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Title:
CHIMERIC ANTIGEN RECEPTOR MOLECULE FOR SPECIFICALLY RECOGNIZING BAFF-R AND APPLICATION OF CHIMERIC ANTIGEN RECEPTOR MOLECULE
Document Type and Number:
WIPO Patent Application WO/2022/242710
Kind Code:
A1
Abstract:
The present application discloses a chimeric antigen receptor molecule for specifically recognizing BAFF-R, a nucleic acid encoding the receptor molecule, an engineered immune effector cell comprising the receptor molecule, a pharmaceutical composition, and a use thereof. The receptor molecule comprises a structural domain that specifically recognizes the BAFF-R and an activation stimulation structural domain, and can activate a downstream signal path after specifically recognizing and binding the BAFF-R, thereby causing, promoting or improving an immune response reaction for the BAFF-R, and finally achieving the purpose of treating or preventing diseases caused by B cell BAFF-BAFF-R signal path imbalance.

Inventors:
ZHANG XINMIN (CN)
NIAN WEIHONG (CN)
XU CHUANYING (CN)
HE FENG (CN)
ZHOU QING (CN)
ZHANG JIANBING (CN)
Application Number:
PCT/CN2022/093782
Publication Date:
November 24, 2022
Filing Date:
May 19, 2022
Export Citation:
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Assignee:
SHANGHAI ESCUGEN BIOTECHNOLOGY CO LTD (CN)
GUANGZHOU YINNUOLAI BIOTECHNOLOGY CO LTD (CN)
International Classes:
C07K16/24; A61K35/17; A61P35/00; C12N5/10; C12N15/13
Domestic Patent References:
WO2021168169A12021-08-26
WO2021163989A12021-08-26
WO1993011161A11993-06-10
Foreign References:
CN101851291A2010-10-06
CN112292137A2021-01-29
US20190201442A12019-07-04
EP0404097A21990-12-27
US5641870A1997-06-24
US20210261676A12021-08-26
Other References:
DONG ZHENYUAN; CHENG WESLEY A.; SMITH D. LYNNE; HUANG BRIAN; ZHANG TIANTIAN; CHANG WEN-CHUNG; WANG XIULI; FORMAN STEPHEN J.; KWAK : "Antitumor efficacy of BAFF-R targeting CAR T cells manufactured under clinic-ready conditions", CANCER IMMUNOLOGY IMMUNOTHERAPY, SPRINGER, BERLIN/HEIDELBERG, vol. 69, no. 10, 25 May 2020 (2020-05-25), Berlin/Heidelberg , pages 2139 - 2145, XP037253279, ISSN: 0340-7004, DOI: 10.1007/s00262-020-02614-8
L M QIN, QIN HONG, DONG ZHENYUAN, WANG XIULI, CHENG WESLEY A, WEN FENG, XUE WEILI, SUN HAN, WALTER MIRIAM, WEI GUOWEI, SMITH D LYN: "CAR T cells targeting BAFF-R can overcome CD19 antigen loss in B cell malignancies", SCI. TRANSL. MED, 25 September 2019 (2019-09-25), XP055706529, Retrieved from the Internet [retrieved on 20200618], DOI: 10.1126/scitranslmed.aaw9414
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Attorney, Agent or Firm:
BEIJING TANGSONG IP FIRM (CN)
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