The GABAA receptor-gated ion channel: biochemical and pharmacological studies of structure and function.

The GABAA receptor-gated ion channel: biochemical and pharmacological studies of structure and function.
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GABAA 受体门控离子通道:结构和功能的生化和药理学研究。

DOI:
10.1016/0006-2952(88)90684-3
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发表时间:
1988
影响因子:
5.8
通讯作者:
Schwartz,RD
Schwartz,RD
中科院分区:
医学2区
文献类型:
--
作者:
Schwartz,RD

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近年来,神经生物学家对神经递质受体门控离子室进行了深入的研究。烟碱型乙酰胆碱受体(nACHR)是目前研究最深入的神经递质受体门控离子通道之一。由于鱼雷电刺激提供了丰富的nACHR供应,该受体已被纯化,其亚基已被测序(氨基酸)、克隆和功能重建[1 -5]。这些分子生物学方法,结合经典的药理学研究,使用受体结合,离子流和电泳技术,给我们一个详细的图片的结构和功能的nACHR。因此,类似的方法现在被用于研究由神经递质如γ-氨基丁酸(GABA)、甘氨酸和谷氨酸激活的其他离子通道的结构和功能特征也就不足为奇了。这些研究中最有趣的方面之一是在烟碱、GABA和甘氨酸受体门控离子通道之间共享一些S~ ctu~ al和~ cti~ a~性质(它们的离子选择性不同)[6-is]。这些证据尤其突出了烟碱和GABA [6]以及烟碱和甘氨酸[7]受体门控离子通道之间的结构相似性,导致研究人员提出,eurotra~ sm~ t~ er受体门控离子通道可能是从一个共同的基因pooZ f6* 71进化而来的,本文介绍了GABA受体门控氯离子(Cl-)的生物化学和药理学研究的最新数据通道的结构和功能,有助于超家族的概念figand-gated离子魅力&f6,7,9] _
Over the past several years neurobiologists have engaged in intense study of neurotransmitter receptor-gated ion cham~ ls. Their presence in neuronal and eon-neuro~ al m~ mbr~ es of both invertebrates and vertebrates indicates their importance in maintaining and regulating a variety of cellular functions, One of the most thoroughly studied neurotransmitter receptor-gated ion channels is the nicutinic acetylcholine receptor (nACHR). Because of the abundant supply of nACHR provided by the Torpedo electric f&h, this receptor has been purified, and its subunits have been sequenced (amino acid), cfoned and functianally reconstituted[l-5]. These molecular biological approaches, when combined with classical pharmacologic studies using receptor binding, ion flux and electrophys~ oiogic techniques, have given us a detaiiled pictuxe of the structure and function of the nACHR. ft is not surprising, therefore, that similar approaches are now being used to study the structural and functional characteristics of other ion channels activated by neurotransmitters such as yaminobutyric acid (GABA), glycine and glutamate. One of the most interesting aspects of these studies is thar some s~ ctu~ al and~ cti~~ a~ properties are shared among the nieotinic, GABA and glycine receptor-gated ion channels (regardiess of their ion selectivities)[6-is]. The evidence is particularly strikw ing for structural similarities between the nicotinic and GABA [6] and nicotinic and glycine [7] receptorgated ion channels, leading researchers to propose that~ eurotra~ sm~ t~ er receptor-gat~ d ion channels may have evolved from a common gene pooZ f6* 71, This article presents recent data from biochemical and pharmacological studies of GABA receptorgated chloride (Cl-) channel structure and function which contribute to the concept of super families of figand-gated ion charm& f6, 7, 9] _
苯二氮卓结合位点光亲和标记的表征。
DOI: 10.1016/s0021-9258(19)68705-3
发表时间: 1981
期刊: The Journal of biological chemistry
影响因子: --
作者:
J. W. Thomas;J. Tallman
通讯作者: J. Tallman
脑[35S]叔丁基二环硫代磷酸酯结合位点的辐射失活揭示了 GABA/苯二氮卓受体氯离子通道复合物的复杂分子排列。
DOI: 10.1016/0006-2952(85)90223-0
发表时间: 1985
影响因子: 5.8
作者:
M. Nielsen;T. Honoré;C. Braestrup
通讯作者: C. Braestrup
GABAA/苯二氮卓受体是同源α和β亚基的异四聚体。
DOI: 10.1002/j.1460-2075.1987.tb04791.x
发表时间: 1987
期刊: The EMBO Journal
影响因子: --
作者:
C. Mamalaki;F. Stephenson;E. Barnard
通讯作者: E. Barnard
DOI: 10.1002/j.1460-2075.1986.tb04247.x
发表时间: 1986-03
期刊: The EMBO Journal
影响因子: --
作者:
M. Seiki;J. Inoue;T. Takeda;M. Yoshida
通讯作者: M. Seiki;J. Inoue;T. Takeda;M. Yoshida
孕烯醇酮硫酸盐:大脑中γ-氨基丁酸受体复合物的内源性拮抗剂?
DOI: --
发表时间: 1987
期刊: Brain Research
影响因子: 2.9
作者:
M. D. Majewska;R. D. Schwartz
通讯作者: R. D. Schwartz