Periapical GranulomaApoptosisbcl-2-Associated X ProteinProto-Oncogene Proteins c-bcl-2CaspasesCaspase 3DNA FragmentationIn Situ Nick-End LabelingAntigens, CD95PhagocytosisCaspase InhibitorsCaspase 9Apoptotic Protease-Activating Factor 1Cell SurvivalMitochondriaAnnexin A5Cell Line, TumorNecrosisJurkat CellsApoptosis Regulatory ProteinsSignal TransductionCytochromes cCaspase 8PhosphatidylserinesCells, CulturedCell DeathFas Ligand ProteinEnzyme ActivationTumor Suppressor Protein p53bcl-X ProteinFlow CytometryTumor Cells, CulturedCysteine Proteinase InhibitorsAmino Acid Chloromethyl KetonesCell LinePoly(ADP-ribose) PolymerasesBlotting, WesternProto-Oncogene ProteinsCaspase 7StaurosporineMacrophagesCytochrome c GroupMice, Inbred C57BL