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Title:
ANTI-B7-H4 ANTIBODY
Document Type and Number:
WIPO Patent Application WO/2018/021301
Kind Code:
A1
Abstract:
The purpose of the present invention is to produce a new anti-B7-H4 antibody which has high specificity/affinity, and to provide a composition for treating cancer that uses said antibody. A monoclonal antibody is newly prepared which bonds specifically to extracellular domain proteins of the human B7-H4 protein, and further, in order to strengthen the antibody-dependent cytotoxicity of said monoclonal antibody, an "anti-B7-H4 antibody/effector cell complex", obtained by bonding said monoclonal antibody and an effector cell, and a bispecific antibody, containing an antigen recognition region of said monoclonal antibody and an effector cell antigen recognition region, are prepared and used as the composition for treating cancer.

Inventors:
AKIYAMA YASUTO (JP)
IIZUKA AKIRA (JP)
Application Number:
PCT/JP2017/026847
Publication Date:
February 01, 2018
Filing Date:
July 25, 2017
Export Citation:
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Assignee:
SHIZUOKA PREFECTURE (JP)
International Classes:
C12N15/09; A61K39/395; A61P35/00; C07K16/28; C07K16/46; C12N5/0783; C12N5/20; G01N33/574
Domestic Patent References:
WO2014159835A12014-10-02
Foreign References:
JP2011505372A2011-02-24
JP2016509582A2016-03-31
JP2011505372A2011-02-24
JP2016509582A2016-03-31
JPH0322979A1991-01-31
JPH02227075A1990-09-10
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US4686191A1987-08-11
US4939094A1990-07-03
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Other References:
IIZUKA A. ET AL.: "Unstable B7-H4 cell surface expression and T- cell redirection as a means of cancer therapy", ONCOLOGY REPORTS, vol. 36, no. 5, 12 September 2016 (2016-09-12), pages 2625 - 2632, XP055589205
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"NCBI", Database accession no. NP 078902
"NCBI", Database accession no. AAF25807
"NCBI", Database accession no. NP_079515
Attorney, Agent or Firm:
HIROTA, Masanori (JP)
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