Abstract
We carried out a case-control study to evaluate the role of MMP-9 -1562 C/T (rs3918242) genetic polymorphism in the risk of pre-eclampsia in Chinese pregnant women. Between March 2013 and January 2015, 107 pregnant women with pre-eclampsia were recruited from the Second Affiliated Hospital of Zhengzhou University. Genotyping of MMP-9 was carried out using polymerase chain reaction-restriction fragment length polymorphism assay. Unconditional logistic regression analyses revealed that women with the CT genotype (OR = 1.81, 95%CI = 1.04-3.11) exhibited significantly higher risk of pre-eclampsia than those with the wild-type CC genotype. Moreover, individuals carrying the T allele were at higher risk of pre-eclampsia than those carrying the C allele; the adjusted OR (95%CI) was 1.62 (1.06-2.47). In conclusion, our study demonstrated that the MMP-9 -1562 C/T polymorphism plays an important role in the development of pre-eclampsia in Chinese women. Further studies with large sample sizes are greatly needed to confirm our findings.
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