The Role of Macrophages in Atherosclerosis: Pathophysiologic Mechanisms and Treatment Considerations

Panagiotis Theofilis1, Evangelos Oikonomou2, Konstantinos Tsioufis1

  • 1First Department of Cardiology, "Hippokration" General Hospital, University of Athens Medical School, 11527 Athens, Greece.

Insights

Macrophages are key to atherosclerosis. Targeting their M2 polarization and autophagy shows promise for treating this major cardiovascular disease, with macrophage receptors and membrane-coated carriers offering novel therapeutic avenues.

Area of Science:

  • Cardiovascular Research
  • Immunology
  • Pathophysiology

Background:

  • Atherosclerotic diseases remain a primary cause of global morbidity and mortality.
  • Macrophages play a critical role in the atherosclerotic cascade, though their precise functions require further elucidation.
  • Understanding macrophage subtypes and their distinct contributions to disease progression or regression is essential.

Purpose of the Study:

  • To explore the multifaceted roles of macrophages in atherosclerosis.
  • To highlight potential therapeutic strategies targeting macrophage polarization and autophagy.
  • To review emerging approaches involving macrophage receptors and membrane-coated carriers for atherosclerosis treatment.

Main Methods:

  • Review of current literature on macrophage biology in atherosclerosis.
  • Analysis of studies investigating M2 polarization and autophagy in atheroprotection.
  • Examination of experimental data on macrophage receptors as drug targets.
  • Evaluation of research on macrophage-membrane-coated carriers.

Main Results:

  • Distinct functions of tissue-resident and monocyte-derived macrophages in atherosclerosis identified.
  • M2 polarization and macrophage autophagy demonstrated as atheroprotective mechanisms.
  • Macrophage receptors show potential as viable drug targets.
  • Macrophage-membrane-coated carriers exhibit promising therapeutic results.

Conclusions:

  • Targeting macrophage M2 polarization and autophagy presents a promising therapeutic strategy for atherosclerotic diseases.
  • Macrophage receptors and membrane-coated carriers represent innovative avenues for future drug development in cardiovascular medicine.

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