositions for parenteral administration for example, injections, suppositories, etc. are used.
- Injections are in the form of intravenous injections, subcutaneous injections, intradermal injections, intramuscular injections, drip injections, etc. Is included.
- Such injections are prepared according to known methods, for example, by dissolving, suspending or emulsifying the antibody or a salt thereof in a sterile aqueous or oily liquid commonly used for injections.
- aqueous solution for injection for example, physiological saline, isotonic solution containing glucose and other adjuvants and the like are used, and appropriate solubilizing agents, for example, alcohol (eg, ethanol), polyalcohol (eg, Propylene glycol, polyethylene dalicol), nonionic surfactants (eg, polysorbate 80, HC150, polyoxyethyene (50 mol) adduct of hydrogenated castor oil), etc. ,.
- alcohol eg, ethanol
- polyalcohol eg, Propylene glycol, polyethylene dalicol
- nonionic surfactants eg, polysorbate 80, HC150, polyoxyethyene (50 mol) adduct of hydrogenated castor oil
- oily liquid for example, sesame oil, soybean oil, and the like are used, and benzyl benzoate, benzyl alcohol, or the like may be used in combination as a solubilizer.
- a suppository for rectal administration is prepared by mixing the above antibody or a salt thereof with a usual suppository base.
- the above-mentioned oral or parenteral pharmaceutical compositions are conveniently prepared in dosage unit forms to be compatible with the dosage of the active ingredient. Examples of such dosage unit dosage forms include tablets, pills, capsules, injections (ampoules), suppositories, etc., and usually 5 to 500 mg per dosage unit dosage form, especially for injections.
- the antibody contains 5 to 10 Omg, and 10 to 25 Omg of the above antibody in other dosage forms.
- compositions may contain other active ingredients as long as the composition does not cause an undesirable interaction with the above-mentioned antibody.
- the prophylactic / therapeutic agent for the above-mentioned diseases containing the antibody of the present invention has low toxicity, and is used as it is as a liquid or as a pharmaceutical composition of an appropriate dosage form, in humans or mammals (eg, rats, egrets, sheep, etc.). It can be administered orally or parenterally (eg, intravenously) to pigs, pigs, cats, cats, dogs, monkeys, etc.). The dosage varies depending on the administration subject, target disease, symptoms, administration route, and the like.For example, when used for the treatment or prevention of pulmonary emphysema in adults, the antibody of the present invention is usually administered in a single dose.
- 0.01 to 20 mg / kg body weight preferably about 0.1 to 10 mg / kg body weight, more preferably about 0.1 to 5 mg / kg body weight, about 1 to 5 times a day, preferably 1 to 5 times a day It is convenient to administer as an injection about three times. In the case of other parenteral administration and oral administration, an equivalent dose can be administered. If the symptoms are particularly severe, the dose may be increased accordingly.
- the antibody of the present invention can be used, for example, for respiratory diseases [eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, Pulmonary fibrosis etc.), rhinitis (eg, allergic rhinitis, hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry proctitis, vasomotor rhinitis, gangrene rhinitis, sinusitis, etc.) , Immune diseases (eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, Juvenile syndrome, insulin resistance diabetes, rheumatoid arthritis, systemic erythematoids, atopic dermatitis, leukocyte abnormalities, It is also useful as a diagnostic agent for s
- the “conjugate having an action of regulating heparan sulfate proteodarican binding activity” may be any compound as long as it has a function of regulating heparan sulfate proteodarican binding activity. Examples thereof include respiratory diseases.
- rhinitis eg, allergic Rhinitis, hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry pronasitis, vasomotor rhinitis, syringitis, sinusitis, etc.
- immune diseases eg, myasthenia gravis, Glomerulonephritis, multiple sclerosis, siedalen syndrome, insulin resistance diabetes, rheumatoid arthritis, lupus erythematosus, atopic dermatitis, leukocyte abnormalities, spleen dysfunction or Such as glands abnormally accompanied immunodeficiency
- inflammatory bowel disease as a prophylococcus
- it is a prophylactic / therapeutic agent for respiratory diseases, etc., more preferably, a prophylactic / therapeutic agent for chronic obstructive pulmonary disease, etc., and further preferably, a prophylactic / therapeutic agent such as emphysema.
- the prophylactic / therapeutic agent is produced in the same manner as described above.
- the present invention has a DNA encoding the exogenous protein of the present invention (hereinafter abbreviated as the exogenous DNA of the present invention) or a mutant DNA thereof (sometimes abbreviated as the exogenous mutant DNA of the present invention).
- the exogenous DNA of the present invention or a mutant DNA thereof (sometimes abbreviated as the exogenous mutant DNA of the present invention).
- a non-human mammal is provided.
- Non-human mammals having the exogenous DNA of the present invention or the mutant DNA thereof include unfertilized eggs, fertilized eggs, spermatozoa, For germ cells including progenitor cells, preferably at the stage of embryo development in non-human mammal development (more preferably at the stage of single cells or fertilized egg cells and generally before the 8-cell stage), Calcium phosphate method, electric pulse method, Lvov: n-ction method
- the exogenous DNA of the present invention can be transferred to somatic cells, organs of living organisms, tissue cells, and the like, and used for cell culture, tissue culture, and the like.
- the DNA-transferred animal of the present invention can also be produced by fusing the cells with the above-described germ cells by a cell fusion method known per se.
- a cell fusion method known per se.
- porcupine, pig, sheep, goat, goat, egret, dog, cat, guinea pig, hamster, mouse, rat and the like are used.
