Cited by 3,340Inflammasome and immune disordersImmune Response and Inflammationinterferon and immune responses

Inflammasomes: mechanism of action, role in disease, and therapeutics

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Guo, Haitao, Callaway, Justin B, Ting, Jenny P-Y·2015·Nature Medicine

Abstract

The inflammasomes are innate immune system receptors and sensors that regulate the activation of caspase-1 and induce inflammation in response to infectious microbes and molecules derived from host proteins. They have been implicated in a host of inflammatory disorders. Recent developments have greatly enhanced our understanding of the molecular mechanisms by which different inflammasomes are activated. Additionally, increasing evidence in mouse models, supported by human data, strongly implicates an involvement of the inflammasome in the initiation or progression of diseases with a high impact on public health, such as metabolic disorders and neurodegenerative diseases. Finally, recent developments pointing toward promising therapeutics that target inflammasome activity in inflammatory diseases have been reported. This review will focus on these three areas of inflammasome research.

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  • Inflammasomes activate Caspase-1, interleukin (IL)-1β, and IL-18 to produce pyroptosis that releases damage-associated molecular patterns (DAMPs) to subsequently recruit more immune cells.

    “Inflammasomes activate Caspase-1, interleukin (IL)-1β, and IL-18 to produce pyroptosis that releases damage-associated molecular patterns (DAMPs) to subsequently recruit more immune cells to mount a robust immune attack against pathogens102.”

    From Key points for the development of antioxidant cocktails to prevent cellular stress and damage caused by reactive oxygen species (ROS) during manned space missions (2021) · cites this paper as [102]

    The Introduction and “General principles of inflammasome activation” describe inflammasome activation of caspase-1, which processes IL-1β and IL-18 and induces pyroptosis. “Therapies that target inflammasomes” says pyroptosis releases DAMPs that induce more inflammation. The copy does not establish the claimed next step—that those DAMPs recruit more immune cells to attack pathogens. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • The NLRP3 inflammasome mediates proteolytic cleavage of pro-caspase-1 leading to activation of caspase-1, which cleaves pro-interleukin 1β and 18 into their active cytokine forms.

    “The NLR3P inflammasome mediates proteolytic cleave of pro-caspase-1 leading to activation of caspase-1, which cleaves pro-interleukin 1β and 18 into their active cytokine forms (47).”
  • Transcriptomic data showed an increased inflammatory response in hepatocytes under lipotoxic conditions, with upregulation of Toll-like receptors, chemokines, and STATs.

    “Transcriptomic data support an increased inflammatory response triggered by the lipotoxic milieu in hepatocytes, where gene expression changes in inflammation and inflammasome (33) signaling pathways were increased”

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Authors
Guo, H., Callaway, J. B., & Ting, J. P.-Y.
Affiliations
University of North Carolina at Chapel Hill (US)
Corresponding author
Ting, Jenny P-Y
Venue
Nature Medicine
Published
2015-06-29
Volume
21
Issue
7
Pages
677-687
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W1561041814
Cited by
3,340
References
146
Citations by year
2026: 228 · 2025: 270 · 2024: 351 · 2023: 343 · 2022: 377 · 2021: 392 · 2020: 341 · 2019: 277 · 2018: 291 · 2017: 270 · 2016: 165 · 2015: 32 · 2013: 1
FWCI
24.29
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • UNC Libraries
Funders
  • National Multiple Sclerosis Society
  • National Institutes of Health
  • National Cancer Institute (R01CA156330, CA156330)
  • National Institute of Allergy and Infectious Diseases (R37AI029564)
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
inflammasome, caspase-1 activation, innate immunity, inflammatory diseases, metabolic disorders, neurodegenerative diseases
MeSH terms
Animals, Disease, Disease Models, Animal, Humans, Inflammation, Models, Immunological, Inflammasomes, Molecular Targeted Therapy

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