Journal
IMMUNOLOGICAL REVIEWS
Volume 243, Issue -, Pages 61-73Publisher
WILEY-BLACKWELL
DOI: 10.1111/j.1600-065X.2011.01048.x
Keywords
TLR; RLR; DNA sensors; autoimmune disease
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Funding
- Grants-in-Aid for Scientific Research [23689030] Funding Source: KAKEN
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Host cells trigger signals for innate immune responses upon recognition of conserved structures in microbial pathogens. Nucleic acids, which are critical components for inheriting genetic information in all species including pathogens, are key structures sensed by the innate immune system. The corresponding receptors for foreign nucleic acids include members of Toll-like receptors, RIG-I-like receptors, and intracellular DNA sensors. While nucleic acid recognition by these receptors is required for host defense against the pathogen, there is a potential risk to the host of self-nucleic acids recognition, thus precipitating autoimmune and autoinflammatory diseases. In this review, we discuss the roles of nucleic acid-sensing receptors in guarding against pathogen invasion, discriminating between self and non-self, and contributing to autoimmunity and autoinflammatory diseases.
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