- mice for example, pure strains such as C57BLZ6 strain, DBA2 strain, etc.
- a B6C3F strain a strain, a BSD SFi strain, a BALB / c strain, an ICR strain, etc.
- a rat eg, Wistar, SD, etc.
- Examples of the “mammal” in the recombinant vector that can be expressed in mammals include humans in addition to the above-mentioned non-human mammals.
- the exogenous DNA of the present invention refers to the DNA of the present invention once isolated and extracted from a mammal, not the DNA of the present invention originally possessed by a non-human mammal.
- mutant DNA of the present invention those having a mutation (for example, mutation) in the base sequence of the original DNA of the present invention, specifically, base addition, deletion, substitution with another base, etc.
- the generated DNA is used, and also includes abnormal DNA.
- the abnormal DNA means a DNA that expresses an abnormal protein of the present invention, and for example, a DNA that expresses a protein that suppresses the function of the normal protein of the present invention is used.
- the exogenous DNA of the present invention may be derived from a mammal that is the same or different from the animal of interest.
- a DNA linked to a downstream of a promoter capable of expressing the DNA in animal cells is used. It is generally advantageous to use it as an A construct.
- various mammals having the DNA of the present invention having high homology to the DNA eg, egret, dog, cat, guinea pig, hamster, rat, mouse, etc.
- the DNA construct eg, vector, etc.
- a DNA-transferred mammal that highly expresses the DNA of the present invention can be created.
- Examples of the expression vector of the protein of the present invention include plasmids derived from Escherichia coli, plasmids derived from Bacillus subtilis, plasmids derived from yeast, bacterium phage such as ⁇ phage, retrovirus such as Moroni leukemia virus, vaccinia winnowles or baculo. Animal viruses such as viruses are used. Among them, a plasmid derived from Escherichia coli, a plasmid derived from Bacillus subtilis, or a plasmid derived from yeast are preferably used.
- promoters that regulate the above-mentioned DNA expression include: (1) a promoter of DNA derived from a virus (eg, simian virus, cytomegalovirus, Moroni monoleukemia virus, JC ⁇ Inores, breast cancer virus, poliovirus, etc.); Promoters from various mammals (human, egret, dog, cat, guinea pig, hamster, rat, mouse, etc.), for example, albumin, insulin II, peroplacin II, elastase, erythropoietin, endothelin, muscle creatine kinase, glial Fibrous acidic protein, glutathione S-transferase, platelet-derived growth factor) 3, keratin Kl, 10 ⁇ 1:14, collagen type I and type II, cyclic AMP-dependent protein kinase I subunit, dystrophy Tartrate-resistant alkaline phosphatase, atrial sodium diuretic factor, endothelial receptor
- the vector preferably has a sequence that terminates the transcription of the messenger RNA of interest in the DNA-transferred mammal (generally called terminator).
- terminator A sequence can be used, and preferably, SV40 terminator of Simian virus or the like is used.
- the splicing signal of each DNA, the enhancer region, a part of the intron of eukaryotic DNA, etc. are used to further express the target exogenous DNA at 5, 5, upstream of the promoter region, between the promoter region and the translation region, or translation. Connection to the 3 'downstream of the region is also possible depending on the purpose.
- the normal translation region of the protein of the present invention may be a human or various mammals (eg, egrets, dogs, cats, guinea pigs, hamsters, rats, mice, etc.) derived from monkeys, kidneys, thyroid cells, fibroblasts Source DNA and all or part of genomic DNA from various commercially available genomic DNA libraries, or complementary DNA prepared by known methods from liver, kidney, thyroid cells, and fibroblast-derived RNA You can do it.
- the exogenous abnormal DNA can produce a translation region obtained by mutating the translation region of a normal protein obtained from the above cells or tissues by point mutagenesis.
- the translation region can be prepared as a DNA construct that can be expressed in a transgenic animal by a conventional DNA engineering technique in which the translation region is ligated downstream of the above promoter and, if desired, upstream of the transcription termination site.
- Transfer of the exogenous DNA of the present invention at the fertilized egg cell stage is ensured to be present in all germinal and somatic cells of the target mammal.
- Production after DNA transfer The presence of the exogenous DNA of the present invention in the germ cell of the product means that all the progeny of the produced animal will retain the exogenous DNA of the present invention in all of the germ cells and somatic cells .
- the offspring of such animals that have inherited the exogenous DNA of the present invention have the exogenous DNA of the present invention in all of their germ cells and somatic cells.
- the non-human mammal to which the exogenous normal DNA of the present invention has been transferred is confirmed to stably maintain exogenous DNA by mating, and should be subcultured as an animal having the DNA in a normal breeding environment. Can be done.
- Transfer of the exogenous DNA of the present invention at the fertilized egg cell stage is ensured to be present in excess in all germinal and somatic cells of the target mammal.
- Excessive presence of the exogenous DNA of the present invention in the germinal cells of the produced animal after DNA transfer indicates that all of the offspring of the produced animal contain the exogenous DNA of the present invention in all of its germ cells and somatic cells. Means to have.
- the progeny of this type of animal that inherited the exogenous DNA of the present invention obtained a homozygous animal having an exogenous DNA of the present invention in all of its germ cells and somatic cells in which the introduced DNA is present in both homologous chromosomes. However, by crossing the male and female animals, it is possible to breed and passage so that all offspring have the DNA in excess.
