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The interplay between autophagy and apoptosis in the diabetic heart

Changhan Ouyang1, Jieyun You1, Zhonglin Xie1

  • 1Section of Molecular Medicine, Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.

Journal of Molecular and Cellular Cardiology
|February 12, 2014
PubMed

Insights

Diabetic cardiomyopathy, a complication of diabetes, involves heart dysfunction. This review explores how the interplay between cardiomyocyte apoptosis and suppressed cardiac autophagy contributes to diabetic heart disease progression.

Area of Science:

  • Cardiovascular Research
  • Metabolic Disease Mechanisms
  • Cellular Biology

Background:

  • Diabetic cardiomyopathy (DCM) is ventricular dysfunction in diabetic patients, unrelated to other cardiovascular conditions.
  • DCM is a significant contributor to mortality in individuals with diabetes.
  • Understanding the pathogenesis of DCM is crucial for developing effective treatments.

Purpose of the Study:

  • To review recent advances in the understanding of diabetic cardiomyopathy.
  • To elucidate the critical role of the interplay between apoptosis and autophagy in DCM pathogenesis.
  • To highlight the importance of protein quality control in diabetic cardiac dysfunction.

Main Methods:

  • Literature review of recent scientific publications.
  • Analysis of emerging evidence on cellular pathways in diabetic cardiomyopathy.
  • Focus on the interaction between autophagy and apoptosis in cardiomyocytes.

Main Results:

  • Diabetes mellitus induces cardiomyocyte apoptosis (programmed cell death).
  • Diabetes suppresses cardiac autophagy, a cellular degradation process.
  • The crosstalk between apoptotic and autophagic pathways is central to DCM development.

Conclusions:

  • The interaction between cardiomyocyte apoptosis and suppressed autophagy is a key mechanism in diabetic cardiomyopathy.
  • Targeting these pathways may offer therapeutic strategies for diabetic heart disease.
  • Further research into protein quality control mechanisms is warranted for DCM.

Keywords:
AMPKApoptosisAutophagyDiabetic cardiomyopathy

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