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Purpose: The aim of this study was to compare the VEGF, PIGF, and HIF-1α levels in the placentas of early- and late-onset pre-eclamptic patients, which are thought to be important in pathophysiology of pre-eclampsia.
Material And Method: Pre-eclamptic early-onset (n = 22) and late-onset (n = 24) pregnant women and a control group of healthy pregnant women (n = 22) were recruited for this case-control study. A semi-quantitative immunohistochemical analysis of VEGF, PIGF and HIF-1α was performed in cross-sections of the placentas of the subjects, after which results were compared.
Results: Levels of VEGF and PIGF in the placentas of pre-eclamptic patients were found to be lower than the levels in the placentas of healthy pregnant women (p < 0.001 and p = 0.025, respectively), whereas the levels of HIF-1α were found significantly higher (p < 0.001). No difference was observed in terms of VEGF, PIGF and HIF-1α in a comparison of the early- and late-onset pre-eclampsia groups (p > 0.05).
Conclusion: The results of the study indicated that there is no relationship between the time of onset of pre-eclampsia and the placental changes that occur in these factors.
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| http://dx.doi.org/10.3109/09513590.2013.801437 | DOI Listing |
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