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  • Title: [Relationship between angiotensin 1 converting enzyme gene polymorphism and diabetic nephropathy].
    Author: Wu S, Xiang K, Weng Q.
    Journal: Zhonghua Yi Xue Za Zhi; 1997 Mar; 77(3):183-6. PubMed ID: 9596955.
    Abstract:
    OBJECTIVE: To clarify if ACE gene I/D polymorphism attributes to the development of non-insulin dependent diabetes mellitus (NIDDM) and renal complication. METHODS: A fragment of 287 bp Alu sequence in inron 16 of ACE gene was used as I/D polymorphic marker. After PCR amplification of DNA fragment, 12% non-denatured polyacrylamide gel electrophoresis was undertaken to analyze the PCR products. RESULTS: Allele D was the prominent one (frequency 0.75) in the subgroup of DN which was complicated in the earliest stage of NIDDM without HTN, CHD and diabetic retinopathy. However, the frequency of allele D was low (0.39) in the subgroup of NIDDM without DN, HTN, CHD and diabetic retinopathy, in which the duration of each subject was over 5 years. It was significant to compare these two mentioned subgroups (P < 0.02, continuity-adjusted X2test, P < 0.05). The distribution of genotype in the whole NIDDM group without HTN and CHD (69 cases) was very similar to the normal control (110 subjects) (I 0.60 to 0.59, D 0.40 to 0.41). CONCLUSION: The I/D polymorphism of ACE gene may be the factor of genetic predisposition of early-onset diabetic nephropathy in Chinese NIDDM.
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