Pyroptosis in development, inflammation and disease

Yuhong Pan1,2,3, Wenjun Cai1,2,3, Juan Huang1,2,3

  • 1Research Center of Avian Disease, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China.

Frontiers in Immunology
|October 3, 2022
PubMed

Insights

Pyroptosis, a cell death mode regulated by caspase-1, involves inflammasomes, inflammatory caspases, and gasdermins. These pathways are crucial for understanding inflammation and disease progression.

Area of Science:

  • Cellular Biology
  • Immunology
  • Pathology

Background:

  • Caspase-1, initially known for inflammation and cell survival, was found to regulate pyroptosis, a distinct cell death pathway.
  • The inflammasome complex, inflammatory caspases (caspase-4/5/11), and gasdermins (gasdermin A-E, DFNB59) are key components of the pyroptotic pathway.
  • Apoptotic factors like caspase-3/8 and granzymes also play a role in inducing pyroptosis.

Purpose of the Study:

  • To summarize current findings on the mediators of pyroptosis.
  • To define the roles of inflammasomes, inflammatory caspases, and gasdermins in cell death.
  • To elucidate how pyroptosis regulates disease progression.

Main Methods:

  • Literature review and synthesis of existing research findings.
  • Analysis of the molecular mechanisms underlying pyroptosis.
  • Correlation of pyroptosis pathways with disease development.

Main Results:

  • Pyroptosis is a critical inflammatory cell death pathway.
  • Inflammasomes, inflammatory caspases, and gasdermins are central to pyroptosis execution.
  • The pathway is implicated in the pathogenesis of various diseases.

Conclusions:

  • Understanding pyroptosis mediators is essential for comprehending cell fate determination.
  • Targeting pyroptosis pathways may offer therapeutic strategies for inflammatory diseases.
  • Further research is needed to fully elucidate the complex roles of pyroptosis in health and disease.

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