IFITMs restrict the replication of multiple pathogenic viruses.

IFITMs restrict the replication of multiple pathogenic viruses.
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DOI:
10.1016/j.jmb.2013.09.024
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发表时间:
2013-12-13
影响因子:
5.6
通讯作者:
Brass, Abraham L.
Brass, Abraham L.
中科院分区:
生物学2区
文献类型:
--
作者:
Perreira, Jill M.;Chin, Christopher R.;Feeley, Eric M.;Brass, Abraham L.

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干扰素诱导跨膜蛋白(IFITM)家族抑制越来越多的致病性病毒,其中包括甲型流感病毒、登革热病毒、丙型肝炎病毒和埃博拉病毒。本文综述了IFITM的分子决定因素,潜在的作用机制和对发病机制的影响,我们的理解的最新进展。IFITM是阻断病毒融合导致病毒降解的宿主膜内蛋白。IFITM抑制越来越多的致病性病毒,包括甲型流感病毒、登革热病毒和埃博拉病毒。当感染甲型流感病毒时,Ifitm3无效的小鼠表现出增加的疾病严重程度。表达IFITM3的变体等位基因的患者更可能发展为严重的流感感染。最近的研究表明,IFITMs可能会使宿主细胞膜变硬,从而阻止病毒膜融合。
The interferon-inducible transmembrane protein (IFITM) family inhibits a growing number of pathogenic viruses, among them influenza A virus, dengue virus, hepatitis C virus, and Ebola virus. This review covers recent developments in our understanding of the IFITM's molecular determinants, potential mechanisms of action, and impact on pathogenesis. IFITMs are host intramembrane proteins that block viral fusion resulting in virus degradation. IFITMs inhibit a growing number of pathogenic viruses, including influenza A virus, dengue virus, and Ebola virus. Mice null for Ifitm3 exhibit increased disease severity when infected with the influenza A virus. Patients expressing a variant allele of IFITM3 are more likely to develop severe influenza infection. Recent work suggests that IFITMs may toughen the host membrane, thus preventing viral membrane fusion.
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