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1. WO2020067541 - ANTIBODY COMPOSITION

Publication Number WO/2020/067541
Publication Date 02.04.2020
International Application No. PCT/JP2019/038421
International Filing Date 27.09.2019
IPC
C12N 15/13 2006.01
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
11DNA or RNA fragments; Modified forms thereof
12Genes encoding animal proteins
13Immunoglobulins
A61K 39/395 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
39Medicinal preparations containing antigens or antibodies
395Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
A61P 43/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
43Drugs for specific purposes, not provided for in groups A61P1/-A61P41/108
C07K 16/28 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins, e.g. monoclonal or polyclonal antibodies
18against material from animals or humans
28against receptors, cell surface antigens or cell surface determinants
C07K 16/46 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins, e.g. monoclonal or polyclonal antibodies
46Hybrid immunoglobulins
C12N 1/15 2006.01
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
1Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
14Fungi ; Culture media therefor
15modified by introduction of foreign genetic material
CPC
A61K 39/395
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
39Medicinal preparations containing antigens or antibodies
395Antibodies
A61P 43/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
43Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
C07K 16/28
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
18against material from animals or humans
28against receptors, cell surface antigens or cell surface determinants
C07K 16/46
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
46Hybrid immunoglobulins
C12N 15/63
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
C12N 5/10
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
5Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor;
10Cells modified by introduction of foreign genetic material ; Not used, see subgroups
Applicants
  • 協和キリン株式会社 KYOWA KIRIN CO., LTD. [JP]/[JP]
Inventors
  • 丹羽 倫平 NIWA Rinpei
  • 宇佐美 克明 USAMI Katsuaki
Agents
  • 特許業務法人栄光特許事務所 Eikoh Patent Firm, P.C.
Priority Data
2018-18536728.09.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ANTIBODY COMPOSITION
(FR) COMPOSITION D'ANTICORPS
(JA) 抗体組成物
Abstract
(EN)
The purpose of the present invention is to provide an antibody composition which more selectively exhibits an effector function to damage target cells expressing two different types of antigen, and which is capable of retaining sufficiently high affinity for the individual target antigens. This invention is an antibody composition against a first antigen and a second antigen, which are different from each other, the composition being formed from a first IgG halfmer and a second IgG halfmer.
(FR)
L'objectif de la présente invention est de fournir une composition d'anticorps qui exerce de manière plus sélective une fonction effectrice pour endommager des cellules cibles exprimant deux types différents d'antigène, et qui est capable de conserver une affinité suffisamment élevée pour les antigènes cibles individuels. La présente invention concerne une composition d'anticorps contre un premier antigène et un second antigène, qui sont différents l'un de l'autre, cette composition étant formée à partir d'un premier demi-produit d'IgG et d'un second demi-produit d'IgG.
(JA)
本発明は、互いに異なる二種の抗原を共発現する標的細胞に対してより選択的にエフェクター機能を発揮し傷害するとともに、個々の標的抗原に対する親和性を充分高く維持し得る抗体組成物を提供することを目的とする。本発明は、第1のIgG半量体と第2のIgG半量体とからなる、互いに異なる第1の抗原及び第2の抗原に対する抗体組成物に関する。
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