association of angiotensin converting enzyme (ace) gene polymorphism and diabetic nephropathy

Authors

t golmohamadi

a nikzamir

m nakhjavani

m zahrai

abstract

angiotensin i-converting enzyme (ace) gene polymorphism; genotype dd or d allele may be involved with an increased susceptibility to type 2 diabetes and diabetic nephropathy (dn). we examined the frequency of ace gene polymorphism in 170 patients (85 type 2 diabetes with nephropathy and 85 without it) in tehran, iran. dna was extracted from the white blood cells and the i/d polymorphism of the ace gene was detected by pcr. the frequency of dd, id and ii genotypes in type 2 diabetic patients were 20%, 61.2% and 18.8%, and in patients with nephropathy 30.6%, 55.3%, 14.1%, respectively. the dd genotype of the dn group was higher than that of the type 2 diabetes patients (30.6% vs 20%, p=0.157, rr=1.3) and the control group (30.6% vs 14.3%, p=0.006, rr=2.9). the frequency of d allele in nephropathic patients was 58.2% as compared to the type 2 diabetic patients without nephropathy (50.5%) p=0.19, rr=1.16. the d allele frequency in the dn group was found slightly higher than of the type 2 diabetes (x2=0.684, or=0.709, 95%ci: 0.313-1.606, p=0.408) which indicated the d allele was not associated with dn. it is suggested that dd genotype and d allele are not associated with diabetic nephropathy.

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Journal title:
iranian journal of public health

جلد ۳۵، شماره ۳، صفحات ۱۴-۲۱

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