• Yan Wang, Minhua Zhou, Xun Deng, Yanjiao Ma, and Deqi Jiang.
• Department of Pharmacy, Guangdong Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Foshan.
• Medicine (Baltimore). 2020 Nov 25; 99 (48): e23322.

BackgroundMany studies have evaluated the association between aldosterone synthase (CYP11B2) C-344T polymorphism and preeclampsia (PE) susceptibility, however, the results from different studies are inconsistent.ObjectiveThe study aimed to derive a more precise estimation of this association.MethodsWe searched PubMed, Embase, Chinese National Knowledge Infrastructure, China Biological Medicine, and Wanfang Database. The association was evaluated by calculating the odds ratios (ORs) with the corresponding 95% confidence intervals (CIs).ResultsSeven case-control studies with a total of 720 cases and 766 controls were eligible to be included in this meta-analysis. Overall, there was no significant association between CYP11B2 C-344T polymorphism and PE (for the allele model T vs.C: OR=0.78, 95%CI 0.60-1.01, p=0.06; for the codominant model CT vs. CC: OR=1.08, 95%CI 0.80-1.46, p=0.63; for the dominant model TT + CT vs. CC: OR=0.91, 95%CI 0.68-1.20, p=0.49). Similar results were obtained in sensitivity analysis.ConclusionIn summary, the present meta-analysis suggests that CYP11B2 C-344T polymorphism may not be associated with genetic susceptibility of PE, but the association remains indeterminate due to the insufficient evidence.

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