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- Title
MicroRNA-19a-3p suppresses invasion and metastasis of prostate cancer via inhibiting SOX4.
- Authors
FENG, Y. G.; ZHAO, J. F.; XIAO, L.; RAO, W. Y.; RAN, C.; XIAO, Y. H.
- Abstract
OBJECTIVE: To explore the role of microRNA-19a-3p in regulating invasion, metastasis and EMT (epithelial mesenchymal transition) of prostate cancer (PCa) cells, as well as its underlying mechanism. MATERIALS AND METHODS: MicroRNA- 19a-3p mimic and negative control plasmid were first constructed. After transfection of microRNA-19a-3p mimic or negative control in DU145 cells, expression levels of microRNA-19a-3p and SOX4 were detected by quantitative Real-time-polymerase chain reaction (qRTPCR) and Western blot. The regulatory effects of microRNA-19a-3p on migration and invasion of DU145 cells were detected by wound healing assay and transwell assay, respectively. Protein levels of matrix metalloproteinase-2 (MMP2), matrix metalloproteinase-9 (MMP9), N-cadherin, Vimentin, alpha-smooth muscle actin (α-SMA) and E-cadherin in DU145 cells transfected with microRNA-19a-3p mimic or negative control were detected by Western blot. RESULTS: Overexpression of microRNA-19a-3p inhibited protein level of SOX4 in DU145 cells. The migration and invasion of DU145 cells were inhibited after transfection of microRNA-19a-3p mimic. Protein levels of MMP2, MMP9, N-cadherin, Vimentin and α-SMA were downregulated, whereas E-cadherin was upregulated after microRNA-19a-3p overexpression. CONCLUSIONS: MicroRNA-19a-3p inhibits migration, invasion and EMT of PCa cells via inhibiting SOX4.
- Subjects
MICRORNA; METASTASIS; PROSTATE cancer; CANCER cells; CANCER cell migration
- Publication
European Review for Medical & Pharmacological Sciences, 2018, Vol 22, Issue 19, p6245
- ISSN
1128-3602
- Publication type
Article