Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ANTIBODY BINDING TO HEPATITIS B VIRUS SURFACE ANTIGEN AND APPLICATION OF ANTIBODY
Document Type and Number:
WIPO Patent Application WO/2022/007955
Kind Code:
A1
Abstract:
Provided are an antibody or antigen-binding fragment thereof that specifically binds to hepatitis B virus surface antigen (HBsAg), a pharmaceutical composition containing the antibody or antigen-binding fragment, and use thereof. Further provided are a nucleic acid molecule encoding the antibody, a vector and a host cell containing the nucleic acid molecule, and a method for preparing the antibody.

Inventors:
XU ZHENG (CN)
CHANG HONGYAN (CN)
LI XIANG (CN)
SONG RUI (CN)
LIU YING (CN)
LI FENG (CN)
Application Number:
PCT/CN2021/105523
Publication Date:
January 13, 2022
Filing Date:
July 09, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BEIJING KAWIN TECH SHARE HOLDING CO LTD (CN)
International Classes:
C07K16/08; A61K39/395; A61P31/20; C07K16/00; C12N15/13
Domestic Patent References:
WO2019229699A12019-12-05
WO2019006162A12019-01-03
WO1993011161A11993-06-10
Foreign References:
CN103533929A2014-01-22
CN110105451A2019-08-09
EP0404097A21990-12-27
US5641870A1997-06-24
US8602269W1986-10-27
EP0173494A21986-03-05
US5585089A1996-12-17
Other References:
KEUN-SOO KIM, HYUN-JUNG KIM, BYUNG WOO HAN, PYUNG-KEUN MYUNG, HYO JEONG HONG: "Construction of a humanized antibody to hepatitis B surface antigen by specificity-determining residues (SDR)-grafting and de-immunization", BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, ELSEVIER, AMSTERDAM NL, vol. 396, no. 2, 1 May 2010 (2010-05-01), Amsterdam NL , pages 231 - 237, XP055590335, ISSN: 0006-291X, DOI: 10.1016/j.bbrc.2010.04.071
ZHOU BING; XIA LIN; ZHANG TIANYING; YOU MIN; HUANG YANG; HE MAOZHOU; SU RUOPENG; TANG JIXIAN; ZHANG JUAN; LI SHAOWEI; AN ZHIQIANG;: "Structure guided maturation of a novel humanized anti-HBV antibody and its preclinical development", ANTIVIRAL RESEARCH, ELSEVIER BV, NL, vol. 180, 12 March 2020 (2020-03-12), NL , XP086226152, ISSN: 0166-3542, DOI: 10.1016/j.antiviral.2020.104757
GUO YU, LIANG MI-FANG, BI SHENG-LI: "Development of Recombinant Human-Derived IgG Antibody Against HBsAg", CHINESE JOURNAL OF EXPERIMENTAL AND CLINICAL VIROLOGY, vol. 18, no. 2, 30 June 2004 (2004-06-30), XP055885598
WARD ET AL., NATURE, vol. 341, 1989, pages 544 - 546
BIRD ET AL., SCIENCE, vol. 242, 1988, pages 423 - 426
HUSTON ET AL., PNAS (USA, vol. 85, 1988, pages 5879 - 5883
HOLLINGER ET AL., PR°C. NATL. ACAD. SCI. USA, vol. 90, 1993, pages 6444 - 6448
ZAPATA ET AL., PROTEIN ENG, vol. 8, no. 10, 1995, pages 1057 - 1062
LEFRANC M.P.: "The IMGT unique numbering for immunoglobulins, T-cell receptors, and Ig-like domains", THE IMMUNOLOGIST, vol. 7, 1999, pages 132 - 136
KABAT ET AL.: "Sequences of Proteins of Immunological Interest", vol. 1-3, 1991
WU ET AL., J. BIOL. CHEM., vol. 262, 1987, pages 4429 - 4432
LANGER, SCIENCE, vol. 249, 1990, pages 1527 - 1533
TREAT ET AL.: "Liposomes in the Therapy of Infectious Disease and Cancer", 1989, LISS, pages: 353 - 365
SEFTON, CRC CRIT. REF. BIOMED. ENG, vol. 14, no. 201, 1987
"Medical Applications of Controlled Release", 1974, CRC PRESS
See also references of EP 4180456A4
Attorney, Agent or Firm:
BEIJING CAI HE LAW FIRM (CN)
Download PDF: