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Research progress of morphological remodeling of neuronal dendritic spine induced by early stress
Author(s): He Yun, Yang Qun, Xu Benke
Pages: 279-
282
Year: 2015
Issue:
5
Journal: New Chinese Medicine
Keyword: Stress; Dendritic spine; Synapse; Corticotropin releasing factor; Hippocampus;
Abstract: During the early stage of growth and development,corticotropin releasing factors (CRF) can alter the function of synapse of hippocampal neurons,remodel the morphology of neuronal dendritic spine and eventually damage the memory function of hippocampus.CRFR1 receptor is widely distributed in the posts-ynaptic dense materials (PSD)of dendritic spine head of hippocampal neurons.Binding of CRF and CRFR1 receptors not only could regulate the function of neuronal synapse via G-protein coupling receptor-mediated sig-naling transduction,but also cause morphological variations of neuronal dendritic spine through activating RhoA-confilin signaling network.This paper summarized the morphology,molecular composition and related regulatory proteins of dendritic spine and the effect of CRF upon neuronal dendritic spine in the corresponding domain of hippocampus,etc.
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