Abstract
Preeclampsia (PE) is an idiopathic hypertension syndrome occurring after 20 weeks of gestation. Reports showed that lncRNAs expression was abnormal in preeclampsia. We aimed to investigate the role of lncRNA CEACAMP8 in the proliferation, invasion and migration of trophoblast cells to improve the preeclampsia. The cell transfection effects were determined by RT-qPCR analysis. The proliferation, invasion and migration of HTR-8/SVneo cells were detected by CCK-8 assay, transwell assay and wound healing assay. The flow cytometry analysis analyzed the cell cycle. Moreover, the expression of CDK2, cyclinD1, P21, MMP2, MMP9, E-cadherin, b-catenin and vimentin was determined by the western blot analysis. Consequently, CEACAMP8 inhibition promoted the proliferation, invasion and migration of HTR-8/SVneo cells and kept most of the cells in the S phase. The expression of proteins related to the proliferation, invasion and migration of HTR-8/SVneo cells were also changed in accordance with the increase of proliferation, invasion and migration of HTR-8/SVneo cells. In addition, lncRNA CEACAMP8 inhibition decreased the expression of E-cadherin and b-catenin, and increased the vimentin expression to promote the epithelial-mesenchymal transition. And, CEACAMP8 overexpression could reverse the above changes. This study indicated that CEACAMP8 inhibition promoted the proliferation, invasion and migration of HTR-8/SVneo cells and lncRNA CEACAMP8 overexpression reversed.
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