CN114729033A - 抗α-溶血素的抗体及其应用 - Google Patents

抗α-溶血素的抗体及其应用 Download PDF

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CN114729033A
CN114729033A CN202080079468.8A CN202080079468A CN114729033A CN 114729033 A CN114729033 A CN 114729033A CN 202080079468 A CN202080079468 A CN 202080079468A CN 114729033 A CN114729033 A CN 114729033A
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seq
amino acid
acid sequence
antibody
hemolysin
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CN114729033B (zh
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安毛毛
王骊淳
高攀
林鉴
姜远英
慎慧
陈思敏
郭诗雨
方玮
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Maiwei Shanghai Biotechnology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/12Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria
    • C07K16/1267Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-positive bacteria
    • C07K16/1271Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-positive bacteria from Micrococcaceae (F), e.g. Staphylococcus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04Antibacterial agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/505Medicinal preparations containing antigens or antibodies comprising antibodies
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/20Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/24Immunoglobulins specific features characterized by taxonomic origin containing regions, domains or residues from different species, e.g. chimeric, humanized or veneered
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/565Complementarity determining region [CDR]
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/70Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/76Antagonist effect on antigen, e.g. neutralization or inhibition of binding
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/90Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/90Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/92Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2319/00Fusion polypeptide

Abstract

提供了一种结合金黄色葡萄球菌α‑溶血素的抗体或其片段,以及所述抗体或其片段用于预防或治疗金黄色葡萄球菌感染的用途。所述抗体通过α‑溶血素的弱毒免疫、强毒筛选的策略筛选得到,对α‑溶血素具有高亲和力,能够有效阻断α‑溶血素的溶血作用,且在α‑溶血素脓毒症模型、MRSA菌血症模型和MRSA肺部感染模型中均证明了显著的保护或治疗作用,且与抗生素具有协同作用,是对金黄色葡萄球菌现有抗生素疗法的有利补充。

Description

PCT国内申请,说明书已公开。

Claims (22)

  1. PCT国内申请,权利要求书已公开。
CN202080079468.8A 2019-09-20 2020-09-18 抗α-溶血素的抗体及其应用 Active CN114729033B (zh)

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CN201910889697.5A CN112538112B (zh) 2019-09-20 2019-09-20 抗α-溶血素的抗体及其应用
CN2019108896975 2019-09-20
PCT/CN2020/116184 WO2021052461A1 (zh) 2019-09-20 2020-09-18 抗α-溶血素的抗体及其应用

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EP (1) EP4032904A4 (zh)
JP (1) JP2022548937A (zh)
CN (2) CN112538112B (zh)
AU (1) AU2020348817A1 (zh)
CA (1) CA3151773A1 (zh)
TW (1) TW202126684A (zh)
WO (1) WO2021052461A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116789814A (zh) * 2023-06-27 2023-09-22 重庆原伦生物科技有限公司 一种特异性结合金黄色葡萄球菌α-溶血素的抗体及其应用

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021233408A1 (zh) * 2020-05-21 2021-11-25 迈威(上海)生物科技股份有限公司 抗α-溶血素的抗体及其稳定制剂
WO2023208123A1 (zh) * 2022-04-28 2023-11-02 珠海泰诺麦博制药股份有限公司 特异性结合金黄色葡萄球菌Hla毒素的全人源单克隆抗体
CN117126282B (zh) * 2023-10-26 2024-01-12 迈威(上海)生物科技股份有限公司 抗体及其在制备阻断αvβ8与Latent TGF-β的结合的药物中的应用

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102549013A (zh) * 2009-08-10 2012-07-04 肯塔生物技术有限公司 针对金黄色葡萄球菌衍生的α-毒素的人单克隆抗体及其在治疗或预防脓肿形成中的用途
US20140286960A1 (en) * 2011-07-28 2014-09-25 Cangene Corporation Staphlococcus aureus alpha-hemolysin antibodies
CN105367632A (zh) * 2015-11-13 2016-03-02 长春百克生物科技股份公司 两种金黄色葡萄球菌蛋白抗原及其制备和应用
US20180214569A1 (en) * 2017-01-03 2018-08-02 Regeneron Pharmaceuticals, Inc. Human Antibodies to S. Aureus Hemolysin A Toxin
CN109400704A (zh) * 2018-11-14 2019-03-01 珠海泰诺麦博生物技术有限公司 一种抗金黄色葡萄球菌α-溶血素的抗体及其应用
CN112316135A (zh) * 2012-11-06 2021-02-05 米迪缪尼有限公司 治疗金黄色葡萄球菌相关疾病的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101466406B (zh) * 2006-06-12 2012-06-27 葛兰素史密斯克蓝生物品公司 α-毒素在治疗和预防葡萄球菌感染上的用途
EP2185190B1 (en) * 2007-08-31 2015-06-24 University Of Chicago Methods and compositions related to immunizing against staphylococcal lung diseases and conditions
RS58190B2 (sr) 2011-02-08 2021-08-31 Medimmune Llc Antitela koja specifično vezuju staphylococcus aureus alfa toksin i postupci njihove primene
CN104968797B (zh) * 2012-11-06 2018-11-30 米迪缪尼有限公司 金黄色葡萄球菌表面决定簇的抗体
CN109705213B (zh) * 2018-12-04 2023-04-18 上海长征医院 抗金黄色葡萄球菌毒素抗体及其用途

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102549013A (zh) * 2009-08-10 2012-07-04 肯塔生物技术有限公司 针对金黄色葡萄球菌衍生的α-毒素的人单克隆抗体及其在治疗或预防脓肿形成中的用途
US20140286960A1 (en) * 2011-07-28 2014-09-25 Cangene Corporation Staphlococcus aureus alpha-hemolysin antibodies
CN112316135A (zh) * 2012-11-06 2021-02-05 米迪缪尼有限公司 治疗金黄色葡萄球菌相关疾病的方法
CN105367632A (zh) * 2015-11-13 2016-03-02 长春百克生物科技股份公司 两种金黄色葡萄球菌蛋白抗原及其制备和应用
US20180214569A1 (en) * 2017-01-03 2018-08-02 Regeneron Pharmaceuticals, Inc. Human Antibodies to S. Aureus Hemolysin A Toxin
CN110167960A (zh) * 2017-01-03 2019-08-23 瑞泽恩制药公司 针对金黄色葡萄球菌溶血素a毒素的人类抗体
CN109400704A (zh) * 2018-11-14 2019-03-01 珠海泰诺麦博生物技术有限公司 一种抗金黄色葡萄球菌α-溶血素的抗体及其应用

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116789814A (zh) * 2023-06-27 2023-09-22 重庆原伦生物科技有限公司 一种特异性结合金黄色葡萄球菌α-溶血素的抗体及其应用
CN116789814B (zh) * 2023-06-27 2024-03-29 重庆原伦生物科技有限公司 一种特异性结合金黄色葡萄球菌α-溶血素的抗体及其应用

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CA3151773A1 (en) 2021-03-25
WO2021052461A1 (zh) 2021-03-25
CN114729033B (zh) 2023-11-28
CN112538112B (zh) 2023-10-27
TW202126684A (zh) 2021-07-16
US20220324949A1 (en) 2022-10-13
AU2020348817A1 (en) 2022-04-21
EP4032904A1 (en) 2022-07-27
CN112538112A (zh) 2021-03-23
JP2022548937A (ja) 2022-11-22
EP4032904A4 (en) 2024-01-24

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