Figure 4. MiR-141 promotes HNSCC apoptosis. (A, B) Flow cytometry AV-PI assays showing the effect of miR-141 on FaDu and Cal-27 cell apoptosis. (C-F) Western blots and real-time PCR showing the effect of miR-141 mimic and inhibitor on bcl-2 expression in FaDu and Cal-27 cells. Bars depict the mean ± SD. ** P< 0.05 vs. control.