Developmental and extrahepatic physiological functions of SREBP pathway genes in mice.

Developmental and extrahepatic physiological functions of SREBP pathway genes in mice.
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小鼠SREBP途径基因的发育和肝外生理功能。

DOI:
10.1016/j.semcdb.2017.07.011
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发表时间:
2018-09
影响因子:
7.3
通讯作者:
Liang G
Liang G
中科院分区:
生物学2区
文献类型:
--
作者:
Engelking LJ;Cantoria MJ;Xu Y;Liang G

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固醇调节元件结合蛋白(SREBPs)是胆固醇和脂肪酸合成的主要转录调节因子,参与多种细胞过程。在这篇综述中,我们专注于基因工程小鼠中的六个组成部分的SREBP基因通路,即SREBP-1,SREBP-2,Scap,Insig-1,Insig-2,或网站-1蛋白酶的活动已通过基因敲除或转基因方法改变。除了对脂质代谢的预期影响外,还发现在小鼠中操纵这些基因会影响广泛的发育和生理过程,从巨噬细胞中的干扰素信号传导到大脑中的突触传递。本文综述的研究结果提供了一个蓝图,以指导未来的研究,定义脂质生物学和许多不同器官系统的生理过程之间的复杂相互作用。
Sterol regulatory element-binding proteins (SREBPs), master transcriptional regulators of cholesterol and fatty acid synthesis, have been found to contribute to a diverse array of cellular processes. In this review, we focus on genetically engineered mice in which the activities of six components of the SREBP gene pathway, namely SREBP-1, SREBP-2, Scap, Insig-1, Insig-2, or Site-1 protease have been altered through gene knockout or transgenic approaches. In addition to the expected impacts on lipid metabolism, manipulation of these genes in mice is found to affect a wide array of developmental and physiologic processes ranging from interferon signaling in macrophages to synaptic transmission in the brain. The findings reviewed herein provide a blueprint to guide future studies defining the complex interactions between lipid biology and the physiologic processes of many distinct organ systems.
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