TRIMmunity: the roles of the TRIM E3-ubiquitin ligase family in innate antiviral immunity.

TRIMmunity: the roles of the TRIM E3-ubiquitin ligase family in innate antiviral immunity.
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DOI:
10.1016/j.jmb.2013.12.005
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发表时间:
2014-03-20
影响因子:
5.6
通讯作者:
Versteeg, Gijs A.
Versteeg, Gijs A.
中科院分区:
生物学2区
文献类型:
--
作者:
Rajsbaum, Ricardo;Garcia-Sastre, Adolfo;Versteeg, Gijs A.

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三方基序(Trim)蛋白参与多种细胞功能,包括抗病毒活性。到目前为止的研究表明,TRIMs的抗病毒活性在很大程度上依赖于它们作为E3-泛素连接酶的功能。大量的TRIM家族成员已被证明介导先天免疫细胞信号转导和随后的细胞因子诱导。此外,TRIMs的一个子集已被证明通过直接针对病毒蛋白来限制病毒复制。尽管关于TRIM E3泛素连接酶的细胞作用的研究在过去几年中迅速增长,但它们的分子工作和多功能的许多方面仍然不清楚。许多TRIMs的抗病毒功能似乎是由特定的异构体、亚细胞定位和在细胞类型特定的上下文中授予的。在此,我们对TRIM抗病毒功能的最新发现、目前的局限性以及对未来研究的展望进行综述。
Tripartite motif (TRIM) proteins have been implicated in multiple cellular functions, including antiviral activity. Research efforts so far indicate that the antiviral activity of TRIMs relies, for the most part, on their function as E3-ubiquitin ligases. A substantial number of the TRIM-family members have been demonstrated to mediate innate immune cell signal transduction and subsequent cytokine induction. In addition, a subset of TRIMs has been shown to restrict viral replication by directly targeting viral proteins. Although the body of work on the cellular roles of TRIM E3 ubiquitin ligases has rapidly grown over the last years, many aspects of their molecular workings and multi-functionality remain unclear. The antiviral function of many TRIMs seems to be conferred by specific isoforms, sub-cellular localization, and in cell-type specific contexts. Here we review recent findings on TRIM antiviral functions, current limitations and an outlook for future research.
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