AU2021339978A1 - Single domain antibodies that target sars-cov-2 - Google Patents

Single domain antibodies that target sars-cov-2 Download PDF

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Publication number
AU2021339978A1
AU2021339978A1 AU2021339978A AU2021339978A AU2021339978A1 AU 2021339978 A1 AU2021339978 A1 AU 2021339978A1 AU 2021339978 A AU2021339978 A AU 2021339978A AU 2021339978 A AU2021339978 A AU 2021339978A AU 2021339978 A1 AU2021339978 A1 AU 2021339978A1
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AU
Australia
Prior art keywords
seq
cdr3
single domain
cdr2
amino acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2021339978A
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English (en)
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AU2021339978A9 (en
Inventor
Jiandong HUO
James Naismith
Raymond Owens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rosalind Franklin Institute
Original Assignee
Rosalind Franklin Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB2014451.5A external-priority patent/GB202014451D0/en
Priority claimed from GBGB2014453.1A external-priority patent/GB202014453D0/en
Priority claimed from GBGB2108319.1A external-priority patent/GB202108319D0/en
Application filed by Rosalind Franklin Institute filed Critical Rosalind Franklin Institute
Publication of AU2021339978A1 publication Critical patent/AU2021339978A1/en
Publication of AU2021339978A9 publication Critical patent/AU2021339978A9/en
Abandoned legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/14Antivirals for RNA viruses
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/08Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from viruses
    • C07K16/10RNA viruses
    • C07K16/102Coronaviridae (F)
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/08Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from viruses
    • C07K16/10RNA viruses
    • C07K16/102Coronaviridae (F)
    • C07K16/104Severe acute respiratory syndrome coronavirus 2 [SARS‐CoV‐2]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/569Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
    • G01N33/56983Viruses
    • 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
    • C07K2317/22Immunoglobulins specific features characterized by taxonomic origin from camelids, e.g. camel, llama or dromedary
    • 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
    • C07K2317/30Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/31Immunoglobulins specific features characterized by aspects of specificity or valency multispecific
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/30Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/35Valency
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/52Constant or Fc region; Isotype
    • 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
    • C07K2317/569Single domain, e.g. dAb, sdAb, VHH, VNAR or nanobody®
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/60Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
    • 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
    • C07K2317/92Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2333/00Assays involving biological materials from specific organisms or of a specific nature
    • G01N2333/005Assays involving biological materials from specific organisms or of a specific nature from viruses
    • G01N2333/08RNA viruses
    • G01N2333/165Coronaviridae, e.g. avian infectious bronchitis virus

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Virology (AREA)
  • Organic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Biophysics (AREA)
  • Urology & Nephrology (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • General Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Oncology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Communicable Diseases (AREA)
  • Microbiology (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Analytical Chemistry (AREA)
  • Biotechnology (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Cell Biology (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Peptides Or Proteins (AREA)
  • Pulmonology (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Medicinal Preparation (AREA)
AU2021339978A 2020-09-14 2021-09-14 Single domain antibodies that target sars-cov-2 Abandoned AU2021339978A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GB2014453.1 2020-09-14
GBGB2014451.5A GB202014451D0 (en) 2020-09-14 2020-09-14 Single domain antibodies
GB2014451.5 2020-09-14
GBGB2014453.1A GB202014453D0 (en) 2020-09-14 2020-09-14 Linker
GBGB2108319.1A GB202108319D0 (en) 2021-06-10 2021-06-10 Single domain antibodies
GB2108319.1 2021-06-10
PCT/GB2021/052383 WO2022053839A1 (en) 2020-09-14 2021-09-14 Single domain antibodies that target sars-cov-2

Publications (2)

Publication Number Publication Date
AU2021339978A1 true AU2021339978A1 (en) 2023-05-04
AU2021339978A9 AU2021339978A9 (en) 2024-10-10

Family

ID=77951755

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2021339978A Abandoned AU2021339978A1 (en) 2020-09-14 2021-09-14 Single domain antibodies that target sars-cov-2

Country Status (7)

Country Link
US (1) US20230374116A1 (https=)
EP (1) EP4211157A1 (https=)
JP (1) JP2023542107A (https=)
KR (1) KR20240102916A (https=)
AU (1) AU2021339978A1 (https=)
CA (1) CA3192456A1 (https=)
WO (1) WO2022053839A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116813759B (zh) * 2022-03-21 2025-11-28 中国科学院微生物研究所 纳米抗体r14的构建体及其应用
CN114736293B (zh) * 2022-06-14 2022-09-02 中国农业科学院生物技术研究所 SARS-CoV-2中和性纳米抗体、自组装铁蛋白融合纳米抗体及制备方法和应用
CN117603358B (zh) * 2023-02-24 2024-11-01 中国科学院微生物研究所 一种广谱新型冠状病毒的双特异性抗体
CN118255878A (zh) * 2024-04-15 2024-06-28 深圳细胞谷生物医药有限公司 SARS-CoV-2驼源纳米抗体或其抗原结合片段、及其组合物和应用
GB202413879D0 (en) 2024-09-20 2024-11-06 Rosalind Franklin Inst Single domain antibodies

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101911438B1 (ko) * 2012-10-31 2018-10-24 삼성전자주식회사 이중 특이 항원 결합 단백질 복합체 및 이중 특이 항체의 제조 방법

Also Published As

Publication number Publication date
WO2022053839A1 (en) 2022-03-17
EP4211157A1 (en) 2023-07-19
US20230374116A1 (en) 2023-11-23
KR20240102916A (ko) 2024-07-03
JP2023542107A (ja) 2023-10-05
AU2021339978A9 (en) 2024-10-10
CA3192456A1 (en) 2022-03-17

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SREP Specification republished
MK1 Application lapsed section 142(2)(a) - no request for examination in relevant period