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Updated: Jun 2, 2026

Monitoring Activation of the Antiviral Pattern Recognition Receptors RIG-I And PKR By Limited Protease Digestion and Native PAGE
Published on: July 29, 2014
From virus to inflammation: mechanisms of RIG-I-induced IL-1β production
1III. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.
Abstract:
Early detection of viruses by the innate immune system is critical for host defense. Antiviral immunity is initiated by germline encoded pattern recognition receptors (PRRs) that recognize viral pathogen-associated molecular patterns (PAMPs) such as nucleic acids. Intracellular PRRs then drive the production of interferons and cytokines to orchestrate immune responses. One key host factor that is critical for antiviral immunity and for systemic inflammatory reactions including fever is interleukin-1beta (IL-1β). Here we discuss current insights into the molecular mechanisms how the cytosolic RNA helicase RIG-I triggers NF-κB signaling and inflammasome activation specifically for RNA virus-induced IL-1β production.
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