Abstract
Atherosclerosis and one of its most serious consequences, coronary artery disease, are important sources of morbidity and mortality globally, necessitating early detection and treatment. Considering their complex pathophysiology, including several harmful processes, a comprehensive approach to diagnosis, prognosis, and therapy is very desirable. Extracellular matrix remodeling is a major component of this dangerous cascade, including the cleavage of constituents (collagen, elastin, proteoglycans) and the propagation or exacerbation of the inflammatory response. Several extracellular matrix degradation indicators have been hypothesized to correlate with the existence, severity, and prognosis of coronary artery disease. The potency of matrix metalloproteinases, notably collagenases and gelatinases, has been the most thoroughly investigated in clinical studies. Stromelysins, matrilysins, transmembrane matrix metalloproteinases, collagen and laminin turnover indicators, as well as fibronectin, have also been studied to a lesser level. Among the most well-studied markers, MMP-1, MMP-2, MMP-8, and MMP-9 have been found increased in patients with cardiovascular risk factors such as metabolic syndrome, its components (obesity, dyslipidemia, diabetes mellitus), and smoking. Increasing concentrations are detected in acute coronary syndromes compared to stable angina pectoris and healthy control groups. It should also be stressed that those extracellular matrix biomarkers may also be detected in high concentrations in other vascular pathologies such as peripheral artery disease, carotid artery disease, aortic aneurysms, and dissections. Despite the advances gained, future research should focus on their importance and, more crucially, their added utility as biomarkers in identifying persons at risk of developing overt coronary artery disease. At the same time, determining the prognosis of coronary artery disease patients using such biomarkers may be important for their adequate care.
Keywords: Atherosclerosis, Coronary artery disease, Extracellular matrix, Matrix metalloproteinase, Collagen, Biomarker.
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