Contradictory regulation of macrophages on atherosclerosis based on polarization, death and autophagy

Jing Zhang1, Chuan-Rui Ma1, Yun-Qing Hua1

  • 1First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300193, China; Tianjin State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.

Life Sciences
|February 1, 2021
PubMed

Insights

Macrophages play a crucial role in atherosclerosis by influencing lipid metabolism and inflammation. Understanding macrophage polarization, death, and autophagy is key to developing new treatment strategies for this cardiovascular disease.

Area of Science:

  • Cardiovascular Biology
  • Immunology
  • Cell Biology

Background:

  • Atherosclerosis is characterized by lipid metabolism disorder and inflammation.
  • Macrophages are central immune cells involved throughout atherosclerosis development, transforming into foam cells that promote disease initiation.
  • Current treatment strategies focus on promoting lipid outflow from foam cells and reducing inflammation.

Purpose of the Study:

  • To discuss the multifaceted role of macrophages in atherosclerosis.
  • To explore how macrophage polarization, cell death, and autophagy impact disease progression.
  • To provide insights into potential therapeutic targets within macrophage biology.

Main Methods:

  • Review of existing literature on macrophage function in atherosclerosis.
  • Analysis of the mechanisms underlying macrophage polarization and its link to lipid accumulation.
  • Examination of the role of macrophage autophagy in lipid metabolism and inflammation.

Main Results:

  • Abnormal macrophage polarization contributes to lipid accumulation and affects plaque stability.
  • Dysregulated autophagy in macrophages can lead to cell death and influence lipid metabolism and inflammation.
  • Macrophage phenotypes within plaques can serve as indicators for disease progression.

Conclusions:

  • Macrophage polarization, death, and autophagy are critical determinants of atherosclerosis.
  • Targeting these macrophage processes offers potential therapeutic avenues for atherosclerosis treatment.
  • Further research into macrophage behavior is essential for effective disease management.

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