Signaling in dendritic spines and spine microdomains.

Signaling in dendritic spines and spine microdomains.
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DOI:
10.1016/j.conb.2012.03.003
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发表时间:
2012-06
影响因子:
5.7
通讯作者:
Sabatini BL
Sabatini BL
中科院分区:
医学2区
文献类型:
--
作者:
Chen Y;Sabatini BL

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树突棘的特殊形态创造了一个孤立的室,允许局部生化信号。最近的研究揭示了脊柱头部作为信号域功能的复杂性,并表明:(1)脊柱在功能上被细分为多个独立的微域;(2)并非所有的生化信号在脊柱内都被平等地划分。在这里,我们回顾了这些发现以及荧光显微镜的发展,使直接监测脊柱内的信号成为可能,在未来,在亚脊柱微域内。
The specialized morphology of dendritic spines creates an isolated compartment that allows for localized biochemical signaling. Recent studies have revealed complexity in the function of the spine head as a signaling domain and indicate that (1) the spine is functionally subdivided into multiple independent microdomains and (2) not all biochemical signals are equally compartmentalized within the spine. Here we review these findings as well as the developments in fluorescence microscopy that are making possible direct monitoring of signaling within spines and, in the future, within sub-spine microdomains.
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