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Long Noncoding RNA VIM Antisense RNA 1 (VIM-AS1) Plays an Important Role in Development of Preeclampsia by Regulation of Epithelial Mesenchymal Transition

Xuehui Zhao, Xiaoying Jiang, Zongyin Liu, Mi Zhou, Juan Zhang, Xiaojing Wang, Xiaowen Li

Department of Obstetrics and Gynecology, Baoji Maternal and Child Health Care Hospital, Baoji, Shaanxi, China (mainland)

Med Sci Monit 2019; 25:8306-8314

DOI: 10.12659/MSM.916601

Available online:

Published: 2019-11-05


BACKGROUND: Long noncoding RNAs play important roles in the development of various diseases. This study aimed to evaluate the effects and mechanism of VIM antisense RNA 1 (VIM-AS1) in the development of preeclampsia.
MATERIAL AND METHODS: HTR-8/SVneo cells were divided into normal control (NC), Model, Blank, and VIM-AS1 groups. These groups were analyzed for their VIM-AS1 gene expressions by RT-PCR, HTR-8/SVneo cell invasion was assessed by transwell and migration by wound healing, cell morphology was assessed by microscopy examination, and E-cadherin, Snail, and Vimentin genes expressions were assessed by RT-PCR and WB assay.
RESULTS: VIM-AS1 gene expression was significantly different among normal placenta tissue, mild preeclampsia tissues, and severe preeclampsia tissues (P<0.001 or P<0.01). VIM-AS1 gene expressions, cell invasions, and wound healing rates in the Model and Blank groups were significantly suppressed compared with that of NC group (P<0.001, all). With VIM-AS1 supplementation, VIM-AS1 gene expression, cell invasion, and wound healing rate in the VIM-AS1 group were significantly increased compared with that in the Model group (P<0.001). RT-PCR and WB assay showed that E-cadherin gene and protein expressions in Model and Blank groups were significantly upregulated compared with the NC group (P<0.001); Snail and Vimentin gene and protein expressions in the Model and Blank groups were significantly downregulated compared with the NC group (P<0.001). With VIM-AS1 supplementation, E-cadherin, Snail, and Vimentin gene and proteins expression levels in the VIM-AS1 group were significantly different compared with that in the Model group (P<0.001).
CONCLUSIONS: VIM-AS1 promotes preeclampsia via inducing epithelial-to-mesenchymal transition (EMT).

Keywords: Cadherins, enoxaparin, Pre-Eclampsia, RNA, Long Noncoding, Snails, Vimentin



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