CN110799546A - 重组双特异性抗体 - Google Patents

重组双特异性抗体 Download PDF

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Publication number
CN110799546A
CN110799546A CN201880041765.6A CN201880041765A CN110799546A CN 110799546 A CN110799546 A CN 110799546A CN 201880041765 A CN201880041765 A CN 201880041765A CN 110799546 A CN110799546 A CN 110799546A
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antibody
seq
scfv
bispecific antibody
pdl
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CN110799546B (zh
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薛彤彤
肖亮
刘登念
龙虎
胡江江
崔亚敏
袁晓曦
王利春
王晶翼
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Sichuan Kelun Biotech Biopharmaceutical Co Ltd
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Sichuan Kelun Biotech Biopharmaceutical Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/46—Hybrid immunoglobulins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K39/395—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
    • C07K16/2818—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily against CD28 or CD152
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
    • C07K16/2827—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily against B7 molecules, e.g. CD80, CD86
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09—Recombinant DNA-technology
    • C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/85—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K2039/505—Medicinal preparations containing antigens or antibodies comprising antibodies
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/31—Immunoglobulins specific features characterized by aspects of specificity or valency multispecific
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/52—Constant or Fc region; Isotype
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/565—Complementarity determining region [CDR]
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
    • C07K2317/622—Single chain antibody (scFv)
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/64—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising a combination of variable region and constant region components
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/71—Decreased effector function due to an Fc-modification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/73—Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
    • C07K2317/732—Antibody-dependent cellular cytotoxicity [ADCC]
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/73—Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
    • C07K2317/734—Complement-dependent cytotoxicity [CDC]
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/76—Antagonist effect on antigen, e.g. neutralization or inhibition of binding
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/94—Stability, e.g. half-life, pH, temperature or enzyme-resistance

Abstract

提供了一种针对CTLA‑4和PDL‑1的重组双特异性抗体，编码抗体的核酸分子，包含该核酸分子的载体和宿主细胞，以及制备该抗体的方法。还提供了包含该双特异性抗体的药物组合物，以及该双特异性抗体在制备药物组合物中的用途。

Description

PCT国内申请，说明书已公开。

Claims (29)

  1. PCT国内申请，权利要求书已公开。
CN201880041765.6A 2017-09-01 2018-08-17 重组双特异性抗体 Active CN110799546B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2017107814023 2017-09-01
CN201710781402 2017-09-01
PCT/CN2018/100971 WO2019042153A1 (zh) 2017-09-01 2018-08-17 重组双特异性抗体

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CN110799546A true CN110799546A (zh) 2020-02-14
CN110799546B CN110799546B (zh) 2023-01-24

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US (1) US11421029B2 (zh)
EP (1) EP3626745A4 (zh)
JP (1) JP7145895B2 (zh)
KR (1) KR20200041835A (zh)
CN (1) CN110799546B (zh)
WO (1) WO2019042153A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA201991383A1 (ru) 2016-12-07 2019-12-30 Эйдженус Инк. Антитела против ctla-4 и способы их применения
HRP20230590T2 (hr) * 2018-07-31 2024-02-16 Pieris Pharmaceuticals Gmbh Novi fuzijski protein specifičan za cd137 i pd-l1
BR112021022135A2 (pt) * 2019-05-06 2023-02-28 Univ Brown Anticorpos biespecíficos contra chi3l1 e pd1 com efeitos citotóxicos mediados por célula t realçados sobre células de tumor
CN114206931A (zh) * 2019-09-30 2022-03-18 四川科伦博泰生物医药股份有限公司 抗pd-1抗体及其用途
US20230015590A1 (en) * 2019-12-04 2023-01-19 Jiangsu Alphamab Biopharmaceuticals Co., Ltd. Bispecific fusion protein for tumor treatment
WO2023143547A1 (zh) * 2022-01-30 2023-08-03 百奥泰生物制药股份有限公司 抗cd28抗体及其应用

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EA201500132A1 (ru) * 2012-07-13 2015-08-31 Роше Гликарт Аг Биспецифические антитела к vegf/ang-2 и их применение для лечения сосудистых глазных заболеваний
CN104974253A (zh) * 2014-04-01 2015-10-14 上海中信国健药业股份有限公司 抗ctla-4/pd-1双特异性抗体、其制备方法及应用
CN104987421A (zh) * 2015-05-13 2015-10-21 北京比洋生物技术有限公司 抗ctla-4和pd-1的双重可变结构域免疫球蛋白
WO2017106061A1 (en) * 2015-12-14 2017-06-22 Macrogenics, Inc. Bispecific molecules having immunoreactivity with pd-1 and ctla-4, and methods of use thereof
CN106967172A (zh) * 2016-08-23 2017-07-21 中山康方生物医药有限公司 抗ctla4‑抗pd‑1 双功能抗体、其药物组合物及其用途
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WO2018091739A1 (en) * 2016-11-21 2018-05-24 Alligator Bioscience Ab Bispecific polypeptides to gitr and ctla-4

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CN104974253A (zh) * 2014-04-01 2015-10-14 上海中信国健药业股份有限公司 抗ctla-4/pd-1双特异性抗体、其制备方法及应用
CN107108747A (zh) * 2015-01-08 2017-08-29 苏州康宁杰瑞生物科技有限公司 具有共同轻链的双特异性抗体或抗体混合物
CN104987421A (zh) * 2015-05-13 2015-10-21 北京比洋生物技术有限公司 抗ctla-4和pd-1的双重可变结构域免疫球蛋白
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CN106967172A (zh) * 2016-08-23 2017-07-21 中山康方生物医药有限公司 抗ctla4‑抗pd‑1 双功能抗体、其药物组合物及其用途
WO2018091739A1 (en) * 2016-11-21 2018-05-24 Alligator Bioscience Ab Bispecific polypeptides to gitr and ctla-4

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US20200216538A1 (en) 2020-07-09
EP3626745A1 (en) 2020-03-25
EP3626745A4 (en) 2021-03-17
WO2019042153A1 (zh) 2019-03-07
JP2020534791A (ja) 2020-12-03
US11421029B2 (en) 2022-08-23
JP7145895B2 (ja) 2022-10-03
KR20200041835A (ko) 2020-04-22
CN110799546B (zh) 2023-01-24

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