Noradrenergic dysfunction in Alzheimer's disease.

Noradrenergic dysfunction in Alzheimer's disease.
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DOI:
10.3389/fnins.2015.00220
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发表时间:
2015
影响因子:
4.3
通讯作者:
Wang Q
Wang Q
中科院分区:
医学2区
文献类型:
--
作者:
Gannon M;Che P;Chen Y;Jiao K;Roberson ED;Wang Q

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脑去甲肾上腺素能系统通过广泛的传出投射在整个脑中供应神经递质去甲肾上腺素,并且在调节皮质中的认知活动中起关键作用。阿尔茨海默病(AD)患者的深度去甲肾上腺素能变性已经观察了几十年,最近的研究表明蓝斑(去甲肾上腺素能神经元主要位于蓝斑)是AD相关病理开始的主要部位。越来越多的证据表明,去甲肾上腺素能神经支配的损失大大加剧了AD的发病机制和进展,虽然确切的作用,去甲肾上腺素能成分在AD发病机制仍不清楚。本文旨在总结目前AD患者去甲肾上腺素能功能障碍的研究结果,并指出我们知识中的不足之处,需要更多的研究。
The brain noradrenergic system supplies the neurotransmitter norepinephrine throughout the brain via widespread efferent projections, and plays a pivotal role in modulating cognitive activities in the cortex. Profound noradrenergic degeneration in Alzheimer's disease (AD) patients has been observed for decades, with recent research suggesting that the locus coeruleus (where noradrenergic neurons are mainly located) is a predominant site where AD-related pathology begins. Mounting evidence indicates that the loss of noradrenergic innervation greatly exacerbates AD pathogenesis and progression, although the precise roles of noradrenergic components in AD pathogenesis remain unclear. The aim of this review is to summarize current findings on noradrenergic dysfunction in AD, as well as to point out deficiencies in our knowledge where more research is needed.
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