Abstract
Recurrent spontaneous abortion (RSA) is a multifactor and distressing disease. There are still approximately half of the RSA patients with cause not being identified to date. Accumulating studies have confirmed that genetic polymorphisms in glutathione S-transferases (GSTs) were associated with the risk of recurrent spontaneous abortion. In this study, we aimed to investigate the relationship between the polymorphism of GSTA1, which is GSTA1 -69C/T (rs3957357), and the development of recurrent spontaneous abortion. A case-control study of 127 cases with RSA and 112 ethnic and age matched women as controls was conducted. And measurement of Polymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP) was performed to genotype all of samples in order to analyze the association between GSTA1 -69C/T (rs3957357) and the risk of RSA. We found that the frequencies of genotypes between cases and controls have no significant difference (P = 0.908) and GSTA1 mutant allele GSTA1 -69 T was present at a frequency of 0.122 in case group, while in controls the frequency was 0.125 (P = 0.922). The polymorphism of GSTA1 (rs3957357) may not be associated with the risk of recurrent spontaneous abortion in Chinese Han population.
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