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Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...
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[Inflammasomes in human diseases].

Y Jamilloux1, P Sève2, T Henry3

  • 1Service de médecine interne, CHU de la Croix-Rousse, 103, grande rue de la Croix-Rousse, 69004 Lyon, France; Centre international de recherche en infectiologie, Inserm U1111, CNRS UMR5308, université Lyon-1, ENS de Lyon, 21, avenue Tony-Garnier, 69365 Lyon, France; Département de biochimie, université de Lausanne, 155, chemin des Boveresses, 1066 Epalinges, Suisse; Université Claude-Bernard - Lyon-1, 69007 Lyon, France.

La Revue De Medecine Interne
|June 8, 2014
PubMed
Summary
This summary is machine-generated.

Recent discoveries of innate immune receptors like Toll-like receptors (TLRs) and NOD-like receptors (NLRs) have advanced our understanding of host defense. This review details inflammasome activation and its role in various inflammatory and metabolic diseases.

Keywords:
Auto-inflammatory diseasesCaspase-1IL-1βInflammasomeMaladies auto-inflammatoiresPyroptosePyroptosis

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Area of Science:

  • Immunology
  • Molecular Biology
  • Pathology

Background:

  • Innate immunity, the host's first defense, has been redefined by discoveries of receptors like Toll-like receptors (TLRs) and NOD-like receptors (NLRs).
  • Certain NOD-like receptors (NLRs) form inflammasomes upon detecting microbial or danger signals.
  • Inflammasome activation triggers caspase-1, initiating inflammatory responses and programmed cell death (pyroptosis).

Purpose of the Study:

  • To review recent advancements in inflammasome biology.
  • To explore the inflammasome's involvement in diverse disease pathologies.

Main Methods:

  • Literature review of recent scientific publications.
  • Synthesis of current knowledge on inflammasome assembly and function.
  • Analysis of the inflammasome's role in disease pathogenesis.

Main Results:

  • The discovery of NLRs and their role in inflammasome formation has significantly advanced innate immunity understanding.
  • Inflammasome activation by NLRs leads to caspase-1 activation, pyroptosis, and inflammatory responses.
  • Recent research highlights the inflammasome's critical involvement in auto-inflammatory, autoimmune, metabolic, cardiovascular, and rheumatic diseases.

Conclusions:

  • The inflammasome is a key mediator in innate immunity and programmed cell death.
  • Dysregulation of inflammasome pathways contributes to the pathogenesis of numerous inflammatory and metabolic diseases.
  • Further research into inflammasomes offers potential therapeutic targets for these conditions.