Tissue-specific insulin signaling in the regulation of metabolism and aging.

Tissue-specific insulin signaling in the regulation of metabolism and aging.
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代谢和衰老调节中的组织特异性胰岛素信号传导

DOI:
10.1002/iub.1293
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发表时间:
2014-07
期刊:
影响因子:
4.6
通讯作者:
Liu, Feng
Liu, Feng
中科院分区:
生物学3区
文献类型:
--
作者:
Zhang, Jingjing;Liu, Feng

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在哺乳动物中,胰岛素信号调节葡萄糖稳态,并在代谢、器官生长、发育、生育和寿命中起重要作用。这种信号通路的缺陷导致各种代谢疾病,如2型糖尿病、多囊卵巢病、高血压、高脂血症和动脉粥样硬化。然而,已经发现减少胰岛素信号通路可以增加寿命并延缓各种动物(从线虫到小鼠)的衰老相关疾病。这些看似矛盾的发现提出了一个有趣的问题,即胰岛素信号通路的调节如何成为改善代谢和衰老的有效方法。本文综述了胰岛素信号在机体代谢和寿命调节中的组织特异性功能。我们还讨论了调节组织特异性胰岛素信号通路以改善代谢和健康的潜在益处和局限性。
In mammals, insulin signaling regulates glucose homeostasis and plays an essential role in metabolism, organ growth, development, fertility, and lifespan. Defects in this signaling pathway contribute to various metabolic diseases such as type 2 diabetes, polycystic ovarian disease, hypertension, hyperlipidemia, and atherosclerosis. However, reducing the insulin signaling pathway has been found to increase longevity and delay the aging-associated diseases in various animals, ranging from nematodes to mice. These seemly paradoxical findings raise an interesting question as to how modulation of the insulin signaling pathway could be an effective approach to improve metabolism and aging. In this review, we summarize current understanding on tissue-specific functions of insulin signaling in the regulation of metabolism and lifespan. We also discuss potential benefits and limitations in modulating tissue-specific insulin signaling pathway to improve metabolism and healthspan.
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