首页|LncRNA MEG3 Inhibits the Epithelial-mesenchymal Transition of Bladder Cancer Cells through the Snail/E-cadherin Axis
LncRNA MEG3 Inhibits the Epithelial-mesenchymal Transition of Bladder Cancer Cells through the Snail/E-cadherin Axis
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Objective:This study aimed to investigate the role of the long noncoding RNA(lncRNA)maternally expressed gene 3(MEG3)in the epithelial-mesenchymal transition(EMT)of bladder cancer cells and the potential mechanisms.Methods:Cell invasion,migration,and wound healing assays were conducted to assess the effects of MEG3 on the invasive and migratory capabilities of bladder cancer cells.The expression levels of E-cadherin were measured using Western blotting,RT-qPCR,and dual luciferase reporter assays.RNA immunoprecipitation and pull-down assays were performed to investigate the interactions between MEG3 and its downstream targets.Results:MEG3 suppressed the invasion and migration of bladder cancer cells and modulated the transcription of E-cadherin.The binding of MEG3 to the zinc finger region of the transcription factor Snail prevented its ability to transcriptionally repress E-cadherin.Additionally,MEG3 suppressed the phosphorylation of extracellular regulated protein kinase(ERK),c-Jun N-terminal kinase(JNK),and P38,thereby decreasing the expression of Snail and stimulating the expression of E-cadherin.Conclusion:MEG3 plays a vital role in suppressing the EMT in bladder cancer cells,indicating its potential as a promising therapeutic target for the treatment of bladder cancer.
long noncoding RNAbladder cancermaternally expressed gene 3epithelial-mesenchymal transitionSnail
Liang WANG、Ping WANG、Bing LIU、Hui ZHANG、Cheng-cheng WEI、Ming XIONG、Gang LUO、Miao WANG
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Department of Urology,Union Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430022,China
Department of Clinical Laboratory,Union Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430022,China
Department of Urology,The Central Hospital of Wuhan,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430014,China
National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNatural Science Foundation of Hubei ProvinceNatural Science Foundation of Hubei Province
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