The adriamycin (ADM)-selected breast cancer MCF-7/ADM cell line exhibited higher levels of ABCB1 and Y-box binding protein-1 (YB-1), and transfection of miR-137 reduced both YB-1 and ABCB1 levels (Zhu et al., 2013) (Table 2). This evidence concerns the gene ABCB1 and breast carcinoma.