CAR-T cell(Chimeric Antigen Receptor modified T cells) therapy is a newly emerging cellular immunotherapy technology (Company Web Page, Sinobioway Bioeconomy Group , MAY 10, 2016, View Source;second_id=3002 [SID:1234512236]). With molecular biological methods, it combines together the antibody fragment that identifies tumor-associated antigen(scFv), components of T cell receptor(CD3 ζ), costimulatory signal molecules for T cell activation(CD28, CD137 etc.) and junction fragments, to construct the chimeric antigen receptor(CAR). Then it introduces CAR into T cells by gene engineering techniques, thus acquiring the target killing capacity independent of MHC pathway.

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