Coexpression of c-Jun in multiple-chain DAP-CAR-engineered T-cells for solid tumor therapy.

Immunotherapy(2022)

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摘要
This work was designed to explore whether c-Jun overexpression could improve the persistence and antitumor efficacy of DAP chimeric antigen receptor T-cell (CAR-T) cells. The and antitumor effects of mesothelin (MSLN) targeting DAP-CAR-T cells were verified by ELISA, real-time cell analysis and in a xenograft model. overexpression did not affect DAP-CAR-T cell expansion while slightly increasing IL-2 secretion. Moreover, c-Jun did not improve the antitumor efficacy of DAP-CAR-T cells  or , but reduced LAG3 expression and increased the ratio of Tcm and Tn/Tscm cells . The findings indicate that coexpression with c-Jun in DAP-CAR-T cells slightly improves T-cell exhaustion and central memory phenotype maintenance, which may be useful for DAP-CAR-T cell therapy in solid tumors.
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关键词
CAR-T,DAP-CAR-T,IL2,c-Jun,solid tumor
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