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Neurogenic characteristics of placental stem cells in preeclampsia
C Bettina Portmann-Lanz1, Marc U Baumann, Martin Mueller
1Department of Obstetrics and Gynecology, University Hospital, Berne, Switzerland.
Objective:
Preeclampsia is associated with perinatal brain injury. Autologous placenta stem cell transplantation represents a promising future treatment option for neuroregeneration. The aim of this study was to compare the neuroregenerative capacity of preeclampsia-placenta stem cells to previously characterized placentas from uncomplicated pregnancies.
Study Design:
Placenta stem cells from amnion (epithelium, mesenchyme) and chorion were assessed for cell surface markers and the formation of neuronal-like cells, oligodendrocytes and their progenitors in culture.
Results:
Markers of preeclampsia-placenta stem cells were different from uncomplicated pregnancies-placenta stem cells in amnion epithelium and chorion, but not in amnion mesenchyme. Similarly to uncomplicated pregnancies-placenta stem cells, preeclampsia-placenta stem cells derived from amnion and chorion differentiated preferably into nestin-positive stem/progenitor cells and Tuj-1-positive neurons. However, other important markers were varying after neurogenic differentiation of uncomplicated pregnancies- and preeclampsia-placenta stem cells.
Conclusion:
Surface marker expression patterns of preeclampsia-placenta stem cell's and uncomplicated pregnancies-placenta stem cell's differ. In vitro differentiation assays, however, provide evidence that both preeclampsia-placenta stem cells and uncomplicated pregnancies-placenta stem cells are comparably suitable for neuroregeneration purposes.
