JPH09508969A - 前立腺特異抗原の免疫検定法 - Google Patents
前立腺特異抗原の免疫検定法Info
- Publication number
- JPH09508969A JPH09508969A JP7518164A JP51816495A JPH09508969A JP H09508969 A JPH09508969 A JP H09508969A JP 7518164 A JP7518164 A JP 7518164A JP 51816495 A JP51816495 A JP 51816495A JP H09508969 A JPH09508969 A JP H09508969A
- Authority
- JP
- Japan
- Prior art keywords
- analyte
- antibody
- psa
- binding molecule
- complex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
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- 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
- G01N33/689—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids related to pregnancy or the gonads
-
- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/574—Immunoassay; Biospecific binding assay; Materials therefor for cancer
- G01N33/57407—Specifically defined cancers
- G01N33/57434—Specifically defined cancers of prostate
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
- G01N2333/81—Protease inhibitors
- G01N2333/8107—Endopeptidase (E.C. 3.4.21-99) inhibitors
- G01N2333/811—Serine protease (E.C. 3.4.21) inhibitors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
- G01N2333/81—Protease inhibitors
- G01N2333/8107—Endopeptidase (E.C. 3.4.21-99) inhibitors
- G01N2333/811—Serine protease (E.C. 3.4.21) inhibitors
- G01N2333/8121—Serpins
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2800/00—Detection or diagnosis of diseases
- G01N2800/34—Genitourinary disorders
- G01N2800/342—Prostate diseases, e.g. BPH, prostatitis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/962—Prevention or removal of interfering materials or reactants or other treatment to enhance results, e.g. determining or preventing nonspecific binding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/967—Standards, controls, materials, e.g. validation studies, buffer systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/975—Kit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S436/00—Chemistry: analytical and immunological testing
- Y10S436/811—Test for named disease, body condition or organ function
- Y10S436/813—Cancer
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Hematology (AREA)
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 生体サンプル中の被検体(「A」)を検出もしくは定量するための免疫検 定法であり、該被検体は該サンプル中に遊離体の形(「遊離被検体」)でまたは 結合分子と結合して被検体と結合分子との複合体の形(「{(A)(結合分子) }」)で存在することができ、この方法は、 (a)被検体の特定クラスのエピトープに特異な抗体(「αHE」)、被検体 の別のクラスのエピトープに特異な捕捉抗体(「αNHE」)、および被検体に 特異なプローブ抗体(「αA*」)に被検体を接触させ、ただしプローブ抗体が ポリクロナール抗体であれば被検体はプローブ抗体よりも前に捕捉抗体に接触さ せ、 (b)被検体に結合するαA*の有無または量とサンプル中の被検体の有無ま たは量を関連づけるか、あるいは未結合αA*の量をサンプル中の被検体の有無 または量と関連づける工程から成り、 ただしαnHEは遊離被検体および{(A)(結合分子)}の双方と結合でき 、 αHEは遊離被検体とは結合できるが{(A)(結合分子)}とは結合できな い免疫検定法。 2. 被検体および結合分子が蛋白である、請求項1に記載の免疫検定法。 3. プローブ抗体がポリクロナール抗体である、請求項1に記載の免疫検定法 。 4. 捕捉抗体がモノクロナール抗体である、請求項1に記載の免疫検定法。 5. さらに、固相からサンプルと未結合αHEを分離してから固相にαA*を 加え、次いで未結合αA*を分離して固相に結合しているαA*を検出する工程を 含んで成る、請求項1に記載の免疫検定法。 6. プローブ抗体が、遊離被検体とは結合するが{(A)(結合分子)}とは 結合しない抗体、ならびに被検体および{(A)(結合分子)}の双方と結合す る抗体とを含んで成るポリクロナール抗体の集団である、請求項3に記載の免疫 検定法。 7. αHEがMABである、請求項1に記載の免疫検定法。 8. プローブ抗体が検出用に標識してある、請求項1に記載 の免疫検定法。 9. 被検体が血清プロテアーゼであり、結合分子が血清プロテアーゼインヒビ ターである、請求項1に記載の免疫検定法。 10. 被検体およびそれに対応する結合分子(括弧内)を、プロテインC(プ ロテインCインヒビター)、エラスターゼ(抗トリプシン)、カテプシンG(A CT)、PSA(ACT)、PSA(α2−マクログロブリン)、トロンビン( 抗トロンビンIII)、C1−エステラーゼ(C1−インヒビター)、t−PA(P AI−1)、uPA(PAI−1)、プラスミン(α2−抗プラスミン)、PS A(α1−プロテアーゼインヒビター)、PSA(プロテインCインヒビター) 、およびその逆の組み合わせから成る群から選択する、請求項1に記載の免疫検 定法。 11. 被検体がPSAであり、結合分子がACTである、請求項10に記載の 免疫検定法。 12. αHEを9B10、5A10、PSA6、PSA30、PSA17、P SA19、PSA20、PSA25から成るMABの群から選択する、請求項1 1に記載の免疫検定法。 13. プローブ抗体がMAB H50であり、捕捉抗体が MAB H117である、請求項11に記載の免疫検定法。 14. サンプル中被検体の検定を実施するためのキットで、被検体はサンプル 中に遊離被検体の形でも、あるいは結合分子と結合して複合体を形成した被検体 −結合分子複合体の形でも存在でき、 (a)遊離被検体と結合できるが被検体−結合分子複合体とは結合できない該 被検体に特異な抗体(αHE)、 (b)該被検体に特異な捕捉抗体、および (c)該被検体に特異なプローブ抗体を含んで成るキット。 15. 被検体がPSA、結合分子がACT、捕捉抗体およびαHEがMAB、 プローブ抗体がポリクロナール抗体である、請求項14に記載のキット。 16. さらに、αHEに結合した被検体の複合体を含有する容器を含んで成る 、請求項14に記載のキット。 17. αHEに架橋した被検体を含んで成る複合体で、該被検体は遊離被検体 としても、あるいは結合分子と結合して被検体−結合分子複合体を形成した形で も存在でき、αHEは遊離被検体に結合できるが被検体−結合分子複合体とは結 合できない被検体に対する抗体である複合体。 18. 被検体が血清プロテアーゼであり、結合分子が血清プロテアーゼインヒ ビターである、請求項17に記載の複合体。 19. 被検体およびそれに対応する結合分子(括弧内)を、プロテインC(プ ロテインCインヒビター)、エラスターゼ(抗トリプシン)、カテプシンG(A CT)、PSA(ACT)、PSA(α2−マクログロブリン)、トロンビン( 抗トロンビンIII)、C1−エステラーゼ(C1−インヒビター)、t−PA(P AI−1)、uPA(PAI−1)、プラスミン(α2−抗プラスミン)、PS A(α1−プロテアーゼインヒビター)、PSA(プロテインCインヒビター) 、およびその逆の組み合わせから成る群から選択する、請求項17に記載の複合 体。 20. 被検体に対するポリクロナール抗体を分別する方法で、被検体は遊離被 検体としても、あるいは被検体と結合分子の複合体(「被検体−結合分子複合体 」)としても存在でき、 (a)ポリクロナール抗体を被検体−結合分子複合体もしくはHE抗体に結合 している被検体(「被検体−HE抗体複合体」)のいずれかに、ポリクロナール 抗体が結合できるよう十分な時間接触させ、 (b)未結合ポリクロナール抗体または結合ポリクロナール抗体あるいはその 両者を採集する工程を含んで成り、 ただしHE抗体は遊離被検体とは結合するが被検体−結合分子複合体とは結合 せず、 結合したポリクロナール抗体は遊離被検体と被検体−結合分子複合体の双方を 認識し、また未結合ポリクロナール抗体は遊離被検体を認識するが被検体−結合 分子複合体は認識せず、 被検体は生体サンプル中に存在する抗原で結合分子は生体サンプルに内在性の 蛋白である方法。 21. 被検体およびその結合分子(括弧内)を、プロテインC(プロテインC インヒビター)、エラスターゼ(抗トリプシン)、カテプシンG(ACT)、P SA(ACT)、PSA(α2−マクログロブリン)、トロンビン(抗トロンビ ンIII)、C1−エステラーゼ(C1−インヒビター)、t−PA(PAI−1) 、uPA(PAI−1)、プラスミン(α2−抗プラスミン)、PSA(α1−プ ロテアーゼインヒビター)、PSA(プロテインCインヒビター)、およびその 逆の組み合わせから成る群から選択する、請求項20に記載の方法。 22. 複合体を付着させる固相で、 (a)被検体−結合分子複合体、 (b)被検体−HE抗体複合体、 (c)αnHE1−被検体−αHE複合体から成る群から選択し、 ただし被検体は生体サンプル中に存在する抗原で結合分子は生体サンプルに内 在性の蛋白であり、 被検体は結合分子に結合して被検体−結合分子複合体を形成し、 HE抗体は遊離被検体とは結合するが被検体−結合分子複合体とは結合せず、 αHEは被検体上のHEと呼ばれるエピトープと結合する抗体であり、 αnHE1は被検体上のnHEと呼ばれるエピトープと結合する抗体である固 相。 23. 被検体およびその結合分子(括弧内)を、プロテインC(プロテインC インヒビター)、エラスターゼ(抗トリプシン)、カテプシンG(ACT)、P SA(ACT)、PSA(α2−マクログロブリン)、トロンビン(抗トロンビ ンIII)、C1−エステラーゼ(C1−インヒビター)、t−PA(PA I−1)、uPA(PAI−1)、プラスミン(α2−抗プラスミン)、PSA (α1−プロテアーゼインヒビター)、PSA(プロテインCインヒビター)、 およびその逆の組み合わせから成る群から選択する、請求項22に記載の固相。 24. 結合分子に架橋する被検体で、該被検体は生体サンプル中に遊離被検体 としても、あるいは生体サンプルに内在性の結合分子に結合した形でも存在する ことのできる被検体。
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US08/174,964 US5599677A (en) | 1993-12-29 | 1993-12-29 | Immunoassays for prostate specific antigen |
US08/174,964 | 1993-12-29 | ||
PCT/US1994/014902 WO1995018381A1 (en) | 1993-12-29 | 1994-12-22 | Immunoassays for prostate specific antigen |
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JP2003286450A Division JP3833637B2 (ja) | 1993-12-29 | 2003-08-05 | 前立腺特異抗原の免疫検定法 |
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JP2003286450A Expired - Lifetime JP3833637B2 (ja) | 1993-12-29 | 2003-08-05 | 前立腺特異抗原の免疫検定法 |
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DE (1) | DE69434286T2 (ja) |
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- 1993-12-29 US US08/174,964 patent/US5599677A/en not_active Expired - Lifetime
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JP2004093563A (ja) | 2004-03-25 |
ATE290212T1 (de) | 2005-03-15 |
EP0741868B1 (en) | 2005-03-02 |
DE69434286T2 (de) | 2005-12-29 |
US5672480A (en) | 1997-09-30 |
JP3833637B2 (ja) | 2006-10-18 |
EP0741868A1 (en) | 1996-11-13 |
WO1995018381A1 (en) | 1995-07-06 |
JP3486413B2 (ja) | 2004-01-13 |
DE69434286D1 (de) | 2005-04-07 |
US5599677A (en) | 1997-02-04 |
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