期刊
FRONTIERS IN IMMUNOLOGY
卷 11, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2020.625833
关键词
Toll-like receptor; RIG-I-like receptor; cGAMP synthase; nucleic acid sensing; autoimmune disease; autoinflammatory disease
类别
Recognition of pathogen-derived nucleic acids by PRRs is crucial for antiviral immune responses, but abnormal recognition of self-nucleic acids by PRRs is associated with autoimmune diseases.
Recognition of pathogen-derived nucleic acids by pattern-recognition receptors (PRRs) is essential for eliciting antiviral immune responses by inducing the production of type I interferons (IFNs) and proinflammatory cytokines. Such responses are a prerequisite for mounting innate and pathogen-specific adaptive immune responses. However, host cells also use nucleic acids as carriers of genetic information, and the aberrant recognition of self-nucleic acids by PRRs is associated with the onset of autoimmune or autoinflammatory diseases. In this review, we describe the mechanisms of nucleic acid sensing by PRRs, including Toll-like receptors, RIG-I-like receptors, and DNA sensor molecules, and their signaling pathways as well as the disorders caused by uncontrolled or unnecessary activation of these PRRs.
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