Mitochondria as Signaling Organelles Control Mammalian Stem Cell Fate.

Mitochondria as Signaling Organelles Control Mammalian Stem Cell Fate.
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线粒体作为信号细胞器控制哺乳动物干细胞的命运。

DOI:
10.1016/j.stem.2021.02.011
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发表时间:
2021-03-04
期刊:
影响因子:
23.9
通讯作者:
Chandel NS
Chandel NS
中科院分区:
医学1区
文献类型:
--
作者:
Chakrabarty RP;Chandel NS

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最近的证据支持线粒体新陈代谢是干细胞命运所必需的这一观点。从历史上看,线粒体代谢分别与ATP和TCA循环代谢产物的产生有关,以支持干细胞的生存和生长。然而,现在很清楚的是,除了这些典型的作用外,线粒体作为信号细胞器决定了干细胞的命运和功能。本文就线粒体如何通过ROS的产生、NAD+/NADH比例调节、丙酮酸代谢、TCA循环代谢产物的产生和线粒体动力学来控制哺乳动物干细胞的命运和功能的关键概念进行了综述。越来越多的人认识到,除了产生三磷酸腺苷和生物合成中间体的典型作用外,线粒体作为信号细胞器可以决定干细胞的命运和功能。在这里,我们讨论线粒体代谢控制哺乳动物干细胞命运的多种机制。
Recent evidence supports the notion that mitochondrial metabolism is necessary for stem cell fate. Historically, mitochondrial metabolism is linked to the production of ATP and TCA cycle metabolites to support stem cell survival and growth, respectively. However, it is now clear that beyond these canonical roles, mitochondria as signaling organelles dictate stem cell fate and function. In this review, we focus on key conceptual ideas on how mitochondria control mammalian stem cell fate and function through ROS generation, NAD+/NADH ratio regulation, pyruvate metabolism, TCA cycle metabolite production, and mitochondrial dynamics. There is a growing appreciation that beyond the canonical roles of producing ATP and biosynthetic intermediates, mitochondria as signaling organelles can dictate stem cell fate and function. Here we discuss multiple mechanisms by which mitochondrial metabolism controls mammalian stem cell fate.
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