Macrophage, a potential targeted therapeutic immune cell for cardiomyopathy

Ganyi Chen1, Hongwei Jiang1, Yiwei Yao1

  • 1Department of Thoracic and Cardiovascular Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.

Insights

Macrophages are key immune cells in cardiomyopathy, impacting heart failure. Understanding their role and developing targeted therapies for myocardial fibrosis are crucial for clinical treatment, despite current challenges.

Area of Science:

  • Cardiovascular Biology
  • Immunology
  • Pathophysiology

Background:

  • Cardiomyopathy leads to heart failure via systolic/diastolic dysfunction and cardiac remodeling.
  • Macrophages are pivotal immune cells in cardiac inflammation and fibrosis.
  • Exogenous and resident cardiac macrophages exhibit distinct functional and phenotypic differences during injury.

Purpose of the Study:

  • To elucidate the molecular mechanisms of macrophage involvement in cardiomyopathy.
  • To analyze current clinical treatment strategies for myocardial fibrosis.
  • To bridge the gap between experimental findings and clinical application of macrophage-targeted therapies.

Main Methods:

  • Comprehensive literature review on macrophage function in cardiomyopathy.
  • Analysis of existing research on molecular mechanisms.
  • Evaluation of clinical treatment strategies and challenges for myocardial fibrosis.

Main Results:

  • Macrophages significantly contribute to inflammation and fibrosis in cardiomyopathy.
  • Distinct roles of exogenous and resident macrophages in cardiac injury identified.
  • Challenges in clinical translation of macrophage-targeted therapies highlighted.

Conclusions:

  • Macrophages are critical players in the pathogenesis of cardiomyopathy.
  • Targeting macrophages holds therapeutic potential for heart failure and myocardial fibrosis.
  • Further research is needed to overcome clinical translation hurdles for macrophage-based interventions.

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