Polymorphisms in DNA Repair Genes (APEX1, XPD, XRCC1 and XRCC3) and Risk of Preeclampsia in a Mexican Mestizo Population
AbstractVariations in genes involved in DNA repair systems have been proposed as risk factors for the development of preeclampsia (PE). We conducted a case-control study to investigate the association of Human apurinic/apyrimidinic (AP) endonuclease (APEX1) Asp148Glu (rs1130409), Xeroderma Pigmentosum group D (XPD) Lys751Gln (rs13181), X-ray repair cross-complementing group 1 (XRCC) Arg399Gln (rs25487) and X-ray repair cross-complementing group 3 (XRCC3) Thr241Met (rs861539) polymorphisms with PE in a Mexican population. Samples of 202 cases and 350 controls were genotyped using RTPCR. Association analyses based on a χ2 test and binary logistic regression were performed to determine the odds ratio (OR) and a 95% confidence interval (95% CI) for each polymorphism. The allelic frequencies of APEX1 Asp148Glu polymorphism showed statistical significant differences between preeclamptic and normal women (p = 0.036). Although neither of the polymorphisms proved to be a risk factor for the disease, the APEX1 Asp148Glu polymorphism showed a tendency of association (OR: 1.74, 95% CI = 0.96–3.14) and a significant trend (p for trend = 0.048). A subgroup analyses revealed differences in the allelic frequencies of APEX1 Asp148Glu polymorphism between women with mild preeclampsia and severe preeclampsia (p = 0.035). In conclusion, our results reveal no association between XPD Lys751Gln, XRCC Arg399Gln and XRCC3 Thr241Met polymorphisms and the risk of PE in a Mexican mestizo population; however, the results in the APEX1 Asp148Glu polymorphism suggest the need for future studies using a larger sample size.
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Sandoval-Carrillo, A.; Méndez-Hernández, E.M.; Vazquez-Alaniz, F.; Aguilar-Durán, M.; Téllez-Valencia, A.; Barraza-Salas, M.; Castellanos-Juárez, F.X.; Llave-León, O.L.; Salas-Pacheco, J.M. Polymorphisms in DNA Repair Genes (APEX1, XPD, XRCC1 and XRCC3) and Risk of Preeclampsia in a Mexican Mestizo Population. Int. J. Mol. Sci. 2014, 15, 4273-4283.
Sandoval-Carrillo A, Méndez-Hernández EM, Vazquez-Alaniz F, Aguilar-Durán M, Téllez-Valencia A, Barraza-Salas M, Castellanos-Juárez FX, Llave-León OL, Salas-Pacheco JM. Polymorphisms in DNA Repair Genes (APEX1, XPD, XRCC1 and XRCC3) and Risk of Preeclampsia in a Mexican Mestizo Population. International Journal of Molecular Sciences. 2014; 15(3):4273-4283.Chicago/Turabian Style
Sandoval-Carrillo, Ada; Méndez-Hernández, Edna M.; Vazquez-Alaniz, Fernando; Aguilar-Durán, Marisela; Téllez-Valencia, Alfredo; Barraza-Salas, Marcelo; Castellanos-Juárez, Francisco X.; Llave-León, Osmel L.; Salas-Pacheco, José M. 2014. "Polymorphisms in DNA Repair Genes (APEX1, XPD, XRCC1 and XRCC3) and Risk of Preeclampsia in a Mexican Mestizo Population." Int. J. Mol. Sci. 15, no. 3: 4273-4283.