Detection of caspase 3 and PARP protein in AML peripheral blood cells. Data from five of 16 AML patients are depicted. The lane loaded with protein from peripheral blood cells from normal individuals is labeled “N.” Uncleaved (32 kD) and cleaved (17 kD) caspase 3 (A) and uncleaved (116 kD) and cleaved (85 kD) PARP (B) are depicted.