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Whether the placenta contributes to some of the abnormal hormonal profiles in gestational diabetes mellitus (GDM) pregnancies and whether GDM affects placental endocrine signaling pathways are yet to be established. The objective of this study was to investigate differences in the expression of the placental steroid and peptide hormone synthesis-related factors, enzymes and their receptors between...
Phosphatidylserine (PS) efflux characterizes cytotrophoblast apoptosis and differentiation. To evaluate whether PS externalization and intercellular fusion were secondary to apoptosis, BeWo cells were induced to differentiate by forskolin or undergo apoptosis by staurosporine. PS externalization was measured by FITC-annexin V binding, and intercellular fusion was quantified by counting nuclei in syncytial...
The env region of the human endogenous retrovirus ERV-3 is expressed during differentiation of trophoblast and the choriocarcinoma BeWo. Stable transfectants with ERV-3 env exhibit most aspects of trophoblast differentiation, including inhibition of cell proliferation, changes in cell morphology, and increased production of β-hCG mRNA. In this study, the cellular mechanism of induction of BeWo cell...
Differentiation-related expression of endogenous retrovirus ERV-3envin the normal human placental syncytiotrophoblast suggests a role in placental development. The choriocarcinoma cell line BeWo, a model of trophoblast differentiation, is maintained in an undifferentiated state and undergoes differentiation upon the addition of forskolin. The expression of ERV-3envmRNA increased after 48h forskolin...
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