Small G protein signaling in neuronal plasticity and memory formation: the specific role of ras family proteins.

Small G protein signaling in neuronal plasticity and memory formation: the specific role of ras family proteins.
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DOI:
10.1016/j.neuron.2010.09.013
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发表时间:
2010-11-04
期刊:
影响因子:
16.2
通讯作者:
Carew, Thomas J.
Carew, Thomas J.
中科院分区:
医学1区
文献类型:
--
作者:
Ye, Xiaojing;Carew, Thomas J.

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小G蛋白是一个广泛的蛋白家族,可以结合和降解GTP。它们在细胞内无处不在,调节着广泛的细胞过程。最近,许多研究考察了小G蛋白,特别是RAS家族G蛋白在记忆形成中的作用。RAS家族蛋白曾经被认为主要参与发育过程中各种细胞外信号的转导,现在清楚地表明,RAS家族蛋白在神经元和行为可塑性的分子处理中也发挥着关键作用。我们在这里回顾了最近的一些研究,这些研究探索了RAS家族蛋白的信号如何有助于记忆的形成。从基础科学的角度理解这些信号传递过程是至关重要的,其目的是为认知行为的关键方面提供机械性的见解,从临床的角度来看,目标是为一系列涉及认知障碍的疾病提供有效的治疗方法。
Small G-proteins are an extensive family of proteins that bind and hydrolyze GTP. They are ubiquitous inside cells, regulating a wide range of cellular processes. Recently, many studies have examined the role of small G-proteins, particularly the Ras family of G-proteins, in memory formation. Once thought to be primarily involved in the transduction of a variety of extracellular signals during development, it is now clear that Ras family proteins also play critical roles in molecular processing underlying neuronal and behavioral plasticity. We here review a number of recent studies that explore how the signaling of Ras family proteins contributes to memory formation. Understanding these signaling processes is of fundamental importance both from a basic scientific perspective, with the goal of providing mechanistic insights into a critical aspect of cognitive behavior, and from a clinical perspective, with the goal of providing effective therapies for a range of disorders involving cognitive impairments.
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