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  • Title: [Association between single nucleotide polymorphisms of matrix metalloproteinase-3 gene and the severity of coronary atherosclerosis in patients with coronary artery disease].
    Author: Wu NQ, Song L, Hua YH, Lu XF, Ye J, Li JX, Gu DF, Yang YJ.
    Journal: Zhonghua Xin Xue Guan Bing Za Zhi; 2008 Jun; 36(6):501-5. PubMed ID: 19100060.
    Abstract:
    OBJECTIVE: To investigate the association between the severity of coronary arteries in patients with coronary artery disease and the single nucleotide polymorphisms of MMP-3 gene. METHODS: One thousand and three hundred seventy-one patients with coronary artery disease (CAD) diagnosed by coronary angiography and six hundred and ninety-five healthy controls without CAD were enrolled in this study. The SNPs of -1612 5A/6A, -376C/G, Glu45Lys of MMP-3 were genotyped by restriction fragment length polymorphism analysis (RFLP) in all subjects. Univariate analysis was applied to measure the association of the single nucleotide polymorphisms with the severity of coronary arteries. RESULTS: The minor allele frequency of -1612 5A/6A was 0.189, 0.185, 0.183 and 0.152 (P < 0.05 vs. non-CAD control and single stenosis), the minor allele frequency of -376C/G was 0.311, 0.329, 0.326 and 0.325, and the minor allele frequency of Glu45Lys was 0.367, 0.423, 0.417 and 0.405 in non-CAD control, CAD patients with single, two and three vessels stenosis, respectively. 5A allele frequency is significant lower in the group with three vessels stenosis than in non-CAD control and CAD patients with single vessel stenosis (OR = 0.74, P = 0.04). The 5A/5A and 5A/6A genotypes frequency is significant lower in the group with three vessels stenosis than in the non-CAD group and CAD patients with single vessel stenosis (OR = 0.74, P = 0.04). CONCLUSIONS: The single nucleotide polymorphism of -1612 5A/6A of MMP-3 gene may be associated with the severity of coronary atherosclerosis in the Chinese Han patients with coronary artery disease, and the 5A allele might therefore, play a protective role on the progression of coronary atherosclerosis.
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