The Kinase IKKβ Regulates a STING- and NF-κB-Dependent Antiviral Response Pathway in Drosophila.

The Kinase IKKβ Regulates a STING- and NF-κB-Dependent Antiviral Response Pathway in Drosophila.
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激酶IKKβ调节果蝇中的STING和NF-κB依赖性抗病毒反应途径。

DOI:
10.1016/j.immuni.2018.07.013
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发表时间:
2018-08-21
期刊:
影响因子:
32.4
通讯作者:
Imler JL
Imler JL
中科院分区:
医学1区
文献类型:
--
作者:
Goto A;Okado K;Martins N;Cai H;Barbier V;Lamiable O;Troxler L;Santiago E;Kuhn L;Paik D;Silverman N;Holleufer A;Hartmann R;Liu J;Peng T;Hoffmann JA;Meignin C;Daeffler L;Imler JL

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果蝇的抗病毒免疫包括RNA干扰和特征不明显的诱导反应。在这里,我们发现IMD途径的两个组成部分,激酶dIKKβ和转录因子Relish,是控制两种小核糖核酸样病毒感染所必需的。我们鉴定了一组由病毒感染诱导并受IKKβ和Relish调控的基因,其中包括STING的直系同源物。我们发现dSTING参与了小核糖核酸样病毒感染的控制,作用于dIKKβ的上游以调节抗病毒因子Nazo的表达。我们的数据揭示了STING在没有干扰素的动物模型中的抗病毒功能,并表明这种分子在抗病毒免疫中的进化古老作用。
Antiviral immunity in Drosophila involves RNA interference and poorly characterized inducible responses. Here, we showed that two components of the IMD pathway, the kinase dIKKβ and the transcription factor Relish, were required to control infection by two picorna-like viruses. We identified a set of genes induced by viral infection and regulated by IKKβ and Relish, which included an ortholog of STING. We showed that dSTING participated in the control of infection by picorna-like viruses, acting upstream of dIKKβ to regulate expression of Nazo, an antiviral factor. Our data reveal an antiviral function for STING in an animal model devoid of interferons, and suggest an evolutionarily ancient role for this molecule in antiviral immunity.
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