Nutrient-sensing pathways and metabolic regulation in stem cells.

Nutrient-sensing pathways and metabolic regulation in stem cells.
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DOI:
10.1083/jcb.201303110
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发表时间:
2013-10-14
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Simon MC
Simon MC
中科院分区:
其他
文献类型:
--
作者:
Ochocki JD;Simon MC

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干细胞发挥精确的调节来维持自我更新和分化程序的平衡,以维持组织在整个生物体生命中的稳态。最近的证据表明,这种调节在一定程度上是通过代谢变化和营养感知途径(如mTOR和AMPK)的修改来调节的。越来越清楚的是,干细胞抑制氧化磷酸化,有利于有氧糖酵解以产生能量。最近的进展详细介绍了这种代谢表型的分子机制,并为可能参与干细胞稳态的新代谢途径提供了见解。
Stem cells exert precise regulation to maintain a balance of self-renewal and differentiation programs to sustain tissue homeostasis throughout the life of an organism. Recent evidence suggests that this regulation is modulated, in part, via metabolic changes and modifications of nutrient-sensing pathways such as mTOR and AMPK. It is becoming increasingly clear that stem cells inhibit oxidative phosphorylation in favor of aerobic glycolysis for energy production. Recent progress has detailed the molecular mechanisms of this metabolic phenotype and has offered insight into new metabolic pathways that may be involved in stem cell homeostasis.
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