Apoptosis was analyzed with flow cytometry. (A) Representative flow cytometry results in 786-O and ACHN cells, with quantification in (B) 786-O cells and (C) ACHN cells. *P<0.05 and **P<0.01, with comparisons indicated by lines. miR, microRNA; PI, propidium iodide; FITC, fluorescein isothiocyanate; NC, negative control.