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Diabetes Metab J : Diabetes & Metabolism Journal



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HOME > Diabetes Metab J > Volume 21(4); 1997 > Article
Original Article Angiotensin 1 Converting Enzyme ( ACE ) Gene Polymorphism According to Micro- and Mocro - angiopathy in non-insulin Dependent Diabetes Mellitus.
Moon Suk Nam, Hyun Chul Lee, Ji Hyun Lee, Bong Soo Cha, Su Youn Nam, Young Duk Song, Sung Kil Lim, Kyung Rae Kim, Kap Bum Huh
Diabetes & Metabolism Journal 1997;21(4):397-405
Published online: January 1, 2001
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Chronic micro- and macro-angiopathy in diabetes are clinically significant complications that affect both quality and length of life in diabetic patients. Angiotensin 1 converting enzyme (ACE) is of key importance in regulating systemic and renal circulation by converting angiotensin-1 into -2 and inactivating bradykinin, Recent reports suggest that the ACE gene polymorphism is associated with susceptibility to micro- and macro-angiopathy in diabetes. But the results are diffetent according to the type of diabetes and complication. METHODS: We investigated the alleles of the ACE gene and measured the ACE activity in the 169 cases of non-insulin dependent diabetic patients and in the 95 cases of controls matched with age and BMI. RESULTS: The measured ACE activity was well correlated with the count of D allele. We found no differences of ACE alleles between in diabetes and control. No association was found between ACE gene polymorphism and diabetic microangiopathy(retinopathy or nephropathy). But DD genotypes (homozy-gotes for the deletion polymorphism) and D allele were found more frequently in diabetic patients with coronary artery obstructive diseases than in patients without coronary artery obstructive diseases in coronary angiography. CONCLUSION: These data indicate that ACE gene polymorphism in non-insulin dependent diabetes is associated with coronary artery obstructive diseases, but not with chronic microangiopathy.

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