Transplantation of endothelial progenitor cells for improving placental perfusion in preeclamptic rats

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• 作者：Jianwen Zhu (1)
  Xiangwei Cheng (1)
  Qianhua Wang (1)
  Yan Zhou (1)
  Fang Wang (1)
  Li Zou (1)
  
  1. Department of Obstetrics and Gynecology ; Union Hospital ; Tong Ji Medical College ; Hua Zhong University of Science and Technology ; Jiefang Road ; NO.1277 ; Wuhan ; 430022 ; China
  
• 关键词：EPCs ; Preeclampsia ; Nestin
• 刊名：Archives of Gynecology and Obstetrics
• 出版年：2015
• 出版时间：May 2015
• 年：2015
• 卷：291
• 期：5
• 页码：1113-1119
• 全文大小：632 KB
• 参考文献：Program Working Group on High Blood Pressure in Pregnancy. Am J Obstet Gynecol 183: pp. S1-S22 CrossRef
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• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Gynecology
  Obstetrics and Perinatology
  Endocrinology
  Human Genetics
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-0711

文摘

Objective Effective treatments for preeclampsia are currently unavailable. As endothelial progenitor cell-transplantation may improve ischemia, it is an important undertaking to study the role of endothelial progenitor cells for improving the symptom of preeclampsia. Method Physiological and pathological changes in foetal rats and pregnant rats were monitored. Endothelial progenitor cells were isolated from the peripheral blood of normal rats and labelled by DiI. Endothelial progenitor cells were transplanted into the placenta of preeclampsia-like rats. Fluorescence microscopy was used to observe the differentiation of transplanted endothelial progenitor cells. Western blotting was used to observe the expression of nestin, an index of brain hypoxia in foetal rats. Result The rats suffered from abdominal aortic constriction and NG-nitro-l-arginine methyl ester injection (group F). The proteinuria and blood pressure of pregnant rats in group F increased on the 13th day of pregnancy. The proteinuria and blood pressure of group F was higher than in other groups of rats. The weight of foetal rats and foetal heads significantly decreased in group F compared with other groups. Typical pathological changes of preeclampsia were observed in the placental tissue of group F. In preeclampsia-like rats, transplantation of endothelial progenitor cells led to an increase in placenta angiogenesis. The expression of nestin weakened in endothelial progenitor cell-transplanted rats compared with the non-transplantation group. After EPCs transplantation, physiological parameters in the preeclampsia-like rats were significantly decreased. Conclusion Endothelial progenitor cells transplantation could improve preeclampsia-like symptom in rats and endothelial progenitor cell-transplantation relieves intrauterine hypoxia in brain tissues of foetal rats to a certain extent.