Batf3 programs CD8 T cell memory
收藏干细胞与再生医学数据中心2022-02-20 更新2024-03-06 收录
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Anti-viral CD8 T cell responses are characterized by an initial activation/priming of T lymphocytes followed by a massive proliferation, subset differentiation, population contraction and the development of a stable memory pool. The transcription factor BATF3 has been shown to play a central role in the development of conventional dendritic cells (cDC1), which in turn are critical for the optimal priming of CD8 T cells. Here we show that BATF3 is expressed within the first days after priming but has long-lasting T cell intrinsic effects. We found that T cells that lack Batf3 show a normal expansion and differentiation, yet succumbed to an aggravated contraction and had a diminished memory response. Vice versa BATF3-overexpression in CD8 T cells promoted their survival and transition to memory. Mechanistically, BATF3 regulates T cell apoptosis and longevity via the proapoptotic factor BIM. By programing CD8 T cell survival and memory, BATF3 is a promising molecule to optimize adoptive T cell therapy in patients.
提供机构：
University of Wuerzburg
创建时间：
2022-02-20
