Journal
CELLS
Volume 10, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/cells10040723
Keywords
atherosclerosis; immunity; cytokines; T lymphocytes; regulatory T cells
Categories
Funding
- Institut National de la Sante et de la RechercheMedicale (INSERM)
- ANR ERA-CVD program
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Research shows that chronic inflammation triggered by cholesterol-rich lipoproteins is crucial in atherosclerosis development. Effector Th1 cells are proatherogenic, while regulatory T cells (Tregs) protect against atherosclerosis. Understanding how Tregs affect atherosclerosis could lead to new targeted therapies against cardiovascular disease.
Experimental studies have provided strong evidence that chronic inflammation triggered by the sub-endothelial accumulation of cholesterol-rich lipoproteins in arteries is essential in the initiation and progression of atherosclerosis. Recent clinical trials highlighting the efficacy of anti-inflammatory therapies in coronary patients have confirmed that this is also true in humans Monocytes/macrophages are central cells in the atherosclerotic process, but adaptive immunity, through B and T lymphocytes, as well as dendritic cells, also modulates the progression of the disease. Analysis of the role of different T cell subpopulations in murine models of atherosclerosis identified effector Th1 cells as proatherogenic, whereas regulatory T cells (Tregs) have been shown to protect against atherosclerosis. For these reasons, better understanding of how Tregs influence the atherosclerotic process is believed to provide novel Treg-targeted therapies to combat atherosclerosis. This review article summarizes current knowledge about the role of Tregs in atherosclerosis and discusses ways to enhance their function as novel immunomodulatory therapeutic approaches against cardiovascular disease.
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