Unraveling mechanisms of homeostatic synaptic plasticity.

Unraveling mechanisms of homeostatic synaptic plasticity.
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DOI:
10.1016/j.neuron.2010.04.028
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发表时间:
2010-05-13
期刊:
影响因子:
16.2
通讯作者:
Goda, Yukiko
Goda, Yukiko
中科院分区:
医学1区
文献类型:
--
作者:
Pozo, Karine;Goda, Yukiko

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稳态突触可塑性是神经元通过调节突触强度来抵消过度兴奋或抑制的负反馈机制。最近的发现揭示了参与这种突触强度调节的补偿形式的信号过程的复杂网络,与流行的认为稳态可塑性是一种缓慢的全球现象相反,神经元也可能根据需要快速调整单个突触的有效性。在这里,我们回顾了我们目前对稳态突触可塑性的细胞和分子机制的理解。
Homeostatic synaptic plasticity is a negative feedback mechanism neurons use to offset excessive excitation or inhibition by adjusting their synaptic strengths. Recent findings reveal a complex web of signaling processes involved in this compensatory form of synaptic strength regulation, and in contrast to the popular view of homeostatic plasticity as a slow, global phenomenon, neurons may also rapidly tune the efficacy of individual synapses on demand. Here we review our current understanding of cellular and molecular mechanisms of homeostatic synaptic plasticity.
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