Abstract
Objectives
This study is aimed to identify the expression of Notch family proteins in placentas from patients with early-onset severe preeclampsia.
Study Design
The expression of Notch family proteins in placentas was investigated by immunohistochemistry, Western blotting, and real-time reverse transcription–polymerase chain reaction (RT-PCR).
Results
The profile of distribution of all Notch family proteins in placentas from patients with early-onset severe preeclampsia is similar to that in normal placentas. All Notch family proteins are expressed in placental trophoblasts. Moreover, Notch1 and Jagged1 (Jag1) are detected in placental endothelial cells. Real-time RT-PCR showed that messenger RNA levels of Notch2 and Delta-like4 (Dll4) in placentas from patients with early-onset severe preeclampsia are lower than that of normal placentas. Western blotting showed a significant increase in Notch3 expression and a significant decrease in Notch2 expression in placentas from patients with early-onset severe preeclampsia relative to those in normal placentas.
Conclusion
The results suggest that Notch2 and Notch3 may play some roles in the pathogenesis of preeclampsia.
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Zhao, WX., Huang, TT., Jiang, M. et al. Expression of Notch Family Proteins in Placentas From Patients With Early-Onset Severe Preeclampsia. Reprod. Sci. 21, 716–723 (2014). https://doi.org/10.1177/1933719113512530
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DOI: https://doi.org/10.1177/1933719113512530