CN114206926A - 抗PDL1和TGFβ的双功能融合蛋白及其用途 - Google Patents

抗PDL1和TGFβ的双功能融合蛋白及其用途 Download PDF

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CN114206926A
CN114206926A CN202080000954.6A CN202080000954A CN114206926A CN 114206926 A CN114206926 A CN 114206926A CN 202080000954 A CN202080000954 A CN 202080000954A CN 114206926 A CN114206926 A CN 114206926A
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antibody
antigen
binding fragment
seq
cancer
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CN114206926B (zh
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宋德勇
徐洪光
韩镇
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Shandong Boan Biotechnology Co Ltd
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Shandong Boan Biotechnology Co Ltd
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    • C07—ORGANIC CHEMISTRY
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    • 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
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
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    • C07K16/22—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against growth factors ; against growth regulators
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    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
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    • 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
    • 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
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    • G01N33/574—Immunoassay; Biospecific binding assay; Materials therefor for cancer
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    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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    • A01K2227/10—Mammal
    • A01K2227/105—Murine
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K2267/00—Animals characterised by purpose
    • A01K2267/03—Animal model, e.g. for test or diseases
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    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
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    • C07—ORGANIC CHEMISTRY
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    • 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
    • C07K2317/60—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)
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    • 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
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    • C07—ORGANIC CHEMISTRY
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    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/92—Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
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    • C07K2319/00—Fusion polypeptide
    • C07K2319/32—Fusion polypeptide fusions with soluble part of a cell surface receptor, "decoy receptors"

Abstract

本发明涉及抗PDL1抗体及其抗原结合片段，还涉及抗PDL1和TGFβ的双功能融合蛋白及其制备方法和用途。本发明提供的抗体或抗原结合片段或双功能融合蛋白具有以下功能中的一种或多种优势：增强的TGFβ1结合活性、增强的PDL1亲和力、增强的阻断PDL1和PD1结合的能力、增强的阻断TGFβ1功能活性、增强的促进T细胞分泌IFN‑γ的能力、更好的免疫调节效果、更好的肿瘤抑瘤效果。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN202080000954.6A 2019-06-10 2020-06-08 抗PDL1和TGFβ的双功能融合蛋白及其用途 Active CN114206926B (zh)

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CN201910497064 2019-06-10
CN201910497064X 2019-06-10
CN201910497723 2019-06-10
CN201910497723X 2019-06-10
PCT/CN2020/094855 WO2020248926A1 (zh) 2019-06-10 2020-06-08 抗PDL1和TGFβ的双功能融合蛋白及其用途

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EP3990116A1 (en) * 2019-06-28 2022-05-04 Gensun Biopharma Inc. ANTITUMOR ANTAGONIST CONSISTING OF A MUTATED TGFß1 - RII EXTRACELLULAR DOMAIN AND AN IMMUNOGLOBULIN SCAFFOLD
CN115175942A (zh) * 2020-02-25 2022-10-11 上海药明生物技术有限公司 一种双功能融合蛋白及其用途
WO2023009891A2 (en) * 2021-07-30 2023-02-02 Janssen Biotech, Inc. Materials and methods of making or using il-23r binding proteins
CN116063526A (zh) * 2022-12-31 2023-05-05 合肥天港免疫药物有限公司 抗pdl1的抗体及其用途

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KR101573109B1 (ko) * 2009-11-24 2015-12-01 메디뮨 리미티드 Ｂ７―ｈ１에 대한 표적화된 결합 물질
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CN115093480A (zh) * 2012-05-31 2022-09-23 索伦托药业有限公司 与pd-l1结合的抗原结合蛋白
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JP2022528007A (ja) 2022-06-07
CN114206926B (zh) 2022-06-17
JP7297090B2 (ja) 2023-06-23
AU2020290119A1 (en) 2021-10-07
EP3929215A4 (en) 2022-06-22
BR112021024820A2 (pt) 2022-01-25
EP3929215A1 (en) 2021-12-29
KR20220007118A (ko) 2022-01-18
WO2020248926A1 (zh) 2020-12-17
US20220213195A1 (en) 2022-07-07

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