AU2020380072B2 - Epitope of regulatory T cell surface antigen, and antibody specifically binding thereto - Google Patents

Epitope of regulatory T cell surface antigen, and antibody specifically binding thereto

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Publication number
AU2020380072B2
AU2020380072B2 AU2020380072A AU2020380072A AU2020380072B2 AU 2020380072 B2 AU2020380072 B2 AU 2020380072B2 AU 2020380072 A AU2020380072 A AU 2020380072A AU 2020380072 A AU2020380072 A AU 2020380072A AU 2020380072 B2 AU2020380072 B2 AU 2020380072B2
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Australia
Prior art keywords
antibody
lrig
cancer
protein
present
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AU2020380072A
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AU2020380072A1 (en
Inventor
Beom Seok Kim
Jung Ho Kim
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Good T Cells Inc
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Good T Cells Inc
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    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • 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
    • A61K39/0005—Vertebrate antigens
    • A61K39/0011—Cancer antigens
    • 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
    • A61K39/395—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • 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
    • A61K47/68—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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • 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
    • A61K47/68—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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
    • C07K14/70503—Immunoglobulin superfamily
    • 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
    • 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
    • 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
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • 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
    • G01N33/6854—Immunoglobulins
    • G01N33/6857—Antibody fragments
    • 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
    • C07K2317/21—Immunoglobulins specific features characterized by taxonomic origin from primates, e.g. man
    • 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
    • C07K2317/34—Identification of a linear epitope shorter than 20 amino acid residues or of a conformational epitope defined by amino acid residues
    • 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
    • C07K2317/565—Complementarity determining region [CDR]
    • 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
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
    • G01N2333/435—Assays involving biological materials from specific organisms or of a specific nature from animals; from humans
    • G01N2333/705—Assays involving receptors, cell surface antigens or cell surface determinants
    • G01N2333/70503—Immunoglobulin superfamily, e.g. VCAMs, PECAM, LFA-3

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Genetics & Genomics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Epidemiology (AREA)
  • Microbiology (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Biotechnology (AREA)
  • Zoology (AREA)
  • Cell Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Mycology (AREA)
  • Psychiatry (AREA)
  • Hospice & Palliative Care (AREA)
  • Plant Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
AU2020380072A 2019-11-08 2020-11-09 Epitope of regulatory T cell surface antigen, and antibody specifically binding thereto Active AU2020380072B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2019-0142251 2019-11-08
KR20190142251 2019-11-08
PCT/KR2020/015656 WO2021091359A1 (ko) 2019-11-08 2020-11-09 조절 t 세포 표면 항원의 에피토프 및 이에 특이적으로 결합하는 항체

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2026201381A Division AU2026201381A1 (en) 2019-11-08 2026-02-24 Epitope of regulatory T cell surface antigen, and antibody specifically binding thereto

Publications (2)

Publication Number Publication Date
AU2020380072A1 AU2020380072A1 (en) 2022-05-19
AU2020380072B2 true AU2020380072B2 (en) 2025-11-27

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AU2020380072A Active AU2020380072B2 (en) 2019-11-08 2020-11-09 Epitope of regulatory T cell surface antigen, and antibody specifically binding thereto

Country Status (9)

Country Link
US (1) US20250243272A1 (https=)
EP (1) EP4056586A4 (https=)
JP (1) JP2023500248A (https=)
KR (1) KR102488967B1 (https=)
CN (1) CN114929733A (https=)
AU (1) AU2020380072B2 (https=)
BR (1) BR112022008730A2 (https=)
CA (1) CA3156600A1 (https=)
WO (1) WO2021091359A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102302393B1 (ko) * 2018-10-17 2021-09-16 주식회사 굳티셀 Lrig-1 단백질에 특이적인 결합 분자 및 이의 용도
CN117716238A (zh) * 2021-07-16 2024-03-15 古德T细胞有限公司 调节性t细胞表面抗原的表位及其特异性结合的抗体
US20250018033A1 (en) * 2021-11-24 2025-01-16 Regcell Co., Ltd. Human inducibility controllable t-cell and method for preparing same
KR20240115192A (ko) * 2023-01-17 2024-07-25 주식회사 굳티셀 조절 t 세포 표면 항원 및 이에 특이적으로 결합하는 항체
CN120882739A (zh) * 2023-03-10 2025-10-31 古德T细胞有限公司 调节性t细胞表面抗原的表位，以及特异性结合该表位的抗体

Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2018194381A1 (ko) * 2017-04-18 2018-10-25 주식회사 굳티셀 Lrig-1 단백질에 특이적인 결합 분자 및 이의 용도
WO2019165233A1 (en) * 2018-02-23 2019-08-29 Immutics, Inc. Treating cancer by blocking the interaction of vista and its binding partner

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Publication number Priority date Publication date Assignee Title
WO2011066048A1 (en) * 2009-10-22 2011-06-03 Thomas Jefferson University Cell-based anti-cancer compositions and methods of making and using the same
KR101847523B1 (ko) * 2011-01-24 2018-05-28 연세대학교 산학협력단 조절자 Ｔ 세포에 특이적으로 존재하는 새로운 표면단백질 Ｌｒｉｇ-1의 용도
DE102016123859B3 (de) * 2016-12-08 2018-03-01 Immatics Biotechnologies Gmbh Neue T-Zellrezeptoren und deren Verwendung in Immuntherapie
KR20180116925A (ko) * 2017-04-18 2018-10-26 주식회사 굳티셀 암 또는 면역 질환의 예방 또는 치료용 약학 조성물
KR20180116924A (ko) * 2017-04-18 2018-10-26 주식회사 굳티셀 면역 세포 표면 단백질의 항원 결정기인 폴리펩티드
KR101959237B1 (ko) * 2018-02-26 2019-03-20 주식회사 굳티셀 조절자 Ｔ 세포에 특이적으로 존재하는 새로운 표면단백질 Ｌｒｉｇ-1의 용도
KR102194644B1 (ko) * 2018-04-26 2020-12-24 주식회사 굳티셀 신규한 융합 단백질 및 이를 포함하는 암의 예방 또는 치료용 약학적 조성물

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018194381A1 (ko) * 2017-04-18 2018-10-25 주식회사 굳티셀 Lrig-1 단백질에 특이적인 결합 분자 및 이의 용도
WO2019165233A1 (en) * 2018-02-23 2019-08-29 Immutics, Inc. Treating cancer by blocking the interaction of vista and its binding partner

Also Published As

Publication number Publication date
EP4056586A1 (en) 2022-09-14
CA3156600A1 (en) 2021-05-14
KR102488967B1 (ko) 2023-01-16
KR20210056280A (ko) 2021-05-18
WO2021091359A1 (ko) 2021-05-14
AU2020380072A1 (en) 2022-05-19
BR112022008730A2 (pt) 2022-07-19
CN114929733A (zh) 2022-08-19
EP4056586A4 (en) 2024-04-10
JP2023500248A (ja) 2023-01-05
US20250243272A1 (en) 2025-07-31

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