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:: Volume 11, Issue 2 (Int J Mol Cell Med (In Press) 2022) ::
Int J Mol Cell Med 2022, 11(2): 0-0 Back to browse issues page
Nrf2 rs6721961 and Oxidative Stress in Preeclampsia: Association with the Risk of Preeclampsia and Early-Onset Preeclampsia
Fatemeh Khadir1 , Zohreh Rahimi 2, Azita Ghanbarpour3, Asad Vaisi-Raygani1
1- Department of Clinical Biochemistry, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran.
2- Department of Clinical Biochemistry, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran. , rahimizus@yahoo.com
3- Department of Obstetrics and Gynecology, Clinical Research Development Unit of Rouhani Hospital, Babol, Iran.
Abstract:   (294 Views)

Preeclampsia as a multifactor hypertensive disorder of pregnancy is associated with enhanced placental oxidative stress. The Keap1-Nrf2 pathway protects cells against oxidative stress. We examined the possible association between the Nrf2 variants in relation to oxidative stress parameters with the risk of preeclampsia. We studied 150 preeclampsia women and 150 women with a normal pregnancy to find the frequency of Nrf2 rs6721961 genotypes using the PCR-RFLP method. Also, an association between the Nrf2 genotypes with the levels of malondialdehyde (MDA) and total antioxidant capacity (TAC) was analyzed. Significantly lower TAC and higher MDA levels were found in preeclampsia patients compared to controls (P<0.0001). For the first time, we report an association between the Nrf2 rs6721961 polymorphism and preeclampsia risk. The present study indicated that the GT genotype and the T allele of the Nrf2 rs6721961 increased the risk of preeclampsia by 2.81 and 2.39 times, respectively. Also, the Nrf2 TT genotype was associated with a 3.9-fold increased risk of early-onset preeclampsia. We detected a positive association between the levels of body mass index, MDA, and the Nrf2 polymorphism with the risk of preeclampsia and a negative correlation between the level of TAC with the preeclampsia risk. Also, an association between the rs6721961 TT genotype with higher serum MDA levels was found. Our study suggests oxidative stress is involved in the pathogenesis of preeclampsia and the Nrf2 rs6721961 polymorphism through alteration in the levels of oxidative stress parameters might increase the risk of preeclampsia and early-onset preeclampsia.

 

Keywords: Preeclampsia, oxidative stress, Nrf2 variants, Malondialdehyde, total antioxidant capacity
     
Type of Study: Original Article | Subject: Genetics & Disease
Received: 2022/09/4 | Accepted: 2022/11/27 | Published: 2022/11/27
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Khadir F, Rahimi Z, Ghanbarpour A, Vaisi-Raygani A. Nrf2 rs6721961 and Oxidative Stress in Preeclampsia: Association with the Risk of Preeclampsia and Early-Onset Preeclampsia. Int J Mol Cell Med 2022; 11 (2)
URL: http://ijmcmed.org/article-1-2001-en.html


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Volume 11, Issue 2 (Int J Mol Cell Med (In Press) 2022) Back to browse issues page
International Journal of Molecular and Cellular Medicine (IJMCM) International Journal of Molecular and Cellular Medicine (IJMCM)
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