The Role of Interferon in Persistent Viral Infection: Insights from Murine Norovirus.

The Role of Interferon in Persistent Viral Infection: Insights from Murine Norovirus.
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DOI:
10.1016/j.tim.2017.10.010
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发表时间:
2018-06
影响因子:
15.9
通讯作者:
Van Winkle JA
Van Winkle JA
中科院分区:
生物学1区
文献类型:
--
作者:
Nice TJ;Robinson BA;Van Winkle JA

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持续的病毒感染是逃避或避免灭菌免疫的结果,延长了病毒传播的时间范围,并可能引发疾病。先前在持续感染小鼠模型上的研究表明,无效的适应性免疫反应是持续病毒感染所必需的。然而,最近在持续感染的小鼠诺如病毒(MNV)模型中的工作表明,先天性免疫可以控制早期和持续的病毒复制,而不依赖于适应性免疫效应功能。干扰素(IFN)除了在调节获得性免疫中发挥作用外,对持久性MNV的先天控制也是核心的。此外,干扰素亚型在持续MNV感染的先天控制中发挥着独特的组织特异性作用。I型干扰素(α/β)控制全身复制,III型干扰素(λ)控制肠道上皮细胞中MNV的持续。在这篇文章中,我们将回顾MNV模型的最新发现,强调IFN和天然免疫在清除持续性病毒感染方面的作用,并讨论这些发现对控制持续性人类感染的更广泛的影响。
Persistent viral infections result from evasion or avoidance of sterilizing immunity, extend the timeframe of virus transmission, and can trigger disease. Prior studies in mouse models of persistent infection have suggested that ineffective adaptive immune responses are necessary for persistent viral infection. However, recent work in the murine norovirus (MNV) model of persistent infection demonstrates that innate immunity can control both early and persistent viral replication independent of adaptive immune effector functions. Interferons (IFNs) are central to the innate control of persistent MNV, apart from a role in modulating adaptive immunity. Furthermore, subtypes of IFN play distinct tissue-specific roles in innate control of persistent MNV infection. Type I IFN (IFN-α/β) controls systemic replication and type III IFN (IFN-λ) controls MNV persistence in the intestinal epithelium. In this article, we will review recent findings in the MNV model, highlighting the role of IFNs and innate immunity in clearing persistent viral infection, and discussing the broader implications of these findings for control of persistent human infections.
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