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Placental expression of VEGF is increased in pregnancies with hydatidiform mole: possible association with developing very early onset preeclampsia.

Abstract：

BACKGROUND:Hydatidiform mole is an abnormal pregnancy with over-proliferation of the placenta, which causes the dysfunction of placenta. Although more than 80% of hydatidiform moles are benign with good outcome, hydatidiform moles are associated with developing very early onset preeclampsia. However the association between hydatidiform mole and very early onset preeclampsia is unclear. Preeclampsia is associated with altered levels of angiogenic factors, like vascular endothelial growth factor (VEGF) and soluble endoglin. AIM:The aim of this study is to investigate the levels of VEGF and endoglin in hydatidiform molar placenta. STUDY DESIGN:21 placentas from complete hydatidiform mole, 9 placentas from partial hydatidiform mole and 18 placentas from gestation matched placenta were collected in this study. SUBJECTS:The subjects of this study are human placentas. OUTCOME MEASURES:The protein levels and mRNA levels of VEGF and endoglin were measured using immunohistochemistry, western blotting and real time PCR. RESULTS:The protein levels of VEGF measured by immunohistochemistry and western blotting were significant increased, as well as mRNA levels of VEGF quantified by real time PCR in hydatidiform molar placenta in comparison to normal controls. There was no difference in the protein levels of VEGF between complete and partial hydatidiform moles. In contrast, the levels of protein and mRNA in endoglin were no difference between hydatidiform molar placenta and normal controls. CONCLUSION:In this study our data show that hydatidiform moles produce more VEGF than normal early pregnant placenta. The increased levels of angiogenic factors VEGF in hydatidiform moles may link to the mechanism of developing very early onset preeclampsia.

journal_name

Early Hum Dev

journal_title

Early human development

authors

Zhao M,Yin Y,Guo F,Wang J,Wang K,Chen Q

doi

10.1016/j.earlhumdev.2013.02.008

subject

Has Abstract

pub_date

2013-08-01 00:00:00

pages

583-8

issue

eissn

0378-3782

issn

1872-6232

pii

S0378-3782(13)00038-8

journal_volume

pub_type

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Placental expression of VEGF is increased in pregnancies with hydatidiform mole: possible association with developing very early onset preeclampsia.