open access
Can redox imbalance predict abnormal foetal development?


- Poznan University of Medical Sciences, Poland, Poland
open access
Abstract
Objectives: Based on the current state of knowledge, elevated levels of oxidative stress markers may be considered as risk factors for pregnancy complications. The aim of the research was to assess the correlation between selected oxidative stress biomarkers with the occurrence of foetal chromosomal aberration and congenital malformations. Material and methods: This retrospective research lasted for two years. The purpose was to determine serum levels of selected oxidative stress markers, including total protein (TP), glutathione (GSH), S-nitrosothiols (RSNO), nitric oxide (NO), trolox equivalent antioxidant capacity (TEAC) and glutathione S-transferase (GST) at 11–13 + 6 gestational weeks in 38 women with confirmed foetal developmental abnormalities and in 34 healthy pregnancies in order to assess their utility as predictors of abnormal foetal development. Results: Serum concentrations of TP (56.90 ± 5.30 vs 69.1 ± 15.30 mg/mL), TEAC (4.93 ± 0.82 vs 5.64 ± 0.74 μM/mL) and GST (15.94 ± 4.52 vs 21.72 ± 6.81 nM/min/mg) were statistically significantly (p < 0.05) lower in the group of patients with developmental abnormalities in the fetus, whereas GSH levels (6.43 ± 1.24 vs 4.98 ± 1.88 nM/mg) were significantly higher, compared to the group of healthy fetuses. There were no differences in the concentration of these markers between chromosomal aberrations and fetal dysmorphia in subjects. A significant difference in odds ratio obtained for GSH (OR = 0.57, 95% CL: 0.40–0.80) indicates that its higher concentration can relate to reduced risk of developmental abnormalities, whereas odds ratio for TP (OR=1.11, 95% CL: 1.04–1.17), TEAC (OR = 3.54, 95% CL: 1.56–8.05) and GST (OR = 1.18, 95% CL: 1.03–1.17) indicate that their elevation may increase the risk of developmental abnormalities Conclusions: Elevated levels of TP, GST, TEAC and low GSH level may be relevant to predict congenital defects.
Abstract
Objectives: Based on the current state of knowledge, elevated levels of oxidative stress markers may be considered as risk factors for pregnancy complications. The aim of the research was to assess the correlation between selected oxidative stress biomarkers with the occurrence of foetal chromosomal aberration and congenital malformations. Material and methods: This retrospective research lasted for two years. The purpose was to determine serum levels of selected oxidative stress markers, including total protein (TP), glutathione (GSH), S-nitrosothiols (RSNO), nitric oxide (NO), trolox equivalent antioxidant capacity (TEAC) and glutathione S-transferase (GST) at 11–13 + 6 gestational weeks in 38 women with confirmed foetal developmental abnormalities and in 34 healthy pregnancies in order to assess their utility as predictors of abnormal foetal development. Results: Serum concentrations of TP (56.90 ± 5.30 vs 69.1 ± 15.30 mg/mL), TEAC (4.93 ± 0.82 vs 5.64 ± 0.74 μM/mL) and GST (15.94 ± 4.52 vs 21.72 ± 6.81 nM/min/mg) were statistically significantly (p < 0.05) lower in the group of patients with developmental abnormalities in the fetus, whereas GSH levels (6.43 ± 1.24 vs 4.98 ± 1.88 nM/mg) were significantly higher, compared to the group of healthy fetuses. There were no differences in the concentration of these markers between chromosomal aberrations and fetal dysmorphia in subjects. A significant difference in odds ratio obtained for GSH (OR = 0.57, 95% CL: 0.40–0.80) indicates that its higher concentration can relate to reduced risk of developmental abnormalities, whereas odds ratio for TP (OR=1.11, 95% CL: 1.04–1.17), TEAC (OR = 3.54, 95% CL: 1.56–8.05) and GST (OR = 1.18, 95% CL: 1.03–1.17) indicate that their elevation may increase the risk of developmental abnormalities Conclusions: Elevated levels of TP, GST, TEAC and low GSH level may be relevant to predict congenital defects.
Keywords
oxidative stress; congenital malformations; chromosomal abnormalities; prenatal diagnostic


Title
Can redox imbalance predict abnormal foetal development?
Journal
Issue
Article type
Research paper
Pages
209-216
Published online
2021-09-22
Page views
4802
Article views/downloads
494
DOI
Pubmed
Bibliographic record
Ginekol Pol 2022;93(3):209-216.
Keywords
oxidative stress
congenital malformations
chromosomal abnormalities
prenatal diagnostic
Authors
Marek Pietryga
Kinga Tobola-Wrobel
Piotr Dydowicz
Katarzyna Ziolkowska
Marta Napierala
Ewa Florek
Jacek Brazert


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