Abstract
Cardiovascular disease is the leading cause of mortality worldwide. Inflammation has long been established as a key component in the pathophysiology of coronary artery disease. The interleukin-1 family consists of 11 members that regulate the inflammatory response through both pro- and anti-inflammatory properties with the Nod-like receptor (NLR) family pyrin domain containing 3 inflammasome having a pivotal role in the process of converting interleukin-1 beta and interleukin- 18, two key inflammatory mediators, into their mature forms. Interleukin-1 affects various cell types that participate in the pathogenesis of atherosclerosis as it enhances the expression of leukocyte adhesion molecules on the surface of endothelial cells and augments the permeability of the endothelial cell barrier, attracting monocytes and macrophages into the vessel wall and aids the migration of smooth muscle cells toward atheroma. It also enhances the aggregation of low-density lipoprotein particles in endothelium and smooth muscle cells and exhibits procoagulant activity by inducing synthesis, cell-surface expression and release of tissue factor in endothelial cells, promoting platelet adhesion. The value of interleukin-1 as a diagnostic biomarker is currently limited, but interleukin-1 beta, interleukin-18 and interleukin-37 have shown promising data regarding their prognostic value in coronary artery disease. Importantly, target anti-inflammatory treatments have shown promising results regarding atherosclerosis progression and cardiovascular events. In this review article, we focus on the immense role of interleukin-1 in atherosclerosis progression, inflammation cascade and in the clinical application of target anti-inflammatory treatments.
Keywords: IL-1, Interleukin-1, Coronary artery disease, Atherosclerosis, Inflammation, Biomarker, Cytokine.
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