Toward a crystal-clear view of the viral RNA sensing and response by RIG-I-like receptors
The RIG-I-like receptors (RLRs)—RIG-I, MDA5, and LGP2—detect intracellular pathogenic RNA and elicit an antiviral immune response during viral infection. The protein architecture of the RLR family consists of multiple functional domains, including N-terminal Caspase Activation and Recruitment Domain...
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| Format: | Article |
| Language: | English |
| Published: |
2014
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| Online Access: | https://hdl.handle.net/10356/103313 http://hdl.handle.net/10220/19285 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | The RIG-I-like receptors (RLRs)—RIG-I, MDA5, and LGP2—detect intracellular pathogenic RNA and elicit an antiviral immune response during viral infection. The protein architecture of the RLR family consists of multiple functional domains, including N-terminal Caspase Activation and Recruitment Domains (CARDs) for signaling initiation, a central RNA helicase core, and a C-terminal domain for RNA sensing. With these specialized sensing-and-responding modules, RLRs are able to selectively bind non-self RNA species and trigger downstream signaling events leading to interferon production. This article summarizes the recent progress toward defining the precise mechanisms of RNA recognition and subsequent signal induction by RLRs. |
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