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Adv Biomed Res. 2018 Oct 24;7:133. doi: 10.4103/abr.abr_36_18. eCollection 2018.

Comparison of CAT-21A/T Gene Polymorphism in Women with Preeclampsia and Control Group.

Author information

1
Preventive Gynecology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2
Department of OB and GYN, Medical School, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
3
Department of Clinical Biochemistry, Cellular and Molecular Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.

Abstract

Background:

Preeclampsia (PE) is one of the main causes of maternal and perinatal mortality and morbidity. Evidence shows that oxidative stress plays an important role in the pathophysiology of the PE. As catalase is a key enzyme in antioxidant enzymatic defense which protects cell from oxidative damage, in this study, we aimed to investigate the relationship between CAT-21A/T (rs7943316) polymorphism and PE susceptibility.

Materials and Methods:

This case-control study was conducted on 155 PE women and 159 normotensive pregnant women. Polymerase chain reaction-restriction fragment length polymorphism method was used for genotyping.

Results:

There was no association between CAT-21AT and TT genotypes and PE susceptibility. However, the CAT-21A/T polymorphism was associated with 1.6-fold higher risk of PE in dominant model (AA vs. AT + TT) (odds ratio [OR] 1.6 [95% confidence interval [CI]: 0.9-2.9]; P = 0.04). However, the CAT-21A/T polymorphism was not associated with PE in recessive model (TT vs. AA + AT) (OR 1.3 [95% CI: 0.8-2.1]; P = 0.4).

Conclusions:

The CAT-21A/T polymorphism could be a risk factor for PE susceptibility in dominant model.

KEYWORDS:

CAT; polymorphism; preeclampsia

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