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Molecular mechanisms that maintain lineage integrity of helper T cells are largely unknown. Here we show histone deacetylases 1 and 2 (HDAC1 and HDAC2) as crucial regulators of this process. Loss of HDAC1 and HDAC2 during late T cell development led to the appearance of major histocompatibility complex (MHC) class II-selected CD4(+) helper T cells that(More)
Dynamic changes in histone post-translational modifications (PTMs) regulate gene transcription leading to fine-tuning of biological processes such as DNA replication and cell cycle progression. Moreover, specific histone modifications constitute docking sites for recruitment of DNA damage repair proteins and mediation of subsequent cell survival. Therefore,(More)
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