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Molecular biology reports

Genetic polymorphisms of glutathione S-transferase Z1 (GSTZ1) and susceptibility to preeclampsia.


PMID 22729907

Abstract

Preeclampsia (PE) is a complex disorder affected by genetic and environmental factors. Although the exact genes involved in development of PE are still not fully discovered, an important role for oxidative stress in its pathogenesis is accepted. In the present study, the association between the functional genetic polymorphisms in codons 32, 42 and nucleotide -1002 of glutathione S-transferases Z1 (GSTZ1) and susceptibility to PE was investigated. The present case-control study was performed on 151 preeclapmtic patients, and a total of 200 normal pregnant women, as a control group. The healthy control group was frequency matched with the age of the preeclamptic patients. Control subjects had no history of previous pregnancies with PE. Genotypes were determined by PCR-RFLP assay. There was no significant association between G-1002A and Glu32Lys polymorphisms of GSTZ1 with PE risk. The variant allele of Gly42Arg polymorphism decreased the risk of PE (OR = 0.24, 95 % CI 0.08-0.73, P = 0.012). The haplotype of "-1002A, 32Lys, 42Arg" (having three variant alleles) versus to the other haplotypes significantly decreased among PE patients compared to the control group (5.0 vs. 0.9 percent among control and PE patient groups, respectively; χ(2) = 9.328, df = 1, P = 0.002). The present results indicate that the haplotype of "-1002A, 32Lys, 42Arg" (containing three variant alleles) of GSTZ1 have protective effect compared to the other haplotypes.

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GS77 GST Z1-1, Recombinant Human