TGFB1 and gastric cancer: Exogenous addition of TGF-β1 inhibited miR-124 expression, while following lncRNA SND1-IT1 knockdown further enhanced miR-124 expression in HGC-27 cells, suggesting the involvement of lncRNA SND1-IT1/miR-124/TGF-β1 in the process of EMT in GC.