The transcription factor BATF operates as an essential differentiation checkpoint in early effector CD8[superscript +] T cells
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Author(s)
Kurachi, Makoto
Barnitz, R. Anthony
Yosef, Nir
Odorizzi, Pamela M.
DiIorio, Michael A.
Lemieux, Madeleine E.
Yates, Kathleen
Godec, Jernej
Klatt, Martin G.
Regev, Aviv
Date Issued
March 2014
Journal
Nature Immunology
Publisher
Nature Publishing Group
Citation
Kurachi, Makoto, R Anthony Barnitz, Nir Yosef, Pamela M Odorizzi, Michael A DiIorio, Madeleine E Lemieux, Kathleen Yates, et al. “The Transcription Factor BATF Operates as an Essential Differentiation Checkpoint in Early Effector CD8[superscript +] T Cells.” Nature Immunology 15, no. 4 (March 2, 2014): 373–383.
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Author's final manuscript
Abstract
The transcription factor BATF is required for the differentiation of interleukin 17 (IL-17)-producing helper T cells (T[subscript H]17 cells) and follicular helper T cells (T[subscript FH] cells). Here we identified a fundamental role for BATF in regulating the differentiation of effector of CD8[superscript +] T cells. BATF-deficient CD8[superscript +] T cells showed profound defects in effector population expansion and underwent proliferative and metabolic catastrophe early after encountering antigen. BATF, together with the transcription factors IRF4 and Jun proteins, bound to and promoted early expression of genes encoding lineage-specific transcription-factors (T-bet and Blimp-1) and cytokine receptors while paradoxically repressing genes encoding effector molecules (IFN-γ and granzyme B). Thus, BATF amplifies T cell antigen receptor (TCR)-dependent expression of transcription factors and augments the propagation of inflammatory signals but restrains the expression of genes encoding effector molecules. This checkpoint prevents irreversible commitment to an effector fate until a critical threshold of downstream transcriptional activity has been achieved.
MIT Department
Massachusetts Institute of Technology. Department of Biology
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DOI of Published Version
https://doi.org/10.1038/ni.2834
