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Correlation of Cyr61 and CTGF in placentas from the late pre-eclamptic pregnancy
Xi Chen1, Yanyan Liu, Xiaoyan Xu
1Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
It is thought that a shallow invasion of the maternal decidua by extravillous trophoblasts (EVT) is associated with the development of pre-eclampsia. Here, we focus on the expression of the proangiogenic proteins Cyr61 and CTGF in the human placenta during normal pregnancy compared with that in the late pre-eclamptic placenta. Cyr61 and CTGF are expressed in the extravillous trophoblast and in endothelial cells. We found the expression of Cyr61 was significantly decreased in pre-eclamptic placentas compared with matched controls. In contrast, the CTGF expression level was upregulated in pre-eclamptic placentas. There was a negative correlation between Cyr61 and CTGF. These results suggest that decreased Cyr61 and overexpressed CTGF may play a part in the development of pre-eclampsia.
It is thought that a shallow invasion of the maternal decidua by extravillous trophoblasts (EVT) is associated with the development of pre-eclampsia. Here, we focus on the expression of the proangiogenic proteins Cyr61 and CTGF in the human placenta during normal pregnancy compared with that in the late pre-eclamptic placenta. Cyr61 and CTGF are expressed in the extravillous trophoblast and in endothelial cells. We found the expression of Cyr61 was significantly decreased in pre-eclamptic placentas compared with matched controls. In contrast, the CTGF expression level was upregulated in pre-eclamptic placentas. There was a negative correlation between Cyr61 and CTGF. These results suggest that decreased Cyr61 and overexpressed CTGF may play a part in the development of pre-eclampsia.
