Cited by 1,113Inflammasome and immune disordersImmune Response and Inflammationinterferon and immune responses

The NLRP3 Inflammasome Mediates In Vivo Innate Immunity to Influenza A Virus through Recognition of Viral RNA

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Allen, Irving C., Scull, Margaret A., Moore, Chris B., Holl, Eda K., McElvania-TeKippe, Erin, Taxman, Debra J., Guthrie, Elizabeth H., Pickles, Raymond J. +1 more·2009·Immunity

Abstract

The nucleotide-binding domain and leucine-rich-repeat-containing (NLR) family of pattern-recognition molecules mediate host immunity to various pathogenic stimuli. However, in vivo evidence for the involvement of NLR proteins in viral sensing has not been widely investigated and remains controversial. As a test of the physiologic role of the NLR molecule NLRP3 during RNA viral infection, we explored the in vivo role of NLRP3 inflammasome components during influenza virus infection. Mice lacking Nlrp3, Pycard, or caspase-1, but not Nlrc4, exhibited dramatically increased mortality and a reduced immune response after exposure to the influenza virus. Utilizing analogs of dsRNA (poly(I:C)) and ssRNA (ssRNA40), we demonstrated that an NLRP3-mediated response could be activated by RNA species. Mechanistically, NLRP3 inflammasome activation by the influenza virus was dependent on lysosomal maturation and reactive oxygen species (ROS). Inhibition of ROS induction eliminated IL-1beta production in animals during influenza infection. Together, these data place the NLRP3 inflammasome as an essential component in host defense against influenza infection through the sensing of viral RNA.

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Crossref · 10.1016/j.immuni.2009.02.005

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  • NLRP3 seems to be important for the immune response to respiratory viruses.

    “While NOD1 and NOD2, the first NLRs identified, are involved mainly in the recognition of bacterial peptidoglycans, NLRP3 seems to be important for the immune response to respiratory viruses (5, 118, 192, 280).”

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Authors
Allen, I. C., Scull, M. A., Moore, C. B., Holl, E. K., McElvania-TeKippe, E., Taxman, D. J., Guthrie, E. H., Pickles, R. J., & Ting, J. P.-Y.
Affiliations
University of North Carolina at Chapel Hill (US)
Corresponding author
Ting, Jenny P.-Y.
Venue
Immunity
Publisher
Elsevier BV
Published
2009-04
Volume
30
Issue
4
Pages
556-565
ISSN
1074-7613 (ISSN-L)
OpenAlex
W1993728991
Cited by
1,113
References
35
Citations by year
2026: 28 · 2025: 43 · 2024: 38 · 2023: 56 · 2022: 64 · 2021: 79 · 2020: 79 · 2019: 72 · 2018: 64 · 2017: 68 · 2016: 64 · 2015: 63 · 2014: 67 · 2013: 78 · 2012: 70
FWCI
33.45
Type
journal article
Language
en
Open access
Locations
  • Immunity (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • UNC Libraries
Funders
  • Triangle Community Foundation
  • National Institutes of Health
  • U.S. Public Health Service (05-0064)
  • National Institute of Allergy and Infectious Diseases (3-U54-AI057157-06S1, AI-067798, U19AI067798, 1U19-AI077437-01, U19AI077437, U54AI057157)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
Keywords
NLRP3 inflammasome, influenza A virus, innate immunity, viral RNA sensing, pattern recognition receptors, caspase-1, IL-1β, reactive oxygen species, poly(I:C), PYCARD
MeSH terms
NLR Family, Pyrin Domain-Containing 3 Protein, Animals, Carrier Proteins, Cell Line, Humans, Immunity, Innate, Influenza, Human, Orthomyxoviridae Infections, Influenza A virus, RNA, Viral, Virus Diseases, Mice, Knockout, Mice, Influenza A Virus, H1N1 Subtype, Influenza A Virus, H3N2 Subtype, Exosomes

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