Tetherin and its viral antagonists.

Tetherin and its viral antagonists.
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DOI:
10.1007/s11481-010-9256-1
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发表时间:
2011-06
影响因子:
6.2
通讯作者:
Liang, Chen
Liang, Chen
中科院分区:
医学3区
文献类型:
--
作者:
Kuhl, Bjoern D.;Cheng, Vicky;Wainberg, Mark A.;Liang, Chen

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限制因素构成了宿主抵抗病毒感染的重要防御层。一些限制因子是组成型表达,而大多数是由干扰素诱导以引发先天免疫。除了RNaseL/OAS、ISG15、Mx、PKR和ADAR等许多已充分表征的干扰素诱导抗病毒因子外,最近发现tetherin (BST-2/CD317/HM1.24)可以阻止包膜病毒从细胞表面释放,这被认为是干扰素诱导的一种新型抗病毒机制。在这里,我们简要回顾了 Tetherin 的发现历史,讨论了 Tetherin 如何阻止病毒的产生,并重点介绍了病毒逃避 Tetherin 限制的对策。
Restriction factors comprise an important layer of host defense to fight against viral infection. Some restriction factors are constitutively expressed whereas the majority is induced by interferon to elicit innate immunity. In addition to a number of well-characterized interferon-inducible antiviral factors such as RNaseL/OAS, ISG15, Mx, PKR, and ADAR, tetherin (BST-2/CD317/HM1.24) was recently discovered to block the release of enveloped viruses from the cell surface, which is regarded as a novel antiviral mechanism induced by interferon. Here, we briefly review the history of tetherin discovery, discuss how tetherin blocks virus production, and highlight the viral countermeasures to evade tetherin restriction.
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