A central role for the small GTPase Rac1 in hippocampal plasticity and spatial learning and memory.

A central role for the small GTPase Rac1 in hippocampal plasticity and spatial learning and memory.
复制标题

DOI:
10.1016/j.mcn.2009.04.005
复制
发表时间:
2009-08
影响因子:
3.5
通讯作者:
Palmer, Theo D.
Palmer, Theo D.
中科院分区:
医学3区
文献类型:
--
作者:
Haditsch, Ursula;Leone, Dino P.;Farinelli, Melissa;Chrostek-Grashoff, Anna;Brakebusch, Cord;Mansuy, Isabelle M.;McConnell, Susan K.;Palmer, Theo D.

文献摘要

参考文献

被引文献

相似文献

Rac 1是Rho家族小GTP酶的成员,其对于成熟神经元突触的结构方面(包括基底棘密度和形状、活性依赖性棘扩大和体外AMPA受体聚集)是重要的。在这里,我们证明,在体内前脑兴奋性神经元中选择性消除Rac 1不仅会影响脊柱结构,还会损害海马中的突触可塑性,从而导致海马依赖性空间学习的缺陷。此外,Rac 1突变体显示赤字的工作/情节样记忆中的延迟匹配的位置(ESTA)的任务表明,Rac 1是一个中央调节器的快速编码的新的空间信息在体内。
Rac1 is a member of the Rho family of small GTPases that are important for structural aspects of the mature neuronal synapse including basal spine density and shape, activity-dependent spine enlargement, and AMPA receptor clustering in vitro. Here we demonstrate that selective elimination of Rac1 in excitatory neurons in the forebrain in vivo not only affects spine structure, but also impairs synaptic plasticity in the hippocampus with consequent defects in hippocampus-dependent spatial learning. Furthermore, Rac1 mutants display deficits in working/episodic-like memory in the delayed matching-to-place (DMP) task suggesting that Rac1 is a central regulator of rapid encoding of novel spatial information in vivo.
DOI: 10.1098/rstb.2002.1254
发表时间: 2003-04-29
影响因子: 6.3
作者:
Harris, KM;Fiala, JC;Ostroff, L
通讯作者: Ostroff, L
DOI: 10.1073/pnas.0610059104
发表时间: 2007-01-09
影响因子: 11.1
作者:
Diana, Giovanni;Valentini, Giovanni;Fiorentini, Carla
通讯作者: Fiorentini, Carla
DOI: 10.1016/j.neuropharm.2008.06.055
发表时间: 2009-01-01
期刊: NEUROPHARMACOLOGY
影响因子: 4.7
作者:
Asrar, Suhail;Meng, Yanghong;Jia, Zhengping
通讯作者: Jia, Zhengping
DOI: 10.1016/j.neuron.2004.05.003
发表时间: 2004-06-10
期刊: NEURON
影响因子: 16.2
作者:
Hayashi, ML;Choi, SY;Tonegawa, S
通讯作者: Tonegawa, S
DOI: 10.1074/jbc.m103496200
发表时间: 2001-09-14
影响因子: 4.8
作者:
Li, WQ;Chong, HR;Guan, KL
通讯作者: Guan, KL