CD36 in Atherosclerosis: Pathophysiological Mechanisms and Therapeutic Implications

Kunming Tian1, Yan Xu2, Amirhossein Sahebkar3,4,5

  • 1Department of Preventive Medicine, School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China. nonstandstill@163.com.

Insights

CD36 (scavenger receptor) plays a key role in atherosclerosis by mediating lipid uptake and inflammation. Targeting CD36 offers potential therapeutic strategies for this chronic cardiovascular disease.

Area of Science:

  • Cardiovascular Biology
  • Immunology
  • Metabolic Disease

Background:

  • Atherosclerosis involves lipid retention and inflammation in artery walls, driven by modified low-density lipoprotein (LDL).
  • Oxidized LDL (ox-LDL) uptake by cells via scavenger receptors like CD36 is critical in plaque development.
  • CD36 is a scavenger receptor and signaling hub involved in lipid and inflammatory pathways.

Purpose of the Study:

  • To review the structure, ligands, functions, and regulation of CD36 in atherosclerosis.
  • To focus on the pathological role of CD36 in endothelial cells, smooth muscle cells, monocytes/macrophages, and platelets.
  • To highlight therapeutic strategies targeting CD36 for atherosclerosis.

Main Methods:

  • State-of-the-art literature review.
  • Analysis of CD36's role in cellular dysfunction.
  • Examination of CD36's involvement in lipid and inflammatory pathways.

Main Results:

  • CD36 deficiency in mice suggests a protective role against atherosclerosis.
  • Soluble CD36 levels are elevated in patients with atherosclerosis and metabolic disorders.
  • CD36 mediates ox-LDL uptake and contributes to cellular dysfunction in atherosclerosis.

Conclusions:

  • CD36 is a significant contributor to atherosclerotic plaque formation and progression.
  • Targeting CD36 expression or activity presents a promising therapeutic avenue for atherosclerosis.
  • Further research into CD36's multifaceted roles can advance cardiovascular disease treatment.
Abstract

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