Feedback inhibition by interferon-γ blocks the NLRP3 inflammasome by triggering inducible nitric oxide synthase (iNOS), and the resulting nitric oxide (NO) thio-nitrosylates NLRP3, shutting it down. This prevents excessive immunopathology during chronic infection with Mycobacterium tuberculosis.
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Rayamajhi, M., Miao, E. Just say NO to NLRP3. Nat Immunol 14, 12–14 (2013). https://doi.org/10.1038/ni.2493
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DOI: https://doi.org/10.1038/ni.2493
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