- the normal DNA of the present invention is highly expressed, and the function of the protein of the present invention is ultimately promoted by promoting the function of endogenous normal DNA. It can develop hypertension and can be used as a model animal for the disease. For example, using the normal DNA-transferred animal of the present invention, it is possible to elucidate the pathological mechanism of the hyperactivity of the protein of the present invention and diseases associated with the protein of the present invention, and to examine a method for treating these diseases. It is possible.
- a preventive / therapeutic agent for a disease associated with the protein of the present invention for example, a respiratory disease [E.g., chronic obstructive pulmonary disease (pulmonary bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.], rhinitis (e.g., allergic rhinitis) , Hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry pronasitis, vasomotor rhinitis, gangrene rhinitis, sinuses Inflammation), immune disorders (eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, Siegren's
- a respiratory disease E.g., chronic obstructive pulmonary disease (pulmonary bronchitis, emphysema),
- a non-human mammal having the foreign abnormal DNA of the present invention can be subcultured in a normal breeding environment as an animal having the DNA after confirming that the foreign DNA is stably maintained by mating. I can do it. Furthermore, the desired foreign DNA can be incorporated into the above-mentioned plasmid and used as a raw material.
- the DNA construct with the promoter can be prepared by a usual DNA engineering technique. The transfer of the abnormal DNA of the present invention at the fertilized egg cell stage is ensured to be present in all germ cells and somatic cells of the target mammal.
- the presence of the abnormal DNA of the present invention in the germinal cells of the animal produced after the transfer of the DNA means that all the offspring of the animal produced have the abnormal DNA of the present invention in all of the embryonic and somatic cells.
- the progeny of this type of animal that has inherited the exogenous DNA of the present invention has the abnormal DNA of the present invention in all of its germinal and somatic cells.
- a homozygous animal having the introduced DNA on both homologous chromosomes is obtained, and by crossing these male and female animals, all offspring can be bred to have the DNA.
- the abnormal DNA of the present invention is highly expressed, and the function of the protein of the present invention is ultimately reduced by inhibiting the function of endogenous normal DNA.
- Inactive refractory disease may occur and can be used as a model animal for the disease.
- using the abnormal DNA-transferred animal of the present invention it is possible to elucidate the pathological mechanism of the function-inactive refractory of the protein of the present invention and to examine a method for treating this disease.
- the abnormal DNA highly expressing animal of the present invention can be used to inhibit the function of the normal protein by the abnormal protein of the present invention in the function-inactive refractory disease of the protein of the present invention (dominant negative). Action).
- the protein or functionally inactive type of the present invention Prevention and treatment for refractory disease, for example, respiratory disease [eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis Etc.), rhinitis (eg, allergic rhinitis, hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry rhinitis, vasomotor rhinitis, gangrene rhinitis, sinusitis, etc.), immunology Diseases (eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, Siedalen syndrome, insulin resistance diabetes, rhinitis, etc.
- respiratory disease eg, chronic obstructive pulmonary disease (chronic bronchitis,
- ⁇ ⁇ Isolation and purification of the mutant protein of the present invention and production of its antibody are considered. Furthermore, using the DNA-transferred animal of the present invention, it is possible to examine clinical symptoms of a disease associated with the protein of the present invention, including a functionally inactive refractory disease of the protein of the present invention. More detailed pathological findings in each organ of a disease model related to the protein of the present invention are obtained, which contributes to the development of new treatment methods and the research and treatment of secondary diseases caused by the disease. be able to.
- the protein of the present invention It can be used to identify the quality-producing cells, their apoptosis, their relationship to differentiation or proliferation, or their signaling mechanisms, and their abnormalities. It becomes research material.
- the DNA-transferred animal of the present invention in order to use the DNA-transferred animal of the present invention to develop a therapeutic agent for a disease associated with the protein of the present invention, including a functionally inactive refractory type of the protein of the present invention, the above-mentioned detection method was used. It is possible to provide an effective and rapid screening method for the therapeutic agent for the disease by using the assay method. Furthermore, using the DNA-transferred animal of the present invention or the exogenous DNA-expressing vector of the present invention, it is possible to examine and develop a method for treating DNA associated with the protein of the present invention.
- the present invention provides a non-human mammalian embryonic stem cell in which the DNA of the present invention has been inactivated and a non-human mammal deficient in expression of the DNA of the present invention.
- the DNA is inactivated by introducing a reporter gene (eg, a 3-galactosidase gene derived from Escherichia coli), and the reporter gene is expressed under the control of the promoter for the DNA of the present invention.
- a reporter gene eg, a 3-galactosidase gene derived from Escherichia coli
- test compound is administered to the animal described in (7) to promote the activity of the promoter of the DNA of the present invention, which is characterized by detecting the expression of a reporter gene.
- the present invention provides a method for screening a compound or a salt thereof that inhibits the compound.
- a non-human mammal embryonic stem cell in which the DNA of the present invention has been inactivated is an artificially mutated DNA of the present invention possessed by the non-human mammal, which suppresses the expression of the DNA, Alternatively, the DNA substantially does not have the ability to express the protein of the present invention by substantially losing the activity of the protein of the present invention encoded by the DNA (hereinafter referred to as the knockout DNA of the present invention).
- Non-human mammalian embryonic stem cells hereinafter abbreviated as ES cells).
- non-human mammal those similar to the above can be used.
- the method of artificially mutating the DNA of the present invention can be carried out, for example, by deleting a part or all of the DNA sequence by inserting or substituting another DNA with a genetic engineering technique.
- the knockout DNA of the present invention may be prepared by shifting the codon reading frame or disrupting the function of the promoter or exon.
