[Macrophage: pathogenesis in the progression of atherosclerosis]

Toshihiro Tsuruda1, Kinta Hatakeyama, Kazuo Kitamura

  • 1Department of Internal Medicine, Circulatory and Body Fluid Regulation.

Insights

Macrophages are key players in atherosclerosis, influencing plaque instability and cardiovascular disease progression. Targeting macrophage metabolism and function offers a promising therapeutic strategy for treating atherosclerosis.

Area of Science:

  • Immunology
  • Metabolic pathways
  • Cardiovascular research

Context:

  • Atherosclerosis involves macrophage accumulation and activation within arterial walls, specifically in the intima, media, and adventitia.
  • Macrophages exhibit dynamic characteristics influencing plaque instability, thrombus formation, and arterial remodeling.
  • Immune cell interactions, particularly between macrophages and mast cells, are crucial in atherosclerotic processes.

Purpose:

  • To explore the multifaceted roles of macrophages in the pathogenesis of atherosclerosis.
  • To investigate the involvement of metabolic molecules like sirtuin-1 and peroxisome proliferator-activated receptor gamma in macrophage-mediated atherosclerosis.
  • To highlight the potential of targeting macrophage activation and function as a therapeutic strategy for cardiovascular diseases.

Summary:

  • Macrophages are central to atherosclerotic development, residing in various arterial layers and driving plaque progression.
  • Metabolic regulators (sirtuin-1, PPARγ) within macrophages influence atherosclerotic processes.
  • Coordinated immune cell activity, including mast cells, alongside macrophages, contributes to disease evolution.

Impact:

  • Understanding macrophage behavior in atherosclerosis can lead to novel therapeutic interventions.
  • Targeting macrophage metabolism and function presents a potential strategy to attenuate atherosclerosis-related cardiovascular diseases.
  • This research underscores the significance of immunometabolism in cardiovascular health and disease.

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