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The Effects of Hsa-miR-5195-3p on the Proliferation, Migration and Invasion of Human Cervical Cancer SiHa Cells |
TANG Min,WAN Qun,SUN Shi-lei,HU Jing,SUN Zi-jiu,FANG Yu-ting,ZHANG Yan() |
Key Laboratory of Diagnostic Medicine Designated by the Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China |
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Abstract Objective: To investigate the effect of miR-5195-3p on the proliferation, migration and invasion of human cervical cancer cell line SiHa. Methods: The expression levels of miR-5195-3p in human cervical cancer cells SiHa and normal epithelial cells HaCaT were detected by real-time quantitative PCR.The miR-5195-3p mimic was transfected into SiHa cells to construct exogenous overexpressed cell lines,while the negative control group was transfected with NC mimic and the transfection efficiency was verified by real-time quantitative PCR;MTT and colony formation experiments were utilized to assess the proliferation capacity; The competence of transversal migration was examined by Wound healing experiment;Transwell assay was performed to evaluated the longitudinal migration and invasion ability;The mRNA transcription and protein expression levels of E-cadherin, Vimentin and snail were analyzed by real-time quantitative PCR and Western blot. Results: the expression level of miR-5195-3p in SiHa was lower than HaCaT (P<0.05).Compared with the negative control group, the level of miR-5195-3p in SiHa cell which transfected the miR-5195-3p mimic was significantly increased (P<0.01);Moreover, their proliferation,migration and invasion in vitro were distinctly reduced(P<0.001);Meanwhile, the expression levels of E-cadherin were up-regulated while those of Vimentin and snail were down-regulated. Conclusion: overexpression of miR-5195-3p may inhibit the proliferation, migration and invasion of cervical cancer cell SiHa by blocking EMT pathway.
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Received: 16 September 2019
Published: 18 May 2020
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Corresponding Authors:
Yan ZHANG
E-mail: zy2753@hotmail.com
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