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CD36: implications in cardiovascular disease
Maria Febbraio1, Roy L Silverstein
1Cleveland Clinic, Lerner Research Institute, Department of Cell Biology, NC-10, 9500 Euclid Avenue, Cleveland, OH 44195, United States. febbram@ccf.org
Insights
Cluster of Differentiation 36 (CD36) is a multifaceted receptor involved in cardiovascular disease. Further research is needed to fully understand its complex mechanisms and roles in both health and disease.
Area of Science:
- Biochemistry
- Immunology
- Cardiovascular Research
Background:
- Cluster of Differentiation 36 (CD36) is a widely expressed membrane glycoprotein.
- It functions as a facilitator of fatty acid uptake, a signaling molecule, and a receptor for various ligands.
- CD36 is present on immune cells and in cardiovascular tissues, indicating diverse physiological and pathological roles.
Purpose of the Study:
- To review the known functions of CD36 in cardiovascular disease.
- To identify gaps in the understanding of CD36's mechanistic roles.
- To highlight areas for future research regarding CD36 in cardiovascular pathology.
Main Methods:
- Literature review of existing research on CD36.
- Synthesis of information on CD36's known functions and ligand interactions.
- Analysis of CD36 expression patterns in cardiovascular contexts.
Main Results:
- CD36 mediates uptake of modified low-density lipoproteins, a key process in atherosclerosis.
- It interacts with apoptotic cells and bacterial components, influencing inflammatory responses.
- CD36 plays roles in fatty acid metabolism and signaling within cardiovascular tissues.
Conclusions:
- CD36 is a critical multi-functional receptor in cardiovascular disease.
- Despite extensive research, the precise molecular mechanisms of CD36 action require further elucidation.
- Understanding CD36 is essential for developing novel therapeutic strategies for cardiovascular conditions.
Abstract:
CD36 is a broadly expressed membrane glycoprotein that acts as a facilitator of fatty acid uptake, a signaling molecule, and a receptor for a wide range of ligands, including apoptotic cells, modified forms of low density lipoprotein, thrombospondins, fibrillar beta-amyloid, components of Gram positive bacterial walls and malaria infected erythrocytes. CD36 expression on macrophages, dendritic and endothelial cells, and in tissues including muscle, heart, and fat, suggest diverse roles, and indeed, this is truly a multi-functional receptor involved in both homeostatic and pathological conditions. Despite an impressive increase in our knowledge of CD36 functions, in depth understanding of the mechanistic aspects of this protein remains elusive. This review focuses on CD36 in cardiovascular disease-what we know, and what we have yet to learn.
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