Viral miRNAs and immune evasion.

Viral miRNAs and immune evasion.
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DOI:
10.1016/j.bbagrm.2011.06.012
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发表时间:
2011-11
影响因子:
4.7
通讯作者:
Renne, Rolf
Renne, Rolf
中科院分区:
生物学2区
文献类型:
--
作者:
Boss, Isaac W.;Renne, Rolf

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病毒mirna是转录后调节基因表达的22nt RNA分子,正在成为免疫逃避的重要工具。病毒感染是一个复杂的过程,需要免疫逃避才能在宿主体内建立持久的终身感染。在这个过程中,病毒同时表达蛋白质编码基因和非编码基因,这有助于调节细胞环境,使其更有利于感染。在过去的十年中,人们发现DNA病毒表达了一种多样而丰富的小非编码RNA分子,称为microrna (miRNAs)。这些病毒编码的mirna是非免疫原性的,因此是用来逃避先天和适应性免疫反应的重要工具。这篇综述旨在总结我们目前对疱疹病毒和多瘤病毒编码的mirna的了解,以及它们如何通过靶向病毒和/或宿主细胞基因来促进免疫逃避。
Viral miRNAs, ∼22nt RNA molecules which post-transcriptionally regulate gene expression, are emerging as important tools in immune evasion. Viral infection is a complex process that requires immune evasion in order to establish persistent life-long infection of the host. During this process viruses express both protein-coding and non-coding genes, which help to modulate the cellular environment making it more favorable for infection. In the last decade, it was uncovered that DNA viruses express a diverse and abundant pool of small non-coding RNA molecules, called microRNAs (miRNAs). These virally encoded miRNAs are non-immunogenic and therefore are important tools used to evade both innate and adaptive immune responses. This review aims to summarize our current knowledge of herpesvirus- and polyomavirus-encoded miRNAs, and how they contribute to immune evasion by targeting viral and/or host cellular genes.
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