Local ubiquitin-proteasome-mediated proteolysis and long-term synaptic plasticity.

Local ubiquitin-proteasome-mediated proteolysis and long-term synaptic plasticity.
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DOI:
10.3389/fnmol.2014.00096
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发表时间:
2014
影响因子:
4.8
通讯作者:
Beckelman BC
Beckelman BC
中科院分区:
医学2区
文献类型:
--
作者:
Hegde AN;Haynes KA;Bach SV;Beckelman BC

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蛋白质降解的泛素-蛋白酶体途径(UPP)在记忆基础的突触可塑性中起着许多作用。对无脊椎动物和脊椎动物模型系统的研究表明,UPP调节许多对突触可塑性至关重要的底物。最初的研究对神经元中的泛素蛋白降解进行了全面的研究。随后,十年前提出了局部蛋白质降解的想法。在这篇综述中,我们专注于长期突触可塑性的UPP的功能,并讨论了积累的证据支持的想法,即UPP的组件往往有不同的本地角色在不同的神经元舱,而不是一个单一的细胞范围内的功能。
The ubiquitin-proteasome pathway (UPP) of protein degradation has many roles in synaptic plasticity that underlies memory. Work on both invertebrate and vertebrate model systems has shown that the UPP regulates numerous substrates critical for synaptic plasticity. Initial research took a global view of ubiquitin-protein degradation in neurons. Subsequently, the idea of local protein degradation was proposed a decade ago. In this review, we focus on the functions of the UPP in long-term synaptic plasticity and discuss the accumulated evidence in support of the idea that the components of the UPP often have disparate local roles in different neuronal compartments rather than a single cell-wide function.
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