Wnt signaling during synaptic development and plasticity.

Wnt signaling during synaptic development and plasticity.
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DOI:
10.1016/j.conb.2010.12.002
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发表时间:
2011-02
影响因子:
5.7
通讯作者:
Salinas PC
Salinas PC
中科院分区:
医学2区
文献类型:
--
作者:
Budnik V;Salinas PC

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突触连接的形成需要突触前和突触后细胞之间的对话,以协调突触前释放机制和突触后接受复合体的组装。Wnt蛋白家族的信号分子是这种跨突触对话的核心。在神经肌肉接头和中枢突触处,Wnt通过向发育中的突触前和突触后隔室发出信号来促进突触组装。此外,新的研究表明,Wnt蛋白的表达及其Fz受体的定位受到神经元活动的调节。重要的是,Wnts介导由成熟神经元中的模式化神经元活动或感觉体验诱导的突触变化。在这里,我们回顾了最近的研究结果,Wnt信号在突触的功能及其与活性依赖性突触生长和功能的联系。
The formation of synaptic connections requires a dialogue between pre and postsynaptic cells to coordinate the assembly of the presynaptic release machinery and the postsynaptic receptive complexes. Signaling molecules of the Wnt family of proteins are central to this trans-synaptic dialogue. At the neuromuscular junction and central synapses, Wnts promote synaptic assembly by signaling to the developing pre and postsynaptic compartments. In addition, new studies reveal that expression of Wnt proteins and localization of their Fz receptors are regulated by neuronal activity. Importantly, Wnts mediates the synaptic changes induced by patterned neuronal activity or sensory experience in mature neurons. Here we review recent findings into the function of Wnt signaling at the synapse and its link to activity-dependent synaptic growth and function.
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