CN113527488B - 一种靶向人程序性死亡配体1（pd-l1）的单可变域抗体及其衍生物 - Google Patents

一种靶向人程序性死亡配体1（pd-l1）的单可变域抗体及其衍生物

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Publication number
CN113527488B
CN113527488B CN202110433149.9A CN202110433149A CN113527488B CN 113527488 B CN113527488 B CN 113527488B CN 202110433149 A CN202110433149 A CN 202110433149A CN 113527488 B CN113527488 B CN 113527488B
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variable domain
single variable
domain antibody
gly
ser
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Chinese (zh)
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CN113527488A (zh
Inventor
王双
曾大地
焦莎莎
张畅
王荣娟
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Maiwei Shanghai Biotechnology Co ltd
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Maiwei Shanghai Biotechnology Co ltd
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    • 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 [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803—Immunoglobulins [IG], 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 [IG], 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
    • 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
    • C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/22—Immunoglobulins specific features characterized by taxonomic origin from camelids, e.g. camel, llama or dromedary
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/24—Immunoglobulins specific features characterized by taxonomic origin containing regions, domains or residues from different species, e.g. chimeric, humanized or veneered
    • 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
    • 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
    • C07K2317/569—Single domain, e.g. dAb, sdAb, VHH, VNAR or nanobody®
    • 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
    • C07K2317/92—Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
    • 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

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  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Biophysics (AREA)
  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Genetics & Genomics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
CN202110433149.9A 2020-04-22 2021-04-21 一种靶向人程序性死亡配体1（pd-l1）的单可变域抗体及其衍生物 Active CN113527488B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010324761 2020-04-22
CN2020103247618 2020-04-22

Publications (2)

Publication Number Publication Date
CN113527488A CN113527488A (zh) 2021-10-22
CN113527488B true CN113527488B (zh) 2026-04-17

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Country Status (5)

Country Link
US (1) US20230279115A1 (enExample)
EP (1) EP4144758A4 (enExample)
JP (1) JP2023523600A (enExample)
CN (1) CN113527488B (enExample)
WO (1) WO2021213435A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115505045A (zh) * 2021-06-23 2022-12-23 迈威(上海)生物科技股份有限公司 靶向lag-3和pd-l1的新型双特异抗体及其应用
CN113940997B (zh) * 2021-12-21 2022-04-08 迈威(上海)生物科技股份有限公司 一种双特异性抗体的稳定制剂
CN115925947B (zh) * 2022-09-27 2023-08-22 上海百英生物科技股份有限公司 一种亲和力成熟方法及抗人pd-l1单域抗体的亲和力成熟
CN120380023A (zh) * 2022-10-20 2025-07-25 基础应用医学研究基金会 用于癌症治疗的纳米抗体
CN117660358B (zh) * 2024-01-31 2024-05-14 青岛华赛伯曼医学细胞生物有限公司 表达分泌型融合蛋白的工程化免疫细胞及其应用
WO2025242206A1 (zh) * 2024-05-24 2025-11-27 苏州康宁杰瑞生物科技有限公司 基于pd-l1结合多肽的多功能分子

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Publication number Publication date
EP4144758A4 (en) 2024-05-15
WO2021213435A1 (zh) 2021-10-28
CN113527488A (zh) 2021-10-22
US20230279115A1 (en) 2023-09-07
EP4144758A1 (en) 2023-03-08
JP2023523600A (ja) 2023-06-06

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