Related Experiment Video
Updated: Jun 22, 2026
Isolation Protocol of Mouse Monocyte-derived Dendritic Cells and Their Subsequent In Vitro Activation with Tumor Immune Complexes
Published on: May 31, 2018
CD36 modulation in the subintimal trapping and LDL-mediated migration of macrophages
Umar Sadat1, Jonathan H Gillard, Kevin Varty
1Fellow for Medical Research Council and Royal College of Surgeons of England, Box 201, Level 6, Regional Vascular Unit, Addenbrooke's Hospital, Cambridge, CB2 0QQ, UK. sadat.umar@gmail.com
Insights
CD36 protein influences macrophage movement in response to oxidized low-density lipoprotein (LDL), potentially trapping these cells in arteries. This finding may offer new therapeutic targets for atherosclerosis.
Area of Science:
- Cardiovascular Biology
- Immunology
- Cell Biology
Background:
- Atherosclerosis is a chronic inflammatory disease driven by oxidized low-density lipoprotein (LDL) deposition in the arterial intima.
- Macrophages play a critical role by phagocytosing oxidized LDL, but their subsequent retention within the intima contributes to plaque progression.
Discussion:
- This study investigates the role of CD36 in regulating macrophage migration.
- The research explores how CD36 mediates macrophage response to oxidized LDL, a key factor in atherogenesis.
Key Insights:
- CD36 was identified as a key modulator of macrophage migration in response to oxidized LDL in both mouse and human models.
- The findings suggest that CD36 contributes to the trapping of macrophages within the arterial intima, a critical step in atherosclerotic plaque development.
Outlook:
- Targeting the CD36-mediated macrophage trapping mechanism could offer novel therapeutic strategies for managing and potentially reversing atherosclerosis.
- Further research into blocking this pathway may lead to treatments that prevent plaque progression and reduce thrombotic complications.
Abstract:
EVALUATION OF: Park YM, Febbraio M, Silverstein RL. CD36 modulates migration of mouse and human macrophages in response to oxidized LDL and may contribute to macrophage trapping in the arterial intima. J. Clin. Invest. 119, 136-145 (2009). Atherosclerosis is an immune-mediated chronic inflammatory disease and the leading cause of death in developed countries. It is characterized by the subintimal deposition of oxidized LDL, which triggers a cascade of inflammatory reactions resulting in the formation of atheromatous plaques, narrowing the arterial lumen and, on rupture, leading to thrombotic complications. Macrophages are a central part of this process, their primary role being the phagocytosis of the LDL particles. However, once this has been accomplished, the macrophages can remain resident in the atheroma, rather than leaving it. This leads to progression of the atherosclerotic plaques. The paper discussed has identified a possible mechanism responsible for trapping macrophages within the intima. This may have significant clinical implications since, by blocking this process, reversal of the atherosclerotic process may be possible.
