Journal
ONCOTARGET
Volume 8, Issue 11, Pages 17562-17572Publisher
IMPACT JOURNALS LLC
DOI: 10.18632/oncotarget.15077
Keywords
HDAC4; conventional T cells; invariant NKT cells; development; polarization; Immunology and Microbiology Section; Immune response; Immunity
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Funding
- US National Institutes of Health [1R56AI119041, 1R01AI119041]
- Henry Ford Immunology Program [T71016, T71017]
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Histone deacetylation, reciprocally mediated by histone deacetylases (HDAC) and acetyltransferases, represents one major form of post-translational modification. Previous research indicates that HDACs play an essential regulatory role in the development of various immune cells. However, the specific function of individual HDACs remains largely unexplored. HDAC4, a member of class II HDACs, profoundly investigated in the nervous system, while the expression profile and function of HDAC4 in T cells are barely known. For the first time, we report here that HDAC4 is expressed in the multiple T cell lineages. Using T-cell-specific HDAC4-deficient mice, we discovered that lack of HDAC4 did not alter the frequencies of conventional T cells, invariant NKT (iNKT) cells or regulatory T cells within both the thymus and secondary lymphoid organs. Moreover, conventional T cells and iNKT cells from wild-type and HDAC4-deficient mice displayed no significant difference in cytokine production. In conclusion, our results imply that under steady stage, HDAC4 is not required for the development and function of multiple T cell lineages, including conventional T cells and iNKT cells.
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