Insulin regulation of myocardial autophagy.

Insulin regulation of myocardial autophagy.
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DOI:
10.1253/circj.cj-14-1080
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发表时间:
2014
期刊:
Circulation journal : official journal of the Japanese Circulation Society
影响因子:
--
通讯作者:
Abel ED
Abel ED
中科院分区:
其他
文献类型:
--
作者:
Riehle C;Abel ED

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自噬是一种保守的细胞过程,在心血管稳态中起着重要作用。自噬的基础水平是维持细胞器质量控制所必需的。自噬在禁食到再进食的过渡中在心脏中被动态调节。胰岛素信号在心肌能量代谢、线粒体功能和细胞生长的调节中起重要作用。最近的研究表明,胰岛素信号在心肌自噬的调节中起着重要作用。禁食期间自噬诱导的这种动态调节可能有助于细胞器稳态,如果在高胰岛素血症条件下受到干扰,可能有助于加速心脏衰老。
Autophagy is a conserved cellular process that plays an important role in cardiovascular homeostasis. Basal levels of autophagy are required for the maintenance of organellar quality control. Autophagy is dynamically regulated in the heart in the fasting to re-feeding transition. Insulin signaling plays an important role in the regulation of myocardial fuel metabolism, mitochondrial function and cellular growth. Recent studies have suggested an important role for insulin signaling in the regulation of myocardial autophagy. This dynamic regulation of autophagy induction during fasting may contribute to organellar homeostasis and if perturbed under conditions of hyperinsulinemia could contribute to accelerated cardiac aging.
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