Dicer's role as an antiviral: still an enigma.

Dicer's role as an antiviral: still an enigma.
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DOI:
10.1016/j.coi.2013.10.015
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发表时间:
2014-02
影响因子:
7
通讯作者:
Kurt-Jones EA
Kurt-Jones EA
中科院分区:
医学2区
文献类型:
--
作者:
MacKay CR;Wang JP;Kurt-Jones EA

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Dicer 是一种多功能蛋白质,对于各个物种的 microRNA 生成至关重要,而这一功能在动植物界中高度保守。有趣的是,Dicer 在包括黑腹果蝇和秀丽隐杆线虫在内的低等生物中表现出抗病毒功能。抗病毒活性是通过病毒 dsRNA 的细胞质感应后产生小干扰 RNA 来实现的。值得注意的是,这种抗病毒活性尚未在哺乳动物等高等生物中得到明确证明。在这里,我们回顾了 Dicer 作为跨物种先天抗病毒药物的证据。
Dicer is a multifunctional protein that is essential across species for the generation of microRNAs, a function that is highly conserved across the plant and animal kingdoms. Intriguingly, Dicer exhibits antiviral functions in lower organisms including Drosophila melanogaster and Caenorhabditis elegans. Antiviral activity occurs via small interfering RNA production following cytoplasmic sensing of viral dsRNA. Notably, such antiviral activity has not yet been clearly demonstrated in higher organisms such as mammals. Here, we review the evidence for Dicer as an innate antiviral across species.
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