2019
DOI: 10.1177/0300060519827145
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Association study of matrix metalloproteinase 3 5A/6A polymorphism with in-stent restenosis after percutaneous coronary interventions in a Han Chinese population

Abstract: We aimed to investigate the association between the 5A/6A promoter polymorphism in the matrix metalloproteinase 3 (MMP3) gene and in-stent restenosis (ISR) in a regional Chinese population. Methods: A total of 818 patients who underwent primary implantation of drug-eluting stents were enrolled and received a 6-month follow-up angiography and DNA genotyping of the 5A/6A polymorphism. Results: ISR was found in 36.9% of all patients (302 ISR vs. 516 no ISR). The genotype proportion of 6A6A was significantly incre… Show more

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Cited by 7 publications
(6 citation statements)
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“…Functional studies of the 5A/6A polymorphism have indicated that the 5A‐allele has a higher promoter activity than the 6A‐allele in both cultured fibroblasts and VSMCs in vitro (Ye et al, 1996)—a finding bolstered by gene expression studies in skin biopsies that have also found higher MMP‐3 activity in 5A‐allele carriers (Medley et al, 2003). Accordingly, it has been postulated that the 5A‐allele is associated with higher levels of circulating MMP‐3 compared to the 6A‐allele, and indeed some studies, but not all (Du et al, 2020; Gnasso et al, 2000; Samnegard et al, 2005), have found this hypothesis to hold true (El‐Aziz & Mohamed, 2016; Medley et al, 2003). Furthermore, it has been speculated that the 5A‐allele contributes to a vascular phenotype characterized by increased ECM degradation, whereas the 6A‐allele contributes to a vascular phenotype characterized by increased ECM deposition (Ye, 2006), although genetic association studies have also reported somewhat conflicting findings (Beton et al, 2016; Beyzade et al, 2003; Nojiri et al, 2003; Samnegard et al, 2005; Yamada et al, 2002).…”
Section: Discussionmentioning
confidence: 99%
“…Functional studies of the 5A/6A polymorphism have indicated that the 5A‐allele has a higher promoter activity than the 6A‐allele in both cultured fibroblasts and VSMCs in vitro (Ye et al, 1996)—a finding bolstered by gene expression studies in skin biopsies that have also found higher MMP‐3 activity in 5A‐allele carriers (Medley et al, 2003). Accordingly, it has been postulated that the 5A‐allele is associated with higher levels of circulating MMP‐3 compared to the 6A‐allele, and indeed some studies, but not all (Du et al, 2020; Gnasso et al, 2000; Samnegard et al, 2005), have found this hypothesis to hold true (El‐Aziz & Mohamed, 2016; Medley et al, 2003). Furthermore, it has been speculated that the 5A‐allele contributes to a vascular phenotype characterized by increased ECM degradation, whereas the 6A‐allele contributes to a vascular phenotype characterized by increased ECM deposition (Ye, 2006), although genetic association studies have also reported somewhat conflicting findings (Beton et al, 2016; Beyzade et al, 2003; Nojiri et al, 2003; Samnegard et al, 2005; Yamada et al, 2002).…”
Section: Discussionmentioning
confidence: 99%
“…studies on the MMP3 gene 5A/6A polymorphism (n ¼ 4519), 6 studies on the AGT gene M235T polymorphisms (n ¼ 1801), and 7 studies on the AT1R gene A1166C polymorphism (n ¼ 2477) were pooled, with characteristics managed together (Table I). Three studies (Du et al 19 on MMP-3, Ryu et al 21 on AGT, and Li et al 26 on AT1R) failed to meet the equilibrium in HWE test with P < 0.05 by the Fisher exact test. Quality assessment was based on the Newcastle-Ottawa Scale from all the included studies.…”
Section: March 2020mentioning
confidence: 99%
“…Results were generally robust in the analysis of the eNOS and MMP-3 polymorphisms under all models. For MMP3, after eliminating 1 study (Du et al 19 ), the association vanished under the heterozygote model with an OR P ¼ 0.149, under the dominant model with an OR P ¼ 0.153, and the overdominant model with an OR P ¼ 0.226. For the AGT gene, after eliminating 1 study (Volzke et al 20 ), the association vanished under the dominant model with an OR P ¼ 0.266, the heterozygote model with an OR P ¼ 0.162, and the overdominant model with an OR P ¼ 0.118.…”
Section: Sensitivity Analysismentioning
confidence: 99%
See 1 more Smart Citation
“…In a recent study, Du et al [52] investigated the role of 5A/6A promoter polymorphism in the matrix metalloproteinase 3 (MMP-3) gene and in-stent restenosis (ISR). An increment in the ISRs with genotype proportion of 6A6A and a decrement in the 5A allele were reported.…”
Section: Ecm Hydrogels In Cardiac Tissue Repairmentioning
confidence: 99%