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Chromatin 'pre-pattern' and epigenetic modulation in the cell fate choice of liver over pancreas in the endoderm

机译:内胚层中胰腺的肝脏细胞命运选择中的染色质“预模式”和表观遗传调控

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Understanding the basis for multipotency, whereby stem cells and other progenitors can differentiate into certain tissues and not others, provides insights into the mechanism of cell programming in development, homeostasis, and disease. We recently reported a screen of diverse chromatin marks to obtain clues about chromatin states in the multipotent embryonic endoderm. Genetic and pharmacologic tests of certain marks' function demonstrated that the relevant chromatin modifying factors modulate the fate choice for liver or pancreas induction in the endoderm. The information about chromatin states from embryonic studies can be used to predict lineage-specific developmental potential and chromatin modifiers to enhance particular cell fate transitions from stem cells.
机译:了解干细胞和其他祖细胞可以分化为某些组织而不分化为其他组织的多能性基础,可以洞悉细胞在发育,体内稳态和疾病中的编程机制。我们最近报道了多种染色质标记的屏幕,以获得有关多能胚胎内胚层中染色质状态的线索。某些标记功能的遗传和药理学测试表明,相关的染色质修饰因子可调节内胚层中肝脏或胰腺诱导的命运选择。来自胚胎研究的有关染色质状态的信息可用于预测谱系特异性的发育潜能和染色质修饰剂,以增强干细胞特定的细胞命运转变。

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