Cell CycleOxidative StressCell DeathHydrogen PeroxideReactive Oxygen SpeciesAntioxidantsLipid PeroxidationCell Cycle ProteinsDNA DamageCell SurvivalOxidation-ReductionCell Cycle CheckpointsG1 PhaseApoptosisMitosisS PhaseCell DivisionCyclinsG2 PhaseCells, CulturedMenstrual CycleCell ProliferationCell LineTime FactorsCell Line, TumorG2 Phase Cell Cycle CheckpointsCyclin-Dependent Kinase Inhibitor p27Cyclin-Dependent Kinase Inhibitor p21Retinoblastoma ProteinTumor Suppressor Protein p53PhosphorylationProtein-Serine-Threonine KinasesSignal TransductionDNA-Binding ProteinsCDC2 Protein KinaseDNA ReplicationFlow CytometryG0 PhaseMolecular Sequence DataG1 Phase Cell Cycle CheckpointsGenes, cdcCyclin-Dependent Kinase 2MutationNuclear ProteinsTumor Suppressor ProteinsDNACyclin D1DNA RepairRNA, MessengerCyclin EModels, BiologicalCell NucleusTumor Cells, CulturedGene Expression RegulationBlotting, WesternInterphaseