生物
表观遗传学
染色质
细胞分化
神经发生的表观遗传调控
干细胞
组蛋白
转录因子
细胞生物学
DNA甲基化
体细胞
染色质重塑
遗传学
基因
基因表达
作者
Sarah Snykers,Tom Henkens,Evelien De Rop,Mathieu Vinken,Joanna Fraczek,Joery De Kock,Evi De Prins,Albert Geerts,Vera Rogiers,Tamara Vanhaecke
标识
DOI:10.1016/j.jhep.2009.03.009
摘要
Controlling both growth and differentiation of stem cells and their differentiated somatic progeny is a challenge in numerous fields, from preclinical drug development to clinical therapy. Recently, new insights into the underlying molecular mechanisms have unveiled key regulatory roles of epigenetic marks driving cellular pluripotency, differentiation and self-renewal/proliferation. Indeed, the transcription of genes, governing cell-fate decisions during development and maintenance of a cell's differentiated status in adult life, critically depends on the chromatin accessibility of transcription factors to genomic regulatory and coding regions. In this review, we discuss the epigenetic control of (liver-specific) gene-transcription and the intricate interplay between chromatin modulation, including histone (de)acetylation and DNA (de)methylation, and liver-enriched transcription factors. Special attention is paid to their role in directing hepatic differentiation of primary hepatocytes and stem cells in vitro.
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