BATF3 programs CD8+ T cell memory
- 28 September 2020
- journal article
- research article
- Published by Springer Science and Business Media LLC in Nature Immunology
- Vol. 21 (11), 1397-1407
- https://doi.org/10.1038/s41590-020-0786-2
Abstract
Antiviral 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, which in turn are critical for optimal priming of CD8+ T cells. Here we show that BATF3 was expressed transiently within the first days after T cell priming and had long-lasting T cell–intrinsic effects. T cells that lacked Batf3 showed 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 regulated 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.This publication has 52 references indexed in Scilit:
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