SNAI2 and triple-negative breast carcinoma: Interestingly, in the MDA-MB-231 cells, a triple-negative breast cancer cell line, the expression of galectin-1- and EMT-related markers Vimentin and Slug were significantly reduced by miR-22-3p overexpression (p < 0.05 and p < 0.05, respectively; Figure 7A,B).