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NLRP3 Inflammasome/Pyroptosis: A Key Driving Force in Diabetic Cardiomyopathy

Lixia Zhang1,2, Chenchen Ai3, Ming Bai1,2

  • 1The First School of Clinical Medicine, Lanzhou University, Lanzhou 730000, China.

International Journal of Molecular Sciences
|September 23, 2022
PubMed

Insights

Diabetic cardiomyopathy (DCM) involves low-grade inflammation and cell death. Targeting NLRP3 inflammasome and pyroptosis pathways shows promise for treating this serious diabetic complication.

Area of Science:

  • Cardiovascular Research
  • Cellular Biology
  • Diabetology

Background:

  • Diabetic cardiomyopathy (DCM) is a severe diabetic complication characterized by low-grade inflammation and high morbidity.
  • The precise mechanisms driving DCM pathogenesis remain incompletely understood.
  • Pyroptosis, a programmed cell death pathway involving gasdermin D (GSDMD), is implicated in inflammatory responses.

Purpose of the Study:

  • To review the mechanisms of pyroptosis.
  • To elucidate the role of pyroptosis in diabetic cardiomyopathy.
  • To identify potential therapeutic targets within the NLRP3 inflammasome/pyroptosis pathway for DCM.

Main Methods:

  • Literature review focusing on pyroptosis mechanisms.
  • Analysis of studies linking NLRP3 inflammasome activation and pyroptosis to DCM.
  • Synthesis of current evidence on the contribution of pyroptosis to DCM pathophysiology.

Main Results:

  • Pyroptosis, initiated by NLRP3 inflammasome activation, leads to cell lysis and inflammatory mediator release.
  • Emerging evidence strongly associates NLRP3 inflammasome/pyroptosis with the development of DCM.
  • Dysregulation of pyroptosis contributes to the inflammatory milieu in diabetic hearts.

Conclusions:

  • Targeting NLRP3 inflammasome activation or pyroptosis represents a potential therapeutic strategy for DCM.
  • Further research into pyroptosis pathways could uncover novel treatments for diabetic cardiomyopathy.
  • Understanding pyroptosis is crucial for addressing the inflammatory basis of DCM.

Keywords:
NLRP3 inflammasomediabetic cardiomyopathyinhibitorpyroptosis

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