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T cell antigen receptor, multimeric complex thereof, and preparation method therefor and use thereof

Grant US12583910B2 Kind: B2 Mar 24, 2026

Assignee

TSINGHUA UNIVERSITY

Inventors

Lemei Jia, Hua Chen, Wenzhong Li, Jiasheng Wang, Lei Lei, Fang Liu, Xueqiang Zhao, Xin Lin

Abstract

Provided is an antibody or an antigen-binding fragment thereof, a T cell antigen receptor, an immune cell expressing the T cell antigen receptor (TCR), and a preparation method therefor and the use thereof. The TCR can specifically recognize corresponding pMHC complexes, activate TCR T cells, and produce high-level cytokines IFNγ, IL2, TNFα, significantly kill target cells and prolong the life of tumor-bearing mice.

CPC Classifications

C07K 16/085 C07K 2319/03 C07K 14/7051 C07K 14/70539 C07K 2317/565 C07K 2317/622 A61K 40/11 A61K 40/32 A61K 40/42 A61K 40/46 A61K 2239/31 A61K 2239/38 A61K 2239/48 A61K 2039/585 A61K 2039/64 A61K 39/12 A61K 35/17 A61K 2039/5158 C12N 5/0636 C12N 2501/2302 C12N 2502/30 C12N 2510/00 C12N 15/86 C12N 2710/16234 C12N 2740/16043 A01K 2207/12 A01K 2227/105 A01K 2267/0331 A61P 31/20 A61P 31/22 A61P 35/00 G01N 33/56994 G01N 33/574

Filing Date

2021-04-23

Application No.

17923522

Claims

20