Abstract
Matrix metalloproteinases (MMPs) are the group of proteolytic enzymes that break down the components of the connective tissue matrix leading to unstable atherosclerotic plaques. The aim of this study was to examine the association between MMP1-1607dupG (rs1799750) and MMP3-1171dupA (rs3025058) gene polymorphisms and acute coronary syndromes (ACS) in the form of unstable angina. This study included 197 patients with ACS in the form of unstable angina confirmed by coronary angiography (defined by >70% stenosis in at least one major coronary artery) and 144 healthy controls. There was no statistically significant difference in the distribution of the MMP1-1607dupG (rs1799750) polymorphism between patients with unstable angina and the control group. With regard to the MMP3-1171dupA (rs3025058) polymorphism, a significant increase in the frequency of the 6A/6A genotype among patients with unstable angina was detected. This association was confirmed in multivariate logistic regression analysis, where male sex and rs3025058 6A/6A genotype were significantly associated with an increased risk of ACS. © 2017 IUBMB Life, 69(11):850-855, 2017.
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