期刊
ACTA HISTOCHEMICA
卷 114, 期 6, 页码 589-593出版社
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.acthis.2011.11.003
关键词
Paternally expressed gene 10; Preeclampsia; Placenta; Human
类别
资金
- Natural Science Foundation of Liaoning Province [20102279]
The aim of this study was to determine qualitative and quantitative changes in paternally expressed gene 10 (PEG10) expression in preeclamptic placentas. Placental tissues were obtained immediately after delivery from women with normal pregnancies (n = 20) and patients with preeclampsia (n = 20). Quantitative real-time RT-PCR, Western blot analysis and immunohistochemistry were used to determine PEG10 gene expression and localization in placental tissues. Compared with the normal group, PEG10 was highly expressed at both mRNA and protein levels in preeclampsia (P < 0.05). In immunohistochemical staining, PEG10 was present in the syncytiotrophoblast, cytotrophoblast, endothelial cell and stroma of all placentas. Notably, the intensity of PEG10 expression in the syncytiotrophoblast, cytotrophoblast and stem villi was much higher in preeclampsia than in normal. In conclusion, elevated expression of PEG10 is likely to be involved in the pathophysiology of preeclampsia. Further studies are needed to elucidate the precise role of PEG10 in preeclampsia. (C) 2011 Elsevier GmbH. All rights reserved.
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