Apoptosis in KBM5 and KBM5-STI571 cells treated with Sur-AS-ODN. Apoptotic-cell death was measured by annexin V (A), CaspaTag (B), and CMXRos/MTGreen (C) staining at 48 and 72 hours. Sol cont indicates solution T control; prog cont, nucleofection program K17 control; NS, Sur-NS-ODN control; AS, Sur-AS-ODN.