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Jiefang, China

Zhou D.,Linyin Peoples Hospital | Ruiter R.,Erasmus University Rotterdam | Zhang J.,Linyin Peoples Hospital | Zhou M.,Linyi Hospital of Traditional Chinese Medicine | And 4 more authors.
JRAAS - Journal of the Renin-Angiotensin-Aldosterone System | Year: 2012

Objective: A role for the angiotensin-converting enzyme (ACE) gene has been suggested in the aetiology of type 2 diabetes (T2DM). However, results have been inconsistent. In this study, we performed a meta-analysis to further clarify the association between ACE I/D polymorphism and T2DM risk in a Chinese population. Methods: PubMed, EMBASE, CNKI and Wan Fang Data were searched for eligible studies. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were calculated using a fixed-effects model or random-effects model. Results: A total of 41 studies (4708 cases and 5368 controls) for the association between ACE I/D polymorphism and T2DM in a Chinese population were identified. The pooled ORs for the association between ACE I/D polymorphism and T2DM risk were not statistically significant under all genetic models (co-dominant model: DD vs. II: OR = 1.17, 95% CI 0.97-1.42 and ID vs. II: OR = 1.01, 95% CI 0.93-1.10; dominant model: OR = 1.06, 95% CI 0.94-1.19; multiplicative model: OR = 1.08, 95% CI 0.98-1.18). Although a marginally significant association was observed under a recessive model (OR = 1.17, 95% CI 1.00-1.36), robustness of this estimate could not be established under additional sensitivity analyses. Conclusions: The meta-analysis presented in this study indicated that ACE I/D polymorphism may not be associated with the risk of T2DM in the Chinese population. © 2012 The Author(s).

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