Abstract
The epigenetic states of key regulatory genes must be altered to drive cell fate decisions in differentiating cells. This process must be coupled, at least transiently, to the DNA replication machinery. Only a few genes, however, have been shown to require DNA replication for their activation or repression upon induction of differentiation. We have developed a methodology for examining how gene expression is coupled to cell division during the early stages of differentiation of embryonal carcinoma (EC) cells. Using this approach, we find that the expression of the 5-hydroxytryptamine (serotonin) receptor 2C (Htr2c) is strongly increased in the second division after all-trans retinoic acid addition. We propose that the epigenetic activation of Htr2c in EC cells results from a chromatin remodeling process that requires at least two passages through S phase.
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Jan 11, 2019·Toxicological Sciences : an Official Journal of the Society of Toxicology·Cagri CamsariGeorge W Smith
May 4, 2011·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·Kunihiko Kaneko
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