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Innate immune detection of microbial nucleic acids

机译:微生物核酸的先天免疫检测

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Detection of pathogen-derived nucleic acids by pattern recognition receptors (PRRs) is essential for the host to mount an appropriate immune response, which for viruses involves the induction of type I interferons (IFNs). By contrast, inappropriate activation of PRRs by self nucleic acids can lead to autoimmunity. Recent developments in PRR research have uncovered important new molecular details as to how Toll-like receptors (TLRs) and retinoic acid-inducible gene-I (RIG-I)-like receptors (RLRs) distinguish pathogen from self RNA, while the discovery of cytosolic DNA sensing pathways for IFN induction has revealed completely new innate signaling mechanisms, and also questions how innate immunity discriminates between self and non-self DNA, if at all.
机译:通过模式识别受体(PRR)检测病原体衍生的核酸对于宿主发出适当的免疫反应至关重要,对于病毒而言,这涉及诱导I型干扰素(IFN)。相比之下,自身核酸对PRR的不适当激活会导致自身免疫。 PRR研究的最新进展揭示了关于Toll样受体(TLR)和视黄酸诱导型基因I(RIG-I)样受体(RLR)如何区分病原体与自身RNA的重要分子新细节, IFN诱导的胞质DNA传感途径揭示了全新的先天信号传导机制,并且还质疑先天免疫如何区分自身和非自身DNA(如果有的话)。

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