CN111615521A - 抗pd-l1/抗cd47天然抗体结构样异源二聚体形式双特异抗体及其制备 - Google Patents

抗pd-l1/抗cd47天然抗体结构样异源二聚体形式双特异抗体及其制备 Download PDF

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CN111615521A
CN111615521A CN201880070773.3A CN201880070773A CN111615521A CN 111615521 A CN111615521 A CN 111615521A CN 201880070773 A CN201880070773 A CN 201880070773A CN 111615521 A CN111615521 A CN 111615521A
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chain
substitution
antigen
bispecific antibody
cells
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刘家望
杨亚平
宋楠萌
金孟燮
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Beijing Hanmi Pharmaceutical 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 [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
    • 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
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/46—Hybrid immunoglobulins
    • C07K16/468—Immunoglobulins having two or more different antigen binding sites, e.g. multifunctional antibodies
    • 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
    • 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
    • C07K2317/10—Immunoglobulins specific features characterized by their source of isolation or production
    • 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
    • C07K2317/55—Fab or Fab'
    • 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
    • C07K2317/60—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

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Preparation Of Compounds By Using Micro-Organisms (AREA)
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Abstract

提供了一种具有天然IgG特点、并且没有重轻链错配的高度稳定的异源二聚体形式的抗PD‑L1/抗CD47双特异抗体及其制备方法，其中双特异抗体的第一Fc链和第二Fc链中的任意一条在366位及399位上包含氨基酸替换，另一条在351位、407位及409位上包含氨基酸替换。

Description

PCT国内申请，说明书已公开。

Claims (34)

  1. PCT国内申请，权利要求书已公开。
CN201880070773.3A 2017-12-04 2018-12-01 抗pd-l1/抗cd47天然抗体结构样异源二聚体形式双特异抗体及其制备 Pending CN111615521A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2017112618808 2017-12-04
CN201711261880 2017-12-04
PCT/CN2018/118800 WO2019109876A1 (zh) 2017-12-04 2018-12-01 抗pd‐l1/抗cd47天然抗体结构样异源二聚体形式双特异抗体及其制备

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CN111615521A true CN111615521A (zh) 2020-09-01

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US (1) US11739151B2 (zh)
EP (1) EP3722322A4 (zh)
JP (1) JP7231641B2 (zh)
KR (1) KR20200093639A (zh)
CN (1) CN111615521A (zh)
AU (1) AU2018378529A1 (zh)
BR (1) BR112020011295A2 (zh)
CA (1) CA3084626A1 (zh)
EA (1) EA202091364A1 (zh)
IL (1) IL275135A (zh)
MX (1) MX2020005792A (zh)
SG (1) SG11202005216XA (zh)
WO (1) WO2019109876A1 (zh)
ZA (1) ZA202003382B (zh)

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MX2019003563A (es) * 2016-09-29 2019-08-12 Beijing Hanmi Pharmaceutical Co Ltd Construcciones de inmunoglobulina heterodimericas y metodos de preparacion de las mismas.
JP7031810B2 (ja) 2016-11-18 2022-03-08 ベイジン・ハンミ・ファーマシューティカル・カンパニー・リミテッド 抗ｐｄ－１／抗ｈｅｒ２天然抗体構造形態のヘテロダイマー系二重特異性抗体及びその製造方法
WO2019153200A1 (zh) 2018-02-08 2019-08-15 北京韩美药品有限公司 抗pd-1/抗her2天然抗体结构样异源二聚体形式双特异抗体及其制备
IL293926A (en) 2019-12-17 2022-08-01 Pfizer Antibodies unique to d47, pd-l1 and their uses
TW202132351A (zh) * 2020-02-28 2021-09-01 大陸商南京聖和藥業股份有限公司 抗cd47/抗pd-l1抗體及其應用
US10894812B1 (en) 2020-09-30 2021-01-19 Alpine Roads, Inc. Recombinant milk proteins
EP4222167A1 (en) 2020-09-30 2023-08-09 Nobell Foods, Inc. Recombinant milk proteins and food compositions comprising the same
US10947552B1 (en) 2020-09-30 2021-03-16 Alpine Roads, Inc. Recombinant fusion proteins for producing milk proteins in plants
KR20230083300A (ko) * 2020-10-07 2023-06-09 셀진 코포레이션 림프계 악성 신생물 병태의 이중특이성 항체 치료
US20230406921A1 (en) * 2020-11-12 2023-12-21 Mabwell (shanghai) Bioscience Co., Ltd. Antibody and preparation method therefor
JP2024503396A (ja) * 2021-01-08 2024-01-25 北京韓美薬品有限公司 Ｃｄ４７と特異的に結合する抗体及びその抗原結合フラグメント
IL305828A (en) * 2021-03-22 2023-11-01 Novimmune Sa Bispecific antibodies targeting CD47 and PD-L1 and methods of using them
CA3219221A1 (en) * 2021-05-07 2022-11-10 Immuneoncia Therapeutics, Inc. Bispecific antibody specifically binding to cd47 and pd-l1
CN115702931A (zh) * 2021-08-06 2023-02-17 百奥泰生物制药股份有限公司 抗pd-l1/cd47双特异抗体在治疗疾病中的应用
WO2023140950A1 (en) * 2022-01-18 2023-07-27 Fbd Biologics Limited Cd47/pd-l1-targeting protein complex and methods of use thereof

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CN103429620A (zh) * 2010-11-05 2013-12-04 酵活有限公司 在Fc结构域中具有突变的稳定异源二聚的抗体设计
WO2016023001A1 (en) * 2014-08-08 2016-02-11 The Board Of Trustees Of The Leland Stanford Junior University Multispecific high affinity pd-1 agents and methods of use
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022148411A1 (zh) * 2021-01-08 2022-07-14 北京韩美药品有限公司 抗pd-l1/抗cd47天然抗体结构样异源二聚体形式双特异抗体及其制备

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IL275135A (en) 2020-07-30
BR112020011295A2 (pt) 2020-11-24
EA202091364A1 (ru) 2020-10-13
US11739151B2 (en) 2023-08-29
SG11202005216XA (en) 2020-07-29
WO2019109876A1 (zh) 2019-06-13
US20210230277A1 (en) 2021-07-29
ZA202003382B (en) 2021-06-30
EP3722322A1 (en) 2020-10-14
JP7231641B2 (ja) 2023-03-01
JP2021505195A (ja) 2021-02-18
KR20200093639A (ko) 2020-08-05
CA3084626A1 (en) 2019-06-13
EP3722322A4 (en) 2021-09-15
MX2020005792A (es) 2020-11-06
AU2018378529A1 (en) 2020-06-18

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Application publication date: 20200901