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Glutathione S-transferase A1 polymorphism and the risk of recurrent spontaneous abortion in Chinese Han population.

ABSTRACT: OBJECTIVE: 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. METHODS: 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. RESULTS: 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). CONCLUSION: The polymorphism of GSTA1 (rs3957357) may not be associated with the risk of recurrent spontaneous abortion in Chinese Han population.

SUBMITTER: Zong C

PROVIDER: S-EPMC3947069 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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Glutathione S-transferase A1 polymorphism and the risk of recurrent spontaneous abortion in Chinese Han population.

Zong Chen C Sha Yanwei Y Xiang Huifen H Wang Jing J Chen Dawei D Liu Juan J Wang Binbin B Cao Yunxia Y

Journal of assisted reproduction and genetics 20140105 3

<h4>Objective</h4>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 developm ...[more]

PMID: 24390679

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Project description:BackgroundRecurrent spontaneous abortion (RSA) refers to 2 or more consecutive pregnancy losses, and RSA with unknown causes is called unexplained recurrent spontaneous abortion (URSA). Tim-3, a subtype of the T-cell immunoglobulin domain and mucin domain (Tim) protein family, might be an important regulatory molecule that plays a pivotal role in URSA, which might be triggered mostly by Th1/Th2 immune deviation. To understand the etiology and pathogenesis of URSA in Han Chinese women, we investigated the association between polymorphisms of rs10053538 and rs10515746 in the promoter of Tim-3 and the risk of URSA in Han Chinese women.MethodsOne hundred and forty-eight women with RSA resulting in still birth were enrolled in the URSA group. We performed tests to rule out congenital reproductive system malformation, reproductive system tumor, endocrine dyscrasia, and chromosome abnormalities. One hundred and fifty-three women with normal pregnancy leading to live birth were selected at random to comprise the control group. All women included in this study were genetically unrelated Han Chinese women. Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and allele-specific polymerase chain reaction (AS-PCR) were used to determine polymorphisms of rs10053538 and rs10515746, respectively, in all subjects. PCR products were chosen at random for sequencing.ResultsNo significant statistical difference was found between the distribution frequency of the GT + TT genotype and T allele on the rs10053538 locus in the URSA group or the control group (10.1% vs. 11.8%, Chi(2) = 0.205, P = 0.651; 5.1% vs. 6.5%, Chi(2) = 0.592, P = 0.441; respectively). Neither was there a significant difference between the distribution frequency of the GT + TT genotype and T allele on the rs10515746 locus in the groups (6.8% vs. 3.9%, Chi(2)1.201, P = 0.273; 3.4% vs. 2.0%, Chi(2) = 1.169, P = 0.280; respectively).ConclusionsThe present study suggested that these polymorphisms of rs10053538 or rs10515746 in the Tim-3 promoter may not be associated with URSA in Han Chinese women.

Dataset Information

Glutathione S-transferase A1 polymorphism and the risk of recurrent spontaneous abortion in Chinese Han population.

Publications

Glutathione S-transferase A1 polymorphism and the risk of recurrent spontaneous abortion in Chinese Han population.

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