Regulation of the actin cytoskeleton in dendritic spines.

Regulation of the actin cytoskeleton in dendritic spines.
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DOI:
10.1007/978-3-7091-0932-8_4
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发表时间:
2012
影响因子:
--
通讯作者:
Rafalovich, Igor
Rafalovich, Igor
中科院分区:
医学4区
文献类型:
--
作者:
Penzes, Peter;Rafalovich, Igor

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Spine morphogenesis is largely dependent on the remodeling of the actin cytoskeleton. Actin dynamics within spines is regulated by a complex network of signaling molecules, which relay signals from synaptic receptors, through small GTPases and their regulators, to actin-binding proteins. In this chapter, we will discuss molecules involved in dendritic spine plasticity beginning with actin and moving upstream toward neuromodulators and trophic factors that initiate signaling involved in these plasticity events. We will place special emphasis on small GTPase pathways, as they have an established importance in dendritic spine plasticity and pathology. Finally, we will discuss some epigenetic mechanisms that control spine morphogenesis.
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