ApoptosisLeukemiaLeukemia, Myeloid, AcuteLeukemia, MyeloidCaspasesApoptosis Regulatory ProteinsTumor Cells, CulturedLeukemia, LymphoidCaspase 3Gene Expression Regulation, LeukemicHL-60 CellsProto-Oncogene Proteins c-bcl-2Leukemia, ExperimentalSignal TransductionCell LineInhibitor of Apoptosis ProteinsCell Line, TumorCell SurvivalCells, CulturedDNA FragmentationLeukemic InfiltrationCell DivisionK562 CellsRNA, Messengerbcl-2-Associated X ProteinFlow CytometryIn Situ Nick-End LabelingBone MarrowX-Linked Inhibitor of Apoptosis ProteinAntineoplastic AgentsLeukemia, T-CellMolecular Sequence DataDose-Response Relationship, DrugCaspase 9Cell DifferentiationPrecursor Cell Lymphoblastic Leukemia-LymphomaU937 CellsTime FactorsMitochondriaModels, BiologicalLeukemia, Promyelocytic, AcuteLeukemia, Monocytic, AcuteEnzyme ActivationApoptosis Inducing FactorCaspase InhibitorsLeukemia-Lymphoma, Adult T-CellBase SequenceCaspase 8Cell CycleTumor Suppressor Protein p53Cell ProliferationCASP8 and FADD-Like Apoptosis Regulating ProteinJurkat CellsProto-Oncogene ProteinsLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Lymphocytic, Chronic, B-CellNeoplasm ProteinsFas Ligand ProteinHematopoietic Stem CellsGene Expression RegulationMutationReverse Transcriptase Polymerase Chain ReactionKineticsCytarabineUp-Regulationbcl-X ProteinCytochromes cBlotting, WesternAnnexin A5Membrane ProteinsDNA-Binding ProteinsBlast CrisisTranscription FactorsArabinofuranosylcytosine TriphosphateProtein BindingGene ExpressionNeoplastic Stem CellsAmino Acid SequenceCarrier ProteinsTransfectionMice, Inbred C57BLEnzyme InhibitorsDrug SynergismCysteine Proteinase InhibitorsFusion Proteins, bcr-ablLeukemia, B-CellLeukemia L1210Cell MembraneRecombinant ProteinsGranulocytesTranscription, GeneticAmino Acid Chloromethyl KetonesDown-RegulationT-LymphocytesBone Marrow CellsPoly(ADP-ribose) PolymerasesPhosphorylationDrug Resistance, NeoplasmLymphocytesCell Death