Figure 2From: Basic Mechanisms of Arsenic Trioxide (ATO)-Induced Apoptosis in Human Leukemia (HL-60) CellsRepresentative flow cytometry analysis data from Annexin V-FITC/PI assay. The histograms show a comparison of the distribution of annexin V negative cells (M1) and annexin V 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