Figure 3From: Basic Mechanisms of Arsenic Trioxide (ATO)-Induced Apoptosis in Human Leukemia (HL-60) CellsRepresentative flow cytometry analysis data from active caspase-3 assay. The histograms show the distribution of caspase-3 negative cells (M1) and caspase-3 positive cells (M2) after 24 h exposure to ATO. A-control; B-2 μg/mL; C-4 μg/Ml; D-6 μg/mL; E-8 μg/mL.Back to article page