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BR9913303A - High affinity antibodies - Google Patents

High affinity antibodies

Info

Publication number
BR9913303A
BR9913303A BR9913303-2A BR9913303A BR9913303A BR 9913303 A BR9913303 A BR 9913303A BR 9913303 A BR9913303 A BR 9913303A BR 9913303 A BR9913303 A BR 9913303A
Authority
BR
Brazil
Prior art keywords
samples
sample
antibody
incubation
hour
Prior art date
Application number
BR9913303-2A
Other languages
Portuguese (pt)
Inventor
Peter John Harrison
Original Assignee
Ks Biomedix Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ks Biomedix Ltd filed Critical Ks Biomedix Ltd
Publication of BR9913303A publication Critical patent/BR9913303A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/30Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/30Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants from tumour cells
    • C07K16/3007Carcino-embryonic Antigens
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A61K47/6801Drug-antibody or immunoglobulin conjugates defined by the pharmacologically or therapeutically active agent
    • A61K47/6803Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates
    • A61K47/6811Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates the drug being a protein or peptide, e.g. transferrin or bleomycin
    • A61K47/6815Enzymes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/20Immunoglobulins specific features characterized by taxonomic origin
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/60Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
    • C07K2317/622Single chain antibody (scFv)

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Cell Biology (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Genetics & Genomics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oncology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Peptides Or Proteins (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

Abstract

Patente de Invenção: "ANTICORPOS DE ALTA AFINIDADE" Anticorpos monoclonais de alta afinidade, em que a afinidade é caracterizada por: (i) incubação de uma primeira e de uma segunda amostras do anticorpo em cavidades de placas de microtítulo revestidas com antígeno, em uma concentração escolhida para estar dentro da parte linear de uma curva padrão, em pH 7, 2, por 1 hora, à 37 °C; (ii) remoção do anticorpo não-ligado de ambas as amostras; (iii) incubação da primeira amostra com PBS, em pH 7, 2, por 1 hora, à 37 °C, e redução do pH da segunda amostra até pH 3 ou abaixo, e incubação por 1 hora, à 37 °C; (iv) remoção do anticorpo não-ligado de ambas as amostras; (v) incubação de ambas as amostras com conjugado de antianticorpo fosfatase alcalina, por 1 hora, à 37 °C; (vi) remoção do conjugado não-ligado de ambas as amostras; e (vii) adição de substrato de PNPP às amostras, medição da absorbância das amostras à 405 nm, e determinação da quantidade de anticorpo ligado ao antígeno, em que a quantidade ligada na segunda amostra é >50% daquela da primeira amostra.Invention Patent: "HIGH AFFINITY ANTIBODIES" High affinity monoclonal antibodies, where affinity is characterized by: (i) incubation of a first and a second antibody sample in antigen-coated microtiter plate wells, in a concentration chosen to be within the linear part of a standard curve, at pH 7, 2, for 1 hour, at 37 ° C; (ii) removal of unbound antibody from both samples; (iii) incubation of the first sample with PBS, at pH 7, 2, for 1 hour, at 37 ° C, and reducing the pH of the second sample to pH 3 or below, and incubation for 1 hour, at 37 ° C; (iv) removal of unbound antibody from both samples; (v) incubation of both samples with anti-antibody alkaline phosphatase conjugate, for 1 hour, at 37 ° C; (vi) removing the unbound conjugate from both samples; and (vii) adding PNPP substrate to the samples, measuring the absorbance of the samples at 405 nm, and determining the amount of antibody bound to the antigen, where the amount bound in the second sample is> 50% of that of the first sample.

BR9913303-2A 1998-08-28 1999-08-20 High affinity antibodies BR9913303A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9818915.2A GB9818915D0 (en) 1998-08-28 1998-08-28 Antibodies
PCT/GB1999/002729 WO2000012556A1 (en) 1998-08-28 1999-08-20 High-affinity antibodies

Publications (1)

Publication Number Publication Date
BR9913303A true BR9913303A (en) 2001-10-09

Family

ID=10838074

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9913303-2A BR9913303A (en) 1998-08-28 1999-08-20 High affinity antibodies

Country Status (21)

Country Link
EP (1) EP1107990A1 (en)
JP (1) JP2002525082A (en)
KR (1) KR20010089174A (en)
CN (1) CN1315966A (en)
AU (1) AU5435099A (en)
BG (1) BG105294A (en)
BR (1) BR9913303A (en)
CA (1) CA2340865A1 (en)
EA (1) EA200100287A1 (en)
GB (1) GB9818915D0 (en)
HR (1) HRP20010149A2 (en)
HU (1) HUP0103233A3 (en)
ID (1) ID28905A (en)
IL (1) IL141523A0 (en)
MX (1) MXPA01002248A (en)
NO (1) NO20011006L (en)
PL (1) PL346472A1 (en)
TR (1) TR200100643T2 (en)
WO (1) WO2000012556A1 (en)
YU (1) YU15401A (en)
ZA (1) ZA200101573B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0031284D0 (en) * 2000-12-21 2001-01-31 Ks Biomedix Ltd High affinity antibodies
GB0112844D0 (en) * 2001-05-25 2001-07-18 Psimei Pharmaceuticals Plc Neutron capture therapy
WO2003105757A2 (en) * 2002-06-12 2003-12-24 Genencor International, Inc. Methods and compositions for milieu-dependent binding of a targeted agent to a target
US20030232401A1 (en) * 2002-06-12 2003-12-18 Pugia Michael J. Bacterial test method by glycated label binding
WO2005058236A2 (en) * 2003-12-12 2005-06-30 Genencor International, Inc. Cab molecules
CN111848790B (en) * 2020-08-07 2022-02-22 上海交通大学 Bovine-derived single-chain antibody for resisting staphylococcus aureus and preparation and application thereof
CN112724255A (en) * 2021-01-28 2021-04-30 成都金昆生物科技有限公司 Small molecule antibodies targeting carcinoembryonic antigens

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5081235A (en) * 1989-07-26 1992-01-14 City Of Hope Chimeric anti-cea antibody
GB9014932D0 (en) * 1990-07-05 1990-08-22 Celltech Ltd Recombinant dna product and method

Also Published As

Publication number Publication date
CN1315966A (en) 2001-10-03
ID28905A (en) 2001-07-12
KR20010089174A (en) 2001-09-29
AU5435099A (en) 2000-03-21
ZA200101573B (en) 2002-02-26
GB9818915D0 (en) 1998-10-21
EP1107990A1 (en) 2001-06-20
NO20011006D0 (en) 2001-02-27
JP2002525082A (en) 2002-08-13
BG105294A (en) 2001-12-29
IL141523A0 (en) 2002-03-10
NO20011006L (en) 2001-02-27
HUP0103233A2 (en) 2001-12-28
HRP20010149A2 (en) 2002-02-28
MXPA01002248A (en) 2002-05-08
WO2000012556A1 (en) 2000-03-09
EA200100287A1 (en) 2001-08-27
HUP0103233A3 (en) 2003-10-28
TR200100643T2 (en) 2001-07-23
YU15401A (en) 2003-07-07
CA2340865A1 (en) 2000-03-09
PL346472A1 (en) 2002-02-11

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6 A 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1911 DE 21/08/2007.