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KMID : 1236020180460040320
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Microbiology and Biotechnology Letters
2018 Volume.46 No. 4 p.320 ~ p.325
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Hepatitis E Virus Inhibits Activation of Signaling Molecules Involved in Induction of Type I Interferon
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Myoung Jin-Jong
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Abstract
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Hepatitis E virus (HEV) infection accounts for 20 million annual infections worldwide. HEV can be fatal in approximately 20?30% of pregnant women. HEV infections are normally self-limiting and mostly asymptomatic. However, in patients with insufficient immunity, such as acquired immunodeficiency syndrome patients, chronic and often fatal infections may ensue. Therefore, it is likely that host immune responses, especially interferon responses, play a critical role in HEV infection control. Here, we report that an HEVencoded non-structural protein down-regulates type I interferon response. In addition, some other immune genes involved in the induction of type I interferon may be regulated as well. Detailed molecular mechanisms are currently being studied.
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KEYWORD
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Hepatitis E virus, type I interferon, protease
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