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Updated: Jun 10, 2025

A Method to Study the C924T Polymorphism of the Thromboxane A2 Receptor Gene
Published on: April 1, 2019
Association between MMP-9-C1562Tpolymorphism and susceptibility to preeclampsia: a systematic review and
Ruihong Lan1, Yang Yang1, Jie Song1
1Department of Obstetrics, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, China.
Objectives:
This meta-analysis aims to explore the association between MMP-9-C1562T polymorphism and susceptibility to preeclampsia (PE).
Material And Methods:
Four English databases were searched to collect relevant records up to April 2024. The pooled odds ratio (OR) was calculated using Stata 15.0.
Results:
A total of 10 studies were enrolled in our systematic review. The results showed that genotype CT at MMP-9-C1562T locus increased the risk of PE versus genotype TT (Genotype CT vs TT: OR = 2.32, 95% CI: 1.27-4.24, P = 0.006), but no significant differences were found in other gene models (C vs T: OR = 0.88, 95% CI: 0.71-1.08, P = 0.225; Genotype CC vs TT: OR = 1.51, 95% CI: 0.87-2.61, P = 0.139; Genotype CC + CT vs TT: OR = 1.63, 95% CI: 0.95-2.81, P = 0.079; Genotype CC vs CT + TT: OR = 0.80, 95% CI: 0.63-1.03, P = 0.086). Subgroup analysis by ethnicity showed a statistically significant difference in the heterozygous model in China (Genotype CT vs TT: OR = 2.38, 95% CI: 1.15 -4.91, P = 0.019).
Conclusions:
Association of MMP-9-C1562T polymorphism with susceptibility to PE exists. Specifically, genotype CT increases the risk of PE versus genotype TT, particularly in Caucasian populations.
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