Interplay between the virus and the ubiquitin-proteasome system: molecular mechanism of viral pathogenesis.

Interplay between the virus and the ubiquitin-proteasome system: molecular mechanism of viral pathogenesis.
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DOI:
10.1016/j.coviro.2015.09.005
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发表时间:
2016-04
影响因子:
5.9
通讯作者:
Luo H
Luo H
中科院分区:
医学2区
文献类型:
--
作者:
Luo H

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许多病毒已经进化到利用主机 UPS 来谋取自身利益。病毒破坏 UPS 以维持病毒蛋白的最佳水平/功能。病毒利用 UPS 降解宿主蛋白,从而阻碍病毒生长。 UPS是宿主重要的抗病毒防御机制。 UPS 会受到某些病毒的抑制,从而阻止病毒清除。泛素-蛋白酶体系统 (UPS) 通过确保蛋白质质量控​​制和维持重要调节蛋白的关键水平,在广泛的基本细胞功能中发挥着核心作用。病毒破坏或操纵这种细胞机制以有利于病毒传播并逃避宿主免疫反应。 UPS在病毒发病机制中是一把双刃剑:一方面,许多病毒利用UPS来维持病毒蛋白的正常功能和水平;另一方面,许多病毒利用UPS来维持病毒蛋白的正常功能和水平。另一方面,UPS构成宿主防御机制,消除病毒成分。为了对抗这种宿主抗病毒机制,病毒已经进化到利用 UPS 来降解或灭活限制病毒生长的细胞蛋白。这篇综述将重点介绍我们目前关于 UPS 在病毒发病机制中不同作用的知识。
Many viruses have evolved to utilize the host UPS for their own benefit. Viruses subvert the UPS to maintain optimal level/function of viral proteins. Viruses exploit the UPS to degrade host proteins which impede viral growth. The UPS serves as an important host anti-viral defense mechanism. The UPS is inhibited by some viruses to prevent viral clearance. The ubiquitin–proteasome system (UPS) plays a central role in a wide range of fundamental cellular functions by ensuring protein quality control and through maintaining a critical level of important regulatory proteins. Viruses subvert or manipulate this cellular machinery to favor viral propagation and to evade host immune response. The UPS serves as a double-edged sword in viral pathogenesis: on the one hand, the UPS is utilized by many viruses to maintain proper function and level of viral proteins; while on the other hand, the UPS constitutes a host defense mechanism to eliminate viral components. To combat this host anti-viral machinery, viruses have evolved to employ the UPS to degrade or inactivate cellular proteins that limit viral growth. This review will highlight our current knowledge pertaining to the different roles for the UPS in viral pathogenesis.
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