CN115947846A - 一种抗pd-l1纳米抗体及其衍生物和用途 - Google Patents

一种抗pd-l1纳米抗体及其衍生物和用途 Download PDF

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CN115947846A
CN115947846A CN202211164309.5A CN202211164309A CN115947846A CN 115947846 A CN115947846 A CN 115947846A CN 202211164309 A CN202211164309 A CN 202211164309A CN 115947846 A CN115947846 A CN 115947846A
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nanobody
amino acid
seq
acid sequence
protein
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徐祎凤
翟天航
袁志军
曾竣玮
孙左宇
黄威峰
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Biotheus Inc
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Biotheus Inc
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal 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
    • A61K47/51—Medicinal 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
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    • A61K47/6835—Medicinal 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 the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site
    • A61K47/6849—Medicinal 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 the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a receptor, a cell surface antigen or a cell surface determinant
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    • A61K47/50—Medicinal 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
    • A61K47/51—Medicinal 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
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    • A61K47/6801—Drug-antibody or immunoglobulin conjugates defined by the pharmacologically or therapeutically active agent
    • A61K47/6803—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates
    • A61K47/6811—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates the drug being a protein or peptide, e.g. transferrin or bleomycin
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    • A61P35/02—Antineoplastic agents specific for leukemia
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    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
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    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
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    • 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
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    • 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
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    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K2039/505—Medicinal preparations containing antigens or antibodies comprising antibodies
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    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/34—Identification of a linear epitope shorter than 20 amino acid residues or of a conformational epitope defined by amino acid residues
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    • C07—ORGANIC CHEMISTRY
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    • 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]
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    • 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
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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
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
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    • C07—ORGANIC CHEMISTRY
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    • C07K2319/00—Fusion polypeptide
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    • G01N2333/705—Assays involving receptors, cell surface antigens or cell surface determinants
    • G01N2333/70503—Immunoglobulin superfamily, e.g. VCAMs, PECAM, LFA-3
    • G01N2333/70532—B7 molecules, e.g. CD80, CD86

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CN117264054A (zh) * 2023-11-21 2023-12-22 中国人民解放军军事科学院军事医学研究院 靶向il-6的纳米抗体、组合物、方法及用途
CN118324913A (zh) * 2023-04-20 2024-07-12 康立泰生物医药(青岛)有限公司 一种抗pd-l1纳米抗体及其制备方法和应用
CN119234000A (zh) * 2023-09-25 2024-12-31 深圳湾实验室 可激活穿膜构建体和降解子
WO2025066568A1 (zh) * 2023-09-25 2025-04-03 深圳湾实验室 可激活穿膜构建体和降解子
CN121405810A (zh) * 2025-12-26 2026-01-27 首都医科大学 一种靶向人和食蟹猴pd-l1交叉结合的单域抗体及其应用

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CN115947846A (zh) 2019-09-12 2023-04-11 普米斯生物技术(珠海)有限公司 一种抗pd-l1纳米抗体及其衍生物和用途
CN113461824A (zh) * 2020-03-31 2021-10-01 普米斯生物技术(珠海)有限公司 一种构建多特异性抗体的平台
CN115884989A (zh) * 2020-08-31 2023-03-31 杭州九源基因工程有限公司 靶向PD-L1和TGFβ的双功能融合蛋白及其制备方法与应用
CN114106190B (zh) * 2020-08-31 2025-04-08 普米斯生物技术(珠海)有限公司 一种抗vegf/pd-l1双特异性抗体及其用途
CN114195900B (zh) 2020-09-17 2024-02-23 普米斯生物技术(珠海)有限公司 一种抗4-1bb/pd-l1双特异性抗体及其用途
CN115124625B (zh) * 2021-03-24 2024-11-26 圣安生医股份有限公司 免疫调节及抗肿瘤相关纳米抗体、其核酸编码序列及应用
US11685784B2 (en) * 2021-03-24 2023-06-27 China Medical University Hospital Anti-immune-checkpoint nanobody and nucleic acid encoding sequence thereof, and uses of the same
CN117098780A (zh) * 2021-04-26 2023-11-21 天境生物科技(上海)有限公司 单域pd-l1抗体
WO2022228431A1 (zh) * 2021-04-27 2022-11-03 上海君实生物医药科技股份有限公司 抗pd-l1单域抗体及其用途
CN114773485B (zh) * 2021-05-11 2024-05-17 江苏先声药业有限公司 抗人PD-L1抗体和TGFβRII的双功能融合蛋白分子
TWI833227B (zh) * 2021-05-28 2024-02-21 大陸商和鉑醫藥（上海）有限責任公司 靶向pd-l1和cd73的特異性結合蛋白及其應用
CN116547006B (zh) * 2021-08-06 2024-09-20 贝达药业股份有限公司 抗pd-l1纳米抗体及其应用
CN116135884A (zh) * 2021-11-17 2023-05-19 普米斯生物技术(珠海)有限公司 抗tigit-抗pd-l1双特异性抗体、其药物组合物及用途
CN116410314A (zh) * 2021-12-31 2023-07-11 博生吉医药科技(苏州)有限公司 一种新型pdl1单域抗体的开发
CN114349861B (zh) * 2022-01-06 2023-07-07 华汤思圆 一种抗pd1纳米抗体及其制备方法和应用
CN114395046B (zh) * 2022-01-10 2023-06-23 宁夏医科大学 一种抗pd-1的纳米抗体、编码基因、重组纳米抗体、重组载体、重组菌株和应用
CN115433281B (zh) * 2022-05-27 2023-09-12 华兰基因工程有限公司 一种抗pd-l1的人源化纳米抗体及其应用
CN117186223B (zh) * 2022-05-31 2024-08-09 明济生物制药（北京）有限公司 抗pd-l1抗体及编码其的核酸、制备方法和应用
WO2024036184A2 (en) * 2022-08-10 2024-02-15 International Aids Vaccine Initiative A human vh-based scaffold for the production of single domain antibodies and their use

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