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Abstract
Precise epigenetic modifications in stem cells control developmental programs and cell fate decisions. In particular, the addition or removal of trimethylation of histone 3 lysine 27 (H3K27me3) at lineage-specific genes has been linked to the repression of gene expression, and a precise balance of methyltransferases and demethylases within cells determines H3K27me3 levels. The demethylase UTX is essential for development and tissue homeostasis; however, a role for UTX in stem cell–mediated tissue regeneration is unknown. In this issue of the
Authors
Ling Liu, Thomas A. Rando
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ISSN: 0021-9738 (print), 1558-8238 (online)