Cell CycleCell AgingCell Cycle ProteinsApoptosisCell Cycle CheckpointsTumor Suppressor Protein p53Cell Line, TumorCaspasesApoptosis Regulatory ProteinsCell ProliferationCell DivisionCaspase 3G1 PhaseCyclin-Dependent Kinase Inhibitor p21Signal TransductionProto-Oncogene Proteins c-bcl-2Cells, CulturedInhibitor of Apoptosis ProteinsCell SurvivalDNA DamageMitosisCell LineCyclinsS PhaseFibroblastsDNA FragmentationRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p16Tumor Cells, CulturedFlow CytometryIn Situ Nick-End Labelingbcl-2-Associated X ProteinG2 PhasePhosphorylationBlotting, WesternProtein-Serine-Threonine KinasesEnzyme ActivationDNA-Binding ProteinsCyclin-Dependent Kinase Inhibitor p27Tumor Suppressor ProteinsDown-RegulationG2 Phase Cell Cycle CheckpointsTime FactorsRNA, Small InterferingMitochondriaX-Linked Inhibitor of Apoptosis ProteinRNA, MessengerNuclear ProteinsGene Expression RegulationAntineoplastic AgentsProto-Oncogene ProteinsMutationMenstrual CycleTransfectionMolecular Sequence DataModels, BiologicalTranscription FactorsApoptosis Inducing FactorCaspase 9Cell NucleusCaspase InhibitorsHeLa CellsEnzyme InhibitorsCASP8 and FADD-Like Apoptosis Regulating ProteinG0 PhaseTelomereReactive Oxygen SpeciesRNA InterferenceUp-RegulationGene Expression Regulation, NeoplasticAgingReverse Transcriptase Polymerase Chain ReactionG1 Phase Cell Cycle CheckpointsCaspase 8Cyclin D1CDC2 Protein KinaseCyclin-Dependent Kinase 2Cell DifferentiationFas Ligand ProteinTelomerasebcl-X ProteinCytochromes cCell DeathDose-Response Relationship, DrugDNA ReplicationAnnexin A5Cyclin ETranscription, GeneticCyclin-Dependent Kinase 4Base SequencePlant LeavesGene ExpressionCarrier ProteinsOxidative StressDNAGenes, cdcAmino Acid SequenceProtein BindingCyclin APoly(ADP-ribose) Polymerases