Structure, Activity Regulation, and Role of the Mitochondrial Calcium Uniporter in Health and Disease.

Structure, Activity Regulation, and Role of the Mitochondrial Calcium Uniporter in Health and Disease.
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DOI:
10.3389/fonc.2017.00139
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发表时间:
2017
影响因子:
4.7
通讯作者:
Rizzuto R
Rizzuto R
中科院分区:
医学3区
文献类型:
--
作者:
Mammucari C;Gherardi G;Rizzuto R

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线粒体Ca2+摄取在细胞能量平衡和细胞命运决定中起着关键作用。线粒体钙单转运蛋白(MCU)及其调控亚基编码基因的鉴定有助于研究线粒体Ca2+信号在病理生理中的作用。因此,过去几年进行的研究一方面确定了MCU复合体的结构及其调控,另一方面揭示了线粒体Ca2+信号失调对细胞和组织稳态的影响。线粒体Ca2+摄取是否可以作为一种武器来对抗癌症进展是有争议的。在这篇综述中,我们总结了MCU的分子结构、控制其活性的调控机制及其在病理生理中的相关性的最新研究,特别是其在癌症进展中的作用。
Mitochondrial Ca2+ uptake plays a pivotal role both in cell energy balance and in cell fate determination. Studies on the role of mitochondrial Ca2+ signaling in pathophysiology have been favored by the identification of the genes encoding the mitochondrial calcium uniporter (MCU) and its regulatory subunits. Thus, research carried on in the last years on one hand has determined the structure of the MCU complex and its regulation, on the other has uncovered the consequences of dysregulated mitochondrial Ca2+ signaling in cell and tissue homeostasis. Whether mitochondrial Ca2+ uptake can be exploited as a weapon to counteract cancer progression is debated. In this review, we summarize recent research on the molecular structure of the MCU, the regulatory mechanisms that control its activity and its relevance in pathophysiology, focusing in particular on its role in cancer progression.
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