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The ACE2 G8790A Polymorphism: Involvement in Type 2 Diabetes Mellitus Combined with Cerebral Stroke
Yan-Hui Wu1, Jia-Ying Li1, Chi Wang1
1Department of Endocrinology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.
Background:
We aimed to investigate the correlations between ACE2 polymorphisms and type 2 diabetes mellitus (T2DM) combined with cerebral stroke (CS).
Methods:
A total of 346 patients treated or hospitalized in our hospital were enrolled, including 181 cases without cerebrovascular complications (T2DM group) and 165 cases combined with CS (T2DM + CS group); 284 healthy individuals were selected as the control group. PCR-RFLP and ELISA were used to analyze ACE2 G8790A polymorphisms and serum ACE2 levels, respectively.
Results:
Significant differences were observed in the genotype/allele frequency of ACE2 G8790A between the T2DM + CS and control groups, and the T2DM and T2DM + CS groups, and in the genotype frequency of ACE2 G8790A between the T2DM and the control groups. The A allele may increase the risk of T2DM combined with CS. The AA genotype may also increase the risk of T2DM combined with CS (OR = 3.733, 95%CI = 2.069-6.738; OR = 3.597, 95%CI = 1.884-6.867). Serum ACE2 levels showed statistically significant differences among the groups. Systolic pressure and diastolic pressure were protective factors of T2DM combined with CS.
Conclusion:
The ACE2 G8790A polymorphism in T2DM patients was correlated with CS, and the A allele might be a risk factor of T2DM combined with CS.
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