Cell CycleCell Cycle ProteinsApoptosisCell Cycle CheckpointsG1 PhaseCaspasesCell DivisionCaspase 3Cell Line, TumorMitosisS PhaseCell ProliferationCyclinsProto-Oncogene Proteins c-bcl-2Tumor Suppressor Protein p53Apoptosis Regulatory ProteinsSignal TransductionCell SurvivalG2 PhaseDNA FragmentationCell LineCyclin-Dependent Kinase Inhibitor p21Cells, CulturedFlow CytometryTumor Cells, CulturedMenstrual CycleIn Situ Nick-End Labelingbcl-2-Associated X ProteinPhosphorylationInhibitor of Apoptosis ProteinsRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p27DNA DamageG2 Phase Cell Cycle CheckpointsProtein-Serine-Threonine KinasesBlotting, WesternG0 PhaseDNA-Binding ProteinsEnzyme ActivationTime FactorsMolecular Sequence DataCDC2 Protein KinaseG1 Phase Cell Cycle CheckpointsProto-Oncogene ProteinsRNA, MessengerAntineoplastic AgentsHeLa CellsCell NucleusNuclear ProteinsTumor Suppressor ProteinsMitochondriaCyclin D1Cyclin-Dependent Kinase 2MutationCaspase 9TransfectionCaspase InhibitorsGene Expression RegulationDown-RegulationTranscription FactorsModels, BiologicalEnzyme InhibitorsDNA ReplicationCyclin ERNA, Small InterferingGenes, cdcCyclin ACyclin BInterphaseCell DifferentiationCaspase 8Cyclin-Dependent Kinase 4Cell DeathX-Linked Inhibitor of Apoptosis ProteinDNAAnnexin A5Dose-Response Relationship, DrugCytochromes cGene Expression Regulation, NeoplasticTranscription, GeneticAmino Acid SequenceBase SequenceFas Ligand Proteinbcl-X ProteinE2F Transcription FactorsFibroblastsCDC2-CDC28 KinasesApoptosis Inducing FactorProtein BindingReverse Transcriptase Polymerase Chain ReactionCarrier ProteinsE2F1 Transcription Factorcdc25 PhosphatasesUp-RegulationEstrous CyclePoly(ADP-ribose) PolymerasesJurkat CellsCyclin B1RNA InterferenceCysteine Proteinase Inhibitors