首页> 外文期刊>Journal of Molecular Biology >Kat6b Modulates Oct4 and Nanog Binding to Chromatin in Embryonic Stem Cells and Is Required for Efficient Neural Differentiation
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Kat6b Modulates Oct4 and Nanog Binding to Chromatin in Embryonic Stem Cells and Is Required for Efficient Neural Differentiation

机译:Kat6B调节Oct4和Nanog在胚胎干细胞中对染色质的结合,并且是有效的神经分化所必需的

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Chromatin remodeling is fundamental for the dynamical changes in transcriptional programs that occur during development and stem cell differentiation. The histone acetyltransferase Kat6b is relevant for neurogenesis in mouse embryos, and mutations of this gene cause intellectual disability in humans. However, the molecular mechanisms involved in Kat6b mutant phenotype and the role of this chromatin modifier in embryonic stem (ES) cells remain elusive. In this work, we show that Kat6b is expressed in ES cells and is repressed during differentiation. Moreover, we found that this gene is regulated by the pluripotency transcription factors Nanog and Oct4. To study the functional relevance of Kat6b in ES cells, we generated a Kat6b knockout ES cell line (K6b-/-) using CRISPR/Cas9.
机译:染色质重塑是在发育过程中发生的转录程序的动态变化以及干细胞分化发生的基础。 组蛋白乙酰转移酶KAT6B与小鼠胚胎中的神经发生相关,并且该基因的突变导致人类的智力残疾。 然而,参与KAT6B突变表型的分子机制以及该染色质改性剂在胚胎茎(ES)细胞中的作用仍然难以捉摸。 在这项工作中,我们表明KAT6B在ES细胞中表达,并在分化期间被压抑。 此外,我们发现该基因由多能转录因子纳米和Oct4调节。 为了研究KAT6B在ES细胞中的功能相关性,我们使用CRISPR / CAS9生成了KAT6B敲除ES细胞系(K6B - / - )。

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