Mitochondrial Dynamics in Regulating the Unique Phenotypes of Cancer and Stem Cells.

Mitochondrial Dynamics in Regulating the Unique Phenotypes of Cancer and Stem Cells.
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DOI:
10.1016/j.cmet.2017.05.016
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发表时间:
2017-07-05
期刊:
影响因子:
29
通讯作者:
Chan DC
Chan DC
中科院分区:
生物学1区
文献类型:
--
作者:
Chen H;Chan DC

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癌症和干细胞似乎共享一个共同的代谢特征,即通过有氧糖酵解来高利用葡萄糖。在存在足够的营养物质的情况下,这种代谢策略提供了足够的细胞ATP,同时还提供了细胞持续增殖所需的重要代谢产物。最近的研究表明,这种代谢模式依赖于调控线粒体融合和裂变的基因。线粒体高水平的分裂活动与某些癌细胞的高增殖和侵袭性有关,与某些干细胞的自我更新和分化抵抗有关。这些观察揭示了线粒体通过对新陈代谢和细胞信号的影响来调节细胞生理的新方法。
Cancer and stem cells appear to share a common metabolic profile that is characterized by high utilization of glucose through aerobic glycolysis. In the presence of sufficient nutrients, this metabolic strategy provides sufficient cellular ATP while additionally providing important metabolites necessary for the biosynthetic demands of continuous cell proliferation. Recent studies indicate that this metabolic profile is dependent on genes that regulate the fusion and fission of mitochondria. High levels of mitochondrial fission activity are associated with high proliferation and invasiveness in some cancer cells and with self-renewal and resistance to differentiation in some stem cells. These observations reveal new ways in which mitochondria regulate cell physiology, through their effects on metabolism and cell signaling.
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