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Mechanisms of diabetic cardiomyopathy: Focus on inflammation

Myriam Bellemare1,2, Liane Bourcier1,2, Josep Iglesies-Grau1,2

  • 1Department of Medicine, Montreal Heart Institute, Montreal, QC, Canada.

Diabetes, Obesity & Metabolism
|February 10, 2025
PubMed

Insights

Type 2 diabetes (T2D) accelerates heart failure (HF) through inflammation-driven diabetic cardiomyopathy. Current therapies are limited, necessitating further research into immune pathways for novel treatments.

Area of Science:

  • Cardiology
  • Endocrinology
  • Immunology

Background:

  • Type 2 diabetes (T2D) is a significant risk factor for heart failure (HF).
  • Diabetic cardiomyopathy, a direct consequence of T2D, involves myocardial alterations independent of coronary artery disease.
  • Inflammation plays a critical role in the pathogenesis of diabetic cardiomyopathy.

Purpose of the Study:

  • To review the pathophysiological mechanisms of diabetic cardiomyopathy, emphasizing inflammation.
  • To explore diagnostic and therapeutic strategies for mitigating T2D-related myocardial damage.

Main Methods:

  • Literature review focusing on T2D, inflammation, and cardiomyopathy.
  • Analysis of current understanding of molecular mechanisms and therapeutic targets.

Main Results:

  • Chronic low-grade inflammation is a key driver of diabetic cardiomyopathy.
  • Hyperglycemia and insulin resistance in T2D activate inflammatory pathways, impairing heart function.
  • Despite progress, no specific therapies targeting cardiac changes in T2D have been approved.

Conclusions:

  • Elucidating inflammatory mechanisms in diabetic cardiomyopathy has advanced, but therapeutic progress is limited.
  • Further investigation into immune cells and inflammatory mediators is crucial for identifying new therapeutic targets.
  • Understanding molecular pathways may lead to innovative treatments and improved outcomes for T2D patients with HF.
Abstract

Keywords:
diabetesdiabetic cardiomyopathyfibrosisheart failureinflammation

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