SimazineKiller Cells, NaturalApoptosisCytokinesLeukocytes, MononuclearCells, CulturedFlow CytometryKiller Cells, Lymphokine-ActivatedT-LymphocytesCytotoxicity, ImmunologicLymphocyte ActivationMice, Inbred C57BLInterferon-gammaLymphocytesImmune SystemCaspase 3Signal TransductionCaspasesInterleukin-2Apoptosis Regulatory ProteinsCell Line, TumorTumor Necrosis Factor-alphaCell LineProto-Oncogene Proteins c-bcl-2MonocytesAntigens, CDMice, Inbred BALB CImmunity, InnateRNA, MessengerCell SurvivalReceptors, Natural Killer CellIn Situ Nick-End LabelingCell ProliferationSpleenCD4-Positive T-LymphocytesMice, KnockoutMembrane GlycoproteinsMacrophagesKiller Factors, YeastReceptors, KIRTime FactorsFas Ligand ProteinImmunity, CellularDNA FragmentationTumor Cells, CulturedReceptors, ImmunologicDendritic CellsInhibitor of Apoptosis ProteinsCytokine-Induced Killer CellsImmunophenotypingB-Lymphocytesbcl-2-Associated X ProteinGene Expression RegulationImmune ToleranceReverse Transcriptase Polymerase Chain Reaction