Fig. 1

Flow cytometry assessment of apoptotic cells. A Control, B acute myeloid leukemia, C acute lymphoblastic leukemia). Annexin V FITC (AnxV FITC) and propidium iodide PE (PI PE) fluorescence. Regions: R4 normal cells, R2 late apoptotic (AnxV + /PI +), R3 early apoptotic (AnxV + /PI-)