Role of immediate early gene expression in cortical morphogenesis and plasticity.

Role of immediate early gene expression in cortical morphogenesis and plasticity.
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立即早期基因表达在皮质形态发生和可塑性中的作用。

DOI:
10.1007/978-3-540-46006-0_6
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发表时间:
2002
影响因子:
--
通讯作者:
W. Kaufmann
W. Kaufmann
中科院分区:
--
文献类型:
--
作者:
K. Andreasson;W. Kaufmann

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在中枢神经系统的发育过程中,在将未成熟的神经元连接转化为有组织的功能回路中,存在对突触活动的基本要求(Katz 1996)。神经元中活动依赖性适应性变化的分子机制被认为涉及基因表达的调节级联。即刻早期基因(immediate early genes,IEGs)是一组启动刺激诱导的适应性变化过程的基因,最初被认为是脑内受兴奋性突触活动调控的转录因子。最近,一类神经元立即早期基因已被确定,编码生长因子,信号分子,细胞外基质和粘附蛋白,和细胞骨架蛋白的快速和瞬时表达的反应,神经递质的神经传递。这篇评论的重点是神经元立即早期基因(nIEG)的反应,特别是“效应”立即早期基因蛋白,可能直接修改神经元和突触功能的类。
During the development of the central nervous system, there is a fundamental requirement for synaptic activity in transforming immature neuronal connections into organized functional circuits (Katz 1996). The molecular mechanisms underlying activity-dependent adaptive changes in neurons are believed to involve regulated cascades of gene expression. Immediate early genes (IEGs) comprise the initial cascade of gene expression responsible for initiating the process of stimulus-induced adaptive change, and were identified initially as transcription factors that were regulated in brain by excitatory synaptic activity. More recently, a class of neuronal immediate early genes has been identified that encodes growth factors, signaling molecules, extracellular matrix and adhesion proteins, and cytoskeletal proteins that are rapidly and transiently expressed in response to glutamatergic neurotransmission. This review focuses on the neuronal immediate early gene (nIEG) response, in particular, the class of "effector" immediate early gene proteins that may directly modify neuronal and synaptic function.
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DOI: --
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期刊: The Journal of biological chemistry
影响因子: --
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