Abstract
Background
The main purpose of this study was to determine the maternal and umbilical cord blood oxidized LDL (oxLDL) and soluble lectin-like oxidized low-density lipoprotein receptor-1 (sLOX-1) levels in early- and late-onset preeclampsia (PE).
Materials and methods
A case–control study was conducted in pregnant women with early-onset (before 34 weeks’ gestation n = 19) and late-onset (after 34 weeks’ gestation n = 22) PE compared to healthy normotensive pregnant controls (n = 44). Groups were compared for the maternal and umbilical cord plasma oxLDL and serum sLOX-1 levels.
Results
The mean maternal and umbilical cord serum sLOX-1 and plasma oxLDL levels were significantly increased in early- and late-onset PE compared to controls (p < 0.001). When early- and late-onset PE women were compared with serum sLOX-1 levels, the increase was more pronounced in early PE (p < 0.001). However, same comparison is not statistically significant in cord blood for oxLDL where as it is significantly higher in maternal blood for oxLDL in early-onset PE group. Maternal and cord blood oxLDL and sLOX-1 levels are positively correlated with each other; however, they are negatively correlated with fetal weight and gestational age.
Conclusions
According to our results, maternal and umbilical cord blood levels of oxLDL and sLOX-1 were higher in preeclamptic pregnant. Thus, for the first time it has been shown that oxLDL and sLOX-1 levels were higher in fetal circulation as well as plasma of preeclamptic pregnant. However, sLOX-1 levels seem to be more implying than oxLDL for the differentiation of early and late preeclampsia.
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Acknowledgments
This work was supported by The Research Fund of Istanbul University (Project Number: BYP-21176).
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The authors declare that they have no conflicts of interest related to the publication of this manuscript.
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Tuten, A., Erman, H., Korkmaz, G.G. et al. Comparison of maternal and umbilical cord blood soluble lectin-like oxidized low-density lipoprotein receptor 1 levels in early- and late-onset preeclampsia. Arch Gynecol Obstet 290, 1007–1013 (2014). https://doi.org/10.1007/s00404-014-3294-5
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DOI: https://doi.org/10.1007/s00404-014-3294-5