Cholesterol metabolism and homeostasis in the brain.

Cholesterol metabolism and homeostasis in the brain.
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大脑中的胆固醇代谢和稳态。

DOI:
10.1007/s13238-014-0131-3
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发表时间:
2015-04
期刊:
影响因子:
21.1
通讯作者:
Liu, Qiang
Liu, Qiang
中科院分区:
生物学1区
文献类型:
--
作者:
Zhang, Juan;Liu, Qiang

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无论是在发育阶段,还是在成年生活中,胆固醇都是神经生理学的重要组成部分。由于血脑屏障的存在,脑内胆固醇代谢独立于外周组织。为了保持大脑的良好功能,必须准确地维持大脑中胆固醇的含量。脑胆固醇代谢缺陷被证明与神经退行性疾病有关,如阿尔茨海默病(AD)、亨廷顿病(HD)、帕金森病(PD),以及一些老年人典型的认知障碍。大脑中含有大量的胆固醇,但目前对胆固醇代谢及其复杂的动态平衡调节知之甚少。这篇综述将寻求将关于大脑胆固醇代谢的现有知识与分子机制相结合。
Cholesterol is an essential component for neuronal physiology not only during development stage but also in the adult life. Cholesterol metabolism in brain is independent from that in peripheral tissues due to blood-brain barrier. The content of cholesterol in brain must be accurately maintained in order to keep brain function well. Defects in brain cholesterol metabolism has been shown to be implicated in neurodegenerative diseases, such as Alzheimer’s disease (AD), Huntington’s disease (HD), Parkinson’s disease (PD), and some cognitive deficits typical of the old age. The brain contains large amount of cholesterol, but the cholesterol metabolism and its complex homeostasis regulation are currently poorly understood. This review will seek to integrate current knowledge about the brain cholesterol metabolism with molecular mechanisms.
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