Ovine viperin inhibits bluetongue virus replication
文献类型: 外文期刊
第一作者: Kang, Di
作者: Kang, Di;Gao, Shandian;Tian, Zhancheng;Huang, Dexuan;Guan, Guiquan;Liu, Guangyuan;Luo, Jianxun;Du, Junzheng;Yin, Hong;Yin, Hong
作者机构:
关键词: BTV; Viperin; Virus replication; Antiviral immunity
期刊名称:MOLECULAR IMMUNOLOGY ( 影响因子:4.407; 五年影响因子:4.227 )
ISSN: 0161-5890
年卷期: 2020 年 126 卷
页码:
收录情况: SCI
摘要: Viral infections can lead to interferon production, which achieves its antiviral function primarily by activating the JAK/STAT pathway and inducing multiple interferon-stimulated genes (ISGs). Although considerable ISGs have been identified in antiviral researches, little is known about ISGs in bluetongue virus (BTV) infection. Viperin is the most highly induced ISG following BTV infection, which suggests that it may play a critical role in the anti-BTV immune response. The aim of this study was to characterize ovine Viperin (oViperin) and explore whether it can inhibit BTV replication. We cloned the coding sequences (CDS) of sheep Viperin, and the sequence analysis showed that oViperin displayed a high similarity with other species. oViperin has a leucine zipper in the N-terminal, a CxxxCxxC motif in the SAM domain, and a conservative C-terminus. We found that oViperin mRNA expression was significantly up-regulated in a time- and multiplicity of infection (MOI)-dependent manner following BTV infection. oViperin overexpression resulted in a significant inhibition in BTV replication, whereas an oViperin knockdown in MDOK cells increased BTV replication. This study shows for the first time, that oViperin has antiviral activity towards BTV infection and provides important information to research the interaction between BTV and oViperin.
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