Naturally-expressed nicotinic acetylcholine receptor subtypes.

Naturally-expressed nicotinic acetylcholine receptor subtypes.
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DOI:
10.1016/j.bcp.2011.07.067
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发表时间:
2011-10-15
影响因子:
5.8
通讯作者:
Lukas, Ronald J.
Lukas, Ronald J.
中科院分区:
医学2区
文献类型:
--
作者:
Wu, Jie;Lukas, Ronald J.

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烟碱型乙酰胆碱受体(NAChRs)在大脑和身体功能中发挥着重要作用,并与包括尼古丁依赖在内的许多神经和精神疾病有关,因此值得关注。NAChRs由不同的亚型组成,包含遗传上不同的亚基的特定组合,并具有不同的功能特性、分布和药理学特征。人们一直相信,为特定亚基确定组装伙伴范围的规则是既定的,特别是对于更突出的nAChR亚型。然而,我们在这里回顾了一些新的发现,表明nAChRs具有基本相同的主要亚基,以异构体形式存在,具有出人意料的不同性质。此外,我们还总结了我们自己的研究,表明存在新的nAChR亚型和/或具有迄今未描述的分布。重要的是,nAChRs以新的异构体或亚型存在或具有有趣的分布,需要改变对它们在健康和疾病中的作用的思考。
Nicotinic acetylcholine receptors (nAChRs) warrant attention, as they play many critical roles in brain and body function and have been implicated in a number of neurological and psychiatric disorders, including nicotine dependence. nAChRs are composed as diverse subtypes containing specific combinations of genetically-distinct subunits and that have different functional properties, distributions, and pharmacological profiles. There had been confidence that the rules that define ranges of assembly partners for specific subunits were well-established, especially for the more prominent nAChR subtypes. However, we review here some newer findings indicating that nAChRs having largely the same, major subunits exist as isoforms with unexpectedly different properties. Moreover, we also summarize our own studies indicating that novel nAChR subtypes exist and/or have distributions not heretofore described. Importantly, the nAChRs that exist as new isoforms or subtypes or have interesting distributions require alteration in thinking about their roles in health and disease.
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