Abstract
Atherosclerosis is a chronic inflammatory vascular disease. As it is an inflammation process, many cellular and molecular events are involved at each step of the progression of atherosclerosis from an early fatty streak lesion to a highly dangerous rupture-prone plaque. Magnetic resonance imaging (MRI) is a well-established diagnostic tool for many kinds of chronic inflammation in various systems and organs, and recent improvements in spatial resolution and contrast strategies make it a promising technique for the characterization of inflammatory vessel walls. The first part of this review will briefly introduce the main cellular and molecular processes involved in atherosclerotic lesions; the second part will focus on the use of high-resolution MRI and present-generation contrast agents for plaque characterization; and the third part will present some recent and ongoing cellular and molecular MRI studies of atherosclerosis.
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Abbreviations
- CAM:
-
Cell adhesion molecule (ICAM, VCAM, Selectins)
- CD44:
-
Lymphocyte integrin, interaction with extracellular matrix (hyaluronan)
- CR3 or 4:
-
Complement receptors for fragments 3 and 4 expressed on monocytes
- CRP:
-
C-reactive protein
- GP Ib-IX-V:
-
Glycoprotein complex (=GP Ibα, GP Ibβ, GP IX and GP V), P selectin ligand
- ICAM:
-
Intercellular adhesion molecule, LFA-1 ligand
- IFN-α:
-
Interferon-alpha
- IL:
-
Interleukin
- LFA-1:
-
Lymphocyte function-associated antigen-1 (immunoglobulin)
- MCP-1:
-
Monocyte chemoattractant protein-1
- MMP:
-
Matrix metalloproteinase
- oxLDL:
-
Oxidized low-density lipoprotein
- PCAM:
-
Platelet/endothelial cell adhesion molecule
- ROS:
-
Reactive oxygen species
- sCD40L:
-
Soluble CD40 ligand
- TNF-α:
-
Tumor necrosis factor-alpha
- VCAM:
-
Vascular cell adhesion molecule, VLA-4 ligand
- VLA-4:
-
Very late antigen-4, integrin
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This work was supported by the French Ministry of Research (Incentive Concerted Action Program, project CIVAREM), Rhône-Alpes Region grants, and an Ile de France and Paris Region ATHIM grant (Medicen Santé Ile de France cluster).
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Canet-Soulas, E., Letourneur, D. Biomarkers of atherosclerosis and the potential of MRI for the diagnosis of vulnerable plaque. Magn Reson Mater Phy 20, 129–142 (2007). https://doi.org/10.1007/s10334-007-0078-y
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DOI: https://doi.org/10.1007/s10334-007-0078-y