- Non-human mammalian embryonic stem cells in which the DNA of the present invention has been inactivated include, for example, The DNA of the present invention possessed by a non-human mammal having the following characteristics is isolated and its exon portion is a drug resistance gene typified by a neomycin resistance gene, a hygromycin resistance gene, 1acZ ( ⁇ -galactosidase gene), cat A DNA sequence that disrupts exon function by inserting a reporter gene or the like represented by (chloramphenicolease transferinase gene) or terminates transcription of the gene in the intron region between exons ( For example, by inserting a po 1 y A additional signal) to prevent synthesis of the complete messenger RNA, A DNA chain having a DNA sequence constructed so as to eventually disrupt the gene (hereinafter abbreviated as a targeting vector) is introduced into
- Primers were used for Southern hybridization analysis using the DNA sequence on or in the vicinity of the DNA of the invention as a probe, or the DNA sequence in the neighboring region other than the DNA of the invention used in the preparation of the targeting vector and the targeting vector.
- the knockout ES cells of the present invention were analyzed by PCR It can be obtained by sorting.
- ES cells from which the DNA of the present invention is inactivated by the homologous recombination method or the like for example, those already established as described above may be used, and the methods described in the known methods of Evans and Kaufma may be used. It may be newly established according to. For example, in the case of mouse ES cells, currently, the 129-line ES cells are generally used, but since the immunological background is not clear, a pure line that substitutes them and immunologically inherited is used.
- the BDF i mouse (C57BL / 6 mouse or C57BLZ6) which has reduced the number of eggs collected by crossing with DBA / 2 It is also possible to use a cell established using F of C57BL / 6 and DBAZ2, etc. BDF i mice have the advantage of high number of eggs collected and robust eggs. Since C57BL / 6 mice have C57BL / 6 mice as their background, the ES cells obtained by using them have a genetic background by backcrossing with C57BL / 6 mice when creating pathological model mice. It can be used advantageously because it can be replaced by 57 B LZ6 mice.
- blastocysts 3.5 days after fertilization are generally used. Many early embryos can be obtained.
- Either male or female ES cells may be used, but male ES cells are generally more convenient for producing a germline chimera. It is also desirable to discriminate between males and females as soon as possible in order to reduce the complexity of culturing.
- An example of a method for determining the sex of ES cells is a method of amplifying and detecting a gene in the sex-determining region on the Y chromosome by PCR.
- this method conventionally, for example G-banding method, it requires about 1 0 6 cells for karyotype analysis, since suffices ES cell number of about 1 colony (about 5 0)
- the primary selection of ES cells in the early stage of culture can be performed by gender discrimination, and the early stage of culture can be greatly reduced by enabling the selection of male cells at an early stage.
- the secondary selection can be performed, for example, by confirming the number of chromosomes by the G-banding method.
- the embryonic stem cell line obtained in this way usually has very good growth potential, but it must be carefully subcultured because it tends to lose its ability to generate individuals.
- a suitable feeder cell such as STO fibroblast
- a carbon dioxide incubator preferably 5% carbon dioxide, 95% air or 5% oxygen
- LIF 1 to 10,000 U / ml
- 5% CO 2, 90% air at about 37 ° C
- trypsin / EDTA solution usually 0.001-0.5% trypsin / 0:! ⁇ 5mM EDTA (preferably about 0.1% trypsin / ImM EDTA) treatment to form single cells, and inoculate them onto freshly prepared feeder cells.
- Such subculture is usually performed every 1 to 3 days. At this time, it is desirable to observe the cells, and if morphologically abnormal cells are found, discard the cultured cells.
- ES cells can be cultured in monolayers at high densities or in suspension cultures to form cell clumps under appropriate conditions to produce various types of cells such as parietal, visceral, and cardiac muscles.
- DNA expression of the present invention obtained by differentiating ES cells of the present invention.
- Defective cells are useful in cell biology studies of the proteins of the present invention in the mouth of Invito.
- the non-human mammal deficient in DNA expression of the present invention can be distinguished from a normal animal by measuring the mRNA amount of the animal using a known method and indirectly comparing the expression levels.
- non-human mammal the same one as described above is used.
- the targeting vector prepared as described above is introduced into mouse embryonic stem cells or mouse egg cells, and the DNA of the targeting vector of the present invention is inactivated by the introduction.
- DNA distribution The DNA of the present invention can be knocked down by homologous recombination in which the sequence replaces the DNA of the present invention on the chromosome of mouse embryonic stem cells or mouse egg cells by gene homologous recombination.
- the cells in which the DNA of the present invention has been knocked out are combined with a DNA sequence on a Southern hybridization analysis or a targeting vector using a DNA sequence on or near the DNA of the present invention as a probe, and a targeting vector.
- the determination can be made by analysis using a PCR method using, as primers, a DNA sequence of a nearby region other than the DNA of the present invention derived from the mouse used.
- the cell line in which the DNA of the present invention has been inactivated is cloned by homologous recombination, and the cells are cloned at an appropriate time, for example, at the 8-cell stage.
- the chimeric embryo is injected into a non-human mammal embryo or blastocyst, and the resulting chimeric embryo is transplanted into the uterus of the pseudo-pregnant non-human mammal.
- the produced animal is a chimeric animal composed of both the cells having the normal DNA locus of the present invention and the cells having the artificially changed DNA locus of the present invention.
- all tissues are artificially mutated from a population obtained by crossing such a chimeric individual with a normal individual. It can be obtained by selecting individuals composed of cells having the added DNA locus of the present invention by, for example, determining the coat color.
- the individual thus obtained is usually an individual lacking heterologous expression of the protein of the present invention, and is bred to an individual deficient in expression of the protein of the present invention. An individual having a deficiency in homoexpression of the protein can be obtained.
- a transgenic non-human mammal having a targeting vector introduced into a chromosome can be obtained by injecting a DNA solution into the nucleus of an egg cell by a microphone-injection method. Compared to a transgenic non-human mammal, it can be obtained by selecting those having a mutation in the DNA locus of the present invention by homologous recombination of the gene.
- the animal of the present invention is confirmed to be knocked out of the animal obtained by the crossing, and is reared in a normal dietary environment after confirming that the DNA is knocked out. be able to.
- the germline can be obtained and maintained according to a conventional method. That is, By crossing male and female animals possessing the inactivated D: A, a homozygote animal having the inactivated DNA on both homologous chromosomes can be obtained. The obtained homozygous animal can be efficiently obtained by rearing the mother animal in a state where one normal individual and plural homozygous animals are obtained. By crossing male and female heterozygous animals, homozygous and heterozygous animals having the inactivated DNA are bred and subcultured. ..
- non-human mammalian embryonic stem cells in which the DNA is inactivated according to the present invention are very useful for producing the non-human mammal deficient in expressing the DNA of the present invention.
- non-human mammal deficient in DNA expression of the present invention lacks various biological activities that can be induced by the protein of the present invention, a model of a disease caused by inactivation of the biological activity of the protein of the present invention. It is useful for investigating the causes of these diseases and studying treatment methods.
- the non-human mammal deficient in DNA expression of the present invention can be used for screening for a compound having a therapeutic / preventive effect against diseases caused by deficiency or damage of the DNA of the present invention.
- the present invention provides a method for administering a test compound to a non-human mammal deficient in expression of the DNA of the present invention, and observing and measuring changes in the animal.
- Test compounds include, for example, peptides, proteins, non-peptidic compounds, synthetic compounds, fermentation products, cell extracts, plant extracts, animal tissue extracts, and plasma, and these compounds are novel compounds. Or a known compound.
- a non-human mammal deficient in expression of the DNA of the present invention is treated with a test compound, compared with a non-treated control animal, and tested using changes in the organs, tissues, disease symptoms, etc. of the animal as indices.
- the compound's therapeutic and prophylactic effects can be tested.
- test compound for example, oral administration, intravenous injection and the like are used, and it can be appropriately selected according to the symptoms of the test animal, the properties of the test compound, and the like.
- the dose of the test compound can be appropriately selected according to the administration method, the properties of the test compound, and the like.
- respiratory diseases eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.
- rhinitis eg, Allergic rhinitis, hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry anterior rhinitis, vasomotor rhinitis, gangrene rhinitis, sinusitis, etc.
- immune diseases eg, myasthenia gravis
- Glomerulonephritis multiple sclerosis, siedalen syndrome, insulin resistant diabetes mellitus, rheumatoid arthritis, systemic erythematosus, atopic dermatitis, leukocyte abnormalities, immunodeficiency associated with splenic dysfunction or thymic abnormal
- the disease symptom of the test animal is improved by about 10% or more, preferably about 30% or more, more preferably about 50% or more.
- the test compound can be selected as a compound having a therapeutic / preventive effect on the above-mentioned diseases.
- Compounds obtained using the screening method are selected from the test compounds described above. It is a compound that has a therapeutic and / or prophylactic effect against diseases caused by deficiency or damage of the protein of the present invention, so that it can be used as a drug such as a safe and low-toxic preventive / therapeutic agent for such diseases. it can. Further, a compound derived from the compound obtained by the above-mentioned screening can be used similarly.
- the compound obtained by the screening method may form a salt.
- the salt of the compound include physiologically acceptable acids (eg, inorganic acids, organic acids, etc.) and bases (eg, alkali metals, etc.). And the like, and a physiologically acceptable acid addition salt is particularly preferable.
- Such salts include, for example, salts with inorganic acids (eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid, etc.) and organic acids (eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid) , Conodic acid, tartaric acid, citric acid, malic acid, oxalic acid, benzoic acid, methanesulfonic acid, benzenesulfonic acid, etc.).
- inorganic acids eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid, etc.
- organic acids eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid
- Conodic acid tartaric acid, citric acid, malic acid, oxalic acid
- benzoic acid methanesulfonic acid, benzenesulfonic acid, etc.
- a drug containing the compound or a salt thereof obtained by the screening method can be produced in the same manner as the above-mentioned drug containing the protein of the present invention.
- the preparations obtained in this way are safe and low toxic and can be used, for example, in humans or mammals (eg, rats, mice, guinea pigs, egrets, sheep, pigs, horses, cats, cats, animals). And monkeys and monkeys).
- the dose of the compound or a salt thereof varies depending on the target disease, the subject of administration, the administration route, and the like.
- emphysema of an adult (assuming a body weight of 60 kg) is used.
- about 0.1 to 100 mg, preferably about 1.0 to 50 mg, more preferably about 1.0 to 20 mg of the compound is administered daily.
- parenteral administration the single dose of the compound varies depending on the administration subject, the target disease and the like.
- the compound is usually in the form of an injection and usually used in adult (assuming 60 kg body weight) emphysema.
- 0.1 to 3 Omg When administered to a patient, about 0.1 to 3 Omg, preferably about 0.1 to 2 Omg, more preferably about 0.1 to about 10 mg of the compound is administered intravenously per day. It is convenient to administer. In the case of other animals, the dose can be administered in terms of the weight per 6 O kg.
- a method for screening a compound that promotes or inhibits the activity of a promoter for DNA of the present invention relates to a method for administering a tester conjugate to a non-human mammal deficient in expression of a DNA of the present invention, and detecting the expression of a reporter gene.
- a method for screening a compound or a salt thereof that promotes or inhibits is provided.
- the DNA of the present invention may be a non-human mammal deficient in expression of the DNA of the present invention, which is incompatible with the DNA of the present invention by introducing a reporter gene. Those which are activated and which can express the reporter gene under the control of the promoter for the DNA of the present invention are used.
- test compound examples include the same compounds as described above.
- reporter gene the same one as described above is used, and a monogalactosidase gene (1 acZ), a soluble alkaline phosphatase gene or a luciferase gene is suitable.
- a tissue that originally expresses the protein of the present invention may Instead of the protein according to the invention) 3-galatatosidase is expressed. Therefore, for example, by staining with a reagent that serves as a substrate for j3-galactosidase, such as 5-promote 4-monocloth-3-indolyl-jS-galatatoviranoside (X-gal), The state of expression of the protein of the present invention in an animal body can be observed.
- a reagent that serves as a substrate for j3-galactosidase such as 5-promote 4-monocloth-3-indolyl-jS-galatatoviranoside (X-gal).
- the protein-deficient mouse of the present invention or a tissue section thereof is fixed with dartalaldehyde or the like, washed with phosphate buffered saline (PBS), and then stained with X-ga1 at room temperature or at room temperature. After reacting at about 7 ° C for about 30 minutes to 1 hour, the tissue sample is washed with ImM EDTA / PBS solution to stop the] -galactosidase reaction, and the color is observed. ,. Also, according to the usual method, even if mRNA encoding 1 ac Z is detected, Good.
- PBS phosphate buffered saline
- the compound or a salt thereof obtained by the above screening method is a compound selected from the test compounds described above, and is a compound that promotes or inhibits the promoter activity for DNA of the present invention.
- the compound obtained by the screening method may form a salt, and the salt of the compound may be a physiologically acceptable acid (eg, an inorganic acid) or a base (eg, an alkali metal). And the like, and especially preferred are physiologically acceptable acid addition salts.
- a physiologically acceptable acid eg, an inorganic acid
- a base eg, an alkali metal
- salts include salts with inorganic acids (eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid, etc.), and organic acids (eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid, Or a salt thereof with succinic acid, tartaric acid, citric acid, malic acid, oxalic acid, benzoic acid, methanesulfonic acid, benzenesulfonic acid, or the like.
- inorganic acids eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid, etc.
- organic acids eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid, Or a salt thereof with succinic acid, tartaric acid, citric acid, malic acid, oxalic acid, benzoic acid, methanesulfonic acid, benzenesulfonic acid, or the like.
- Salts can regulate the expression of the protein of the present invention and regulate the function of the protein, for example, respiratory diseases [eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), diffuse pan Bronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.), rhinitis (eg, allergic rhinitis, hay fever, acute rhinitis, chronic rhinitis, Rhinosinus, atrophic rhinitis, dry rhinitis, vasomotor rhinitis, gangrene rhinitis, sinusitis, etc., immune diseases (eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, cidaren) Syndrome, insulin resistance diabetes, rheumatoid arthritis, systemic erythematosus, atopic dermatitis, leukocyte abnormalities, immune defici
- 'Can be used as a therapeutic agent.
- it is a prophylactic / therapeutic agent for a respiratory disease or the like, more preferably a prophylactic / therapeutic agent for a chronic obstructive pulmonary disease or the like, and further preferably a prophylactic / therapeutic agent for an emphysema or the like.
- a medicament containing the compound or a salt thereof obtained by the screening method may be produced in the same manner as the above-mentioned medicament containing the protein of the present invention or a salt thereof. Can be.
- the preparations obtained in this way are safe and low toxic and can be used, for example, in humans or mammals (e.g. rats, mice, guinea pigs, egrets, sheep, pigs, pigs, dogs, cats, dogs, Monkeys).
- mammals e.g. rats, mice, guinea pigs, egrets, sheep, pigs, pigs, dogs, cats, dogs, Monkeys.
- the dose of the compound or a salt thereof varies depending on the target disease, the subject of administration, the administration route, and the like.
- the compound of the present invention that inhibits the promoter activity for DNA is orally administered, generally the adult In emphysema patients weighing 60 kg, the compound is administered daily at about 0.1 to 100 mg, preferably about 1.0 to 50 mg, more preferably about 1.0 to 20 mg.
- the single dose of the compound varies depending on the administration subject, target disease, and the like.
- the compound of the present invention that inhibits the promoter activity against DNA is usually administered in the form of an injection to an adult.
- emphysema patients When administered to emphysema patients (as 6 O kg), about 0.01 to 3 Omg, preferably about 0.1 to 20 mg, and more preferably about 0.1 to 0.1 mg of the compound per day It is convenient to administer 11 Omg or so by intravenous injection. In the case of other animals, the amount converted per 60 kg can be administered.
- the non-human mammal deficient in expression of the DNA of the present invention is extremely useful for screening a compound or a salt thereof that promotes or inhibits the activity of the promoter of the DNA of the present invention.
- Investigating or preventing the causes of various diseases caused by insufficient expression of DNA can greatly contribute to the development of therapeutic agents.
- genes encoding various proteins are ligated downstream thereof and injected into an egg cell of an animal to produce a so-called transgenic animal (gene transfer). Animal), it will be possible to specifically synthesize the protein and study its effects in living organisms. Furthermore, by binding an appropriate reporter gene to the above promoter portion and establishing a cell line in which this is expressed, a low-molecular-weight molecule having the action of specifically promoting or suppressing the ability of the protein itself of the present invention to produce in the body can be obtained. Can be used as a search system for compounds.
- HONB 1-Hydroxy-5-norbornene-2,3-dicarboximide
- DCC N, N'-dicyclohexylcanolepoimide
- SEQ ID NOs in the sequence listing in the present specification indicate the following sequences.
- D-HIL mouse dendritic cell-associated transmembrane protein
- [SEQ ID NO: 7] 3 shows the nucleotide sequences of primers used in Examples 2 and 3.
- Example 3 shows the nucleotide sequences of primers used in Examples 2 and 3.
- Example 3 shows the nucleotide sequences of primers used in Examples 2 and 3.
- C57BL / 6N mice (6-week-old, Japan Charls River) were inhaled with mainstream smoke generated from Kentucky Reference Cigarette 1R1 for 1 to 4 hours / day, 5 days / week for a total of 6 months.
- the Kentucky Reference Cigarette 1R1 was attached to a tobacco smoke generator (SG-200, Shibata Scientific Co., Ltd.), and mainstream smoke was collected under the conditions of 35 ml / puff, 10 puff / min, and 25 puff igarette.
- the mainstream smoke obtained was diluted to 3% (V / V) with air, and then sent to the acrylic exposure chamber containing the mouse, and the spontaneously breathing mouse was inhaled tobacco smoke for a predetermined period of time. .
- mice Normal mice were used for the control group.
- the lung function of the mice was evaluated using the pressure-volume curve of the isolated lung. That is, the mice were anesthetized with pentobarbital (70 mg / kg, ip) the day after the end of the 1-, 3-, and 6-month tobacco smoke exposures, the neck was dissected, and force trachea was applied to the trachea. (Safuro indwelling ⁇ ", 18G) was inserted. the tracheal force two Yure linked ventilator (Harvard Co.), under the diaphragm resection was subjected to by Ri 10 minutes ventilator to 99.995% 0 2 The ventilation was adjusted so that the change in the airway pressure at that time was 10 cm 0.
- pentobarbital 70 mg / kg, ip
- RNA extracted from its control group (n 8) using IS0GEN according to the attached manual, and oligonucleotide mic roarray (Mouse Genome U94A, U94B, U94C; Affymetrix) Gene expression analysis.
- cDNA was synthesized by reverse transcription in a 50 ⁇ l reaction solution using a TaqMan Gold RT-PCR Kit (manufactured by Applied Biosystems). After diluting the reaction solution 5 times with distilled water, use the ABI PRISM 7900 Sequence Detector (Applied Biosystems) and the QuantiTect SYBR Green PCR Kit (QIAGEN) using 71 of them. Mouse DC-HIL gene copy number was measured by quantitative PCR.
- the primers [Primer 1 (SEQ ID NO: 5) and Primer 2 (SEQ ID NO: 6)] used for the gene amount detection were based on the nucleotide sequence of the mouse DC-HIL gene [GenBank Accession Number: AF322054) using the Primer Express program.
- total RNA extracted from mouse lung tissue was converted to type III using primer 1 (SEQ ID NO: 7) and primer 4 (SEQ ID NO: 8) to obtain RT-P It was prepared by measuring the concentration of a DNA fragment consisting of 515 base pairs amplified by the CR method using a Spectrophotometer (manufactured by Beckman) and serially diluting it.
- the copy number of the GAPDH gene as a housekeeping gene was measured.
- samples without reverse transcriptase were treated in the same manner to remove non-specific amplification, and the number of gene copies per total RNA was calculated from the following formula.
- the C0PD model mouse lung and control mice were exposed to tobacco smoke. The expression of each lung was compared.
- Mouse DNA (Mouse MTC panel I and Mouse MTC panel II: Clontech) of each mouse tissue (bone marrow, smooth muscle, prostate, thymus, stomach, uterus, heart, brain, spleen, lung, liver, kidney, testis) ABI PRISM 7900 SEEK ENS Detector (Applied Biosystems) and QuantiTect SYBR Green PCR Kit
- the mouse DC-HIL gene expression distribution was examined by real-time quantitative PCR using (QIAGEN).
- the primers [Primer 1 (SEQ ID NO: 5) and Primer 2 (SEQ ID NO: 6)] used for detection of the gene amount were the nucleotide sequences of the mouse DC-HIL gene [GenBank Accession Number: AF322054].
- mice DC-HIL gene product (mRNA) was specifically expressed in the lung.
- mice C57BL / 6N mice (8-week-old, Nippon-Charles River) were intranasally administered with hepatic elastase solution (Wako Pure Chemical Industries) (6 units / 50 ⁇ ! 7 mice) under halothane anesthesia. Produced.
- physiological saline nasal mice were used.
- the lung function of the mouse was evaluated using the pressure-volume curve of the isolated lung. That is, mice were anesthetized with pentobarbital (70 mg / kg ip) 1 day, 3 days, 7 days, 14 days, 21 days and 35 days after elastase administration.
- RNA was prepared using IS0GEN from n 6) according to the attached manual.
- RNA l / ig prepared from mouse lung tissue as a starting material
- M-MLV Reverse Transcriptase manufactured by Invitrogen
- the amount of mouse DC-HIL gene was measured by a real-time quantitative PCR method using ABI PRISM 7700 Sequence Detector (manufactured by Applied Biosystems).
- the primers [Primer 1 (SEQ ID NO: 5) and Primer 2 (SEQ ID NO: 6)] used for the detection of the amount of the gene were derived from the base sequence of mouse DC-HIL gene, the gene IJ (GenBank Accession Number: AF322054). Designed using Primer Express program. Similarly, the amount of 18S ribosomal RNA gene as a housekeeping gene was measured. The DC-HIL gene expression amount per 18S liposomal RNA gene expression amount was determined from the following equation, and the expression of each of the lungs of the elastase-induced C0PD model mouse lung and control mouse lung was compared.
- the proteins and polynucleotides of the present invention include, for example, respiratory diseases [eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, lung fibers ), Rhinitis (eg, arrenolegic rhinitis, hay fever, acute rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dry antenatal rhinitis, vasomotor rhinitis, gangrene rhinitis, sinusitis, etc.) , Immune diseases (eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, Sinigren's syndrome, insulin resistance diabetes, rheumatoid arthritis, systemic lupus erythematosus, atopic dermatitis, leukocyte abnormalities
- respiratory diseases include, for example, respiratory diseases [eg, chronic obstructive pulmonary disease (chronic bronchial bronchi). Inflammation, pneumothorax JS), diffuse panbronchiolitis, bronchial asthma, cystic fibrosis, irritable pneumonia, pulmonary fibrosis, etc.), rhinitis (eg, allergic rhinitis, pollinosis, acute rhinitis, chronic rhinitis) , Hypertrophic rhinitis, atrophic rhinitis, dry pre-rhinitis, vasomotor rhinitis, gangrene rhinitis, sinusitis, etc., immune diseases (eg, myasthenia gravis, glomerulonephritis, multiple sclerosis, siggren Syndrome, insulin resistance diabetes, rheumatoid arthritis, systemic lupus erythematosus, atopic dermatitis, leukocyte abnormalities, immunity associated with splenic dysfunction or
- it is a prophylactic / therapeutic agent for a respiratory disease or the like, more preferably a prophylactic / therapeutic agent for a chronic obstructive pulmonary disease or the like, and further preferably a prophylactic / therapeutic agent for a pulmonary emphysema or the like.
- the antisense polynucleotide of the present invention can suppress the expression of the protein of the present invention.
- respiratory diseases eg, chronic obstructive pulmonary disease (chronic bronchitis, emphysema), and diffuse pancreatic disease.
- rhinitis eg, allergic rhinitis, pollinosis, sudden, rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dryness
- rhinitis eg, allergic rhinitis, pollinosis, sudden, rhinitis, chronic rhinitis, hypertrophic rhinitis, atrophic rhinitis, dryness
- the sinus ⁇ immune diseases (e.g., myasthenia gravis, glomerulonephritis, OTsutomu sclerosis, Shie Glenn syndrome, insulin resistant diabetes mellitus, rheumatoid arthritis, systemic lupus erythematosus, atopic dermatitis, leukocyte abnormalities, immunodeficiency associated with spleen dysfunction or thymic abnormalities, etc.), inflammatory bowel disease, allergy's conjunctivitis, etc. It can be used as a preventive and therapeutic agent or diagnostic agent.
- immune diseases e.g., myasthenia gravis, glomerulonephritis, OTsutomu sclerosis, Shie Glenn syndrome, insulin resistant diabetes mellitus, rheumatoid arthritis, systemic lupus erythematosus, atopic dermatitis, leukocyte abnormalities, immunodeficiency associated with spleen dysfunction or thy
- it is a prophylactic / therapeutic agent for a respiratory disease or the like, more preferably a prophylactic / therapeutic agent for a chronic obstructive pulmonary disease or the like, and further preferably a prophylactic / therapeutic agent for a pulmonary emphysema or the like.
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WO1997018454A2 (en) * | 1995-11-16 | 1997-05-22 | Baylor College Of Medicine | Method for identifying metastatic sequences |
WO2000061612A2 (en) * | 1999-04-02 | 2000-10-19 | Corixa Corporation | Compounds and methods for therapy and diagnosis of lung cancer |
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WO1997018454A2 (en) * | 1995-11-16 | 1997-05-22 | Baylor College Of Medicine | Method for identifying metastatic sequences |
WO2000061612A2 (en) * | 1999-04-02 | 2000-10-19 | Corixa Corporation | Compounds and methods for therapy and diagnosis of lung cancer |
Non-Patent Citations (3)
Title |
---|
BANDARI P.S. ET AL.: "Hematopoietic growth factor inducible neurokinin-1 type: a transmembrane protein that is similar to neurokinin 1 interacts with substance P", REGULATORY PEPTIDES, vol. 111, 2003, pages 169 - 178, XP002964745 * |
SHIKANO S. ET AL.: "Molecular cloning of a dendritic cell-associated transmembrane protein, DC-HIL, that promotes RGD-dependent adhesion of endothelial cells through recognition of hepatran sulfate proteoglycans", J. BIOL. CHEM., vol. 276, no. 11, 2001, pages 8125 - 8134, XP002964744 * |
WATERMAN M.A.J. ET AL.: "NMB, a novel gene, is expressed in low-metastatic human melanoma cell lines and xenografts", INT. J. CANCER, vol. 60, 1995, pages 73 - 81, XP002044250 * |
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