Diabetes Metab J > Volume 33(2); 2009 > Article
Korean Diabetes Journal 2009;33(2):113-123.
DOI: https://doi.org/10.4093/kdj.2009.33.2.113    Published online April 1, 2009.
Matrix Metalloproteinase-3 Gene Polymorphism is Associated with Coronary Artery Calcification Scores in Patients with Type 2 Diabetes Mellitus.
Sang Wook Kim, Eun Hee Cho
Department of Internal Medicine, Kangwon National University School of Medicine, Chuncheon, Korea. exoplanet@kangwon.ac.kr
Matrix metalloproteinase-3 (MMP-3) is expressed in human coronary atherosclerotic lesions and is known to be involved in the degradation of plaque. This study examines the association of MMP-3 gene promoter 5A/6A and -709A>G polymorphisms with coronary artery calcium scores in type 2 diabetes patients. METHODS: The study comprises 140 type 2 diabetes patients aged 34~85 years, who showed no evidence of clinical cardiovascular disease before recruitment. Recruitment was based on patient's coronary artery calcium (CAC) scores and polymorphisms were identified. RESULTS: Multiple regression analysis showed that the CAC scores were significantly associated with age (P = 0.008), waist circumference (P = 0.03), duration of diabetes (P = 0.003) and the serum creatinine level (P = 0.012). MMP-3 5A/6A and -709A>G polymorphisms were not associated with CAC across all subjects. However, in the subgroup with a duration of diabetes over 10 years, MMP-3 -709A>G were significantly associated with CAC (P = 0.037) adjusted for age, body mass index, waist circumference and duration of diabetes. CONCLUSION: Our data suggest that the CAC scores in patients with type 2 diabetes were related with age, waist circumference, duration of diabetes and higher serum creatinine levels. MMP-3 polymorphisms with -709A>G are associated with high CAC in patients with a duration of diabetes over 10 years.
Key Words: Coronary vessels, Genetic polymorphism, Matrix metalloproteinase 3, Calcinosis

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