DNA NucleotidylexotransferaseApoptosisApoptosis Regulatory ProteinsCaspasesCaspase 3Inhibitor of Apoptosis ProteinsProto-Oncogene Proteins c-bcl-2DNA FragmentationIn Situ Nick-End Labelingbcl-2-Associated X ProteinX-Linked Inhibitor of Apoptosis ProteinCell Line, TumorApoptosis Inducing FactorCell SurvivalCASP8 and FADD-Like Apoptosis Regulating ProteinCaspase 9Caspase InhibitorsSignal TransductionCaspase 8MitochondriaFas Ligand ProteinTumor Suppressor Protein p53Enzyme ActivationCytochromes cTumor Cells, CulturedCells, Culturedbcl-X ProteinAnnexin A5