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首页> 外文期刊>Hepatology: Official Journal of the American Association for the Study of Liver Diseases >Cyclic guanosine monophosphate/adenosine monophosphate synthase (cGAS), innate immune responses, and viral hepatitis
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Cyclic guanosine monophosphate/adenosine monophosphate synthase (cGAS), innate immune responses, and viral hepatitis

机译:环状鸟苷一磷酸/腺苷一磷酸合酶(cGAS),先天免疫应答和病毒性肝炎

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摘要

The type I interferon (IFN) response protects cells from viral infection by inducing hundreds of interferon-stimulated genes (ISGs), some of which encode direct antiviral effectors. Recent screening studies have begun to catalogue ISGs with antiviral activity against several RNA and DNA viruses. However, antiviral ISG specificity across multiple distinct classes of viruses remains largely unexplored. Here we used an ectopic expression assay to screen a library of more than 350 human ISGs for effects on 14 viruses representing 7 families and 11 genera. We show that 47 genes inhibit one or more viruses, and 25 genes enhance virus infectivity. Comparative analysis reveals that the screened ISGs target positive-sense single stranded RNA viruses more effectively than negative-sense single stranded RNA viruses.
机译:I型干扰素(IFN)响应通过诱导数百种干扰素刺激基因(ISG)来保护细胞免受病毒感染,其中某些基因编码直接的抗病毒效应子。最近的筛选研究已开始对具有针对几种RNA和DNA病毒的抗病毒活性的ISG进行分类。但是,在多种不同类别的病毒中,抗病毒ISG的特异性仍未开发。在这里,我们使用异位表达试验筛选了350多个人ISG的文库,以研究代表7个科和11个属的14种病毒的影响。我们显示47基因抑制一种或多种病毒,而25基因增强病毒的感染性。对比分析显示,筛选出的ISG比负链单链RNA病毒更有效地靶向正链单链RNA病毒。

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