Journal of Southern Medical University ›› 2014, Vol. 34 ›› Issue (12): 1748-.
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Abstract: Objective To investigate the effect of miR-92b on the migration, adhesion and invasion of gastric cancer cell lineSGC7901. Methods The miR-92b inhibitor and mimics were transiently transfected in SGC7901 cells. The changes in themigration, adhesion and invasion of the transfected cells were tested with wound healing assay, Transwell migration assay,matrigel adhesion and Transwell invasion assay. The cellular expression of E-cadherin, vimentin, Akt and p-Akt were analyzedby Western blotting. Results The migration, adhesion and invasion assays showed that transfection with the inhibitor ofmiR-92b obviously decreased the numbers of gastric cancer cells. The expression of E-cadherin, AKT, and pAKT increased andvimentin decreased significantly in the cells transfected with the inhibitor of miR-92b. Transfection with the mimics of miR-92bproduced opposite effects in SGC7901 cells. Conclusion miR-92b promotes the migration, adhesion and invasion of humangastric cancer cell line SGC7901 by mediating epithelial-mesenchymal transition, and may accelerate tumor cell metastasis viasignaling pathways other than PI3K/Akt pathway.
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https://www.j-smu.com/EN/Y2014/V34/I12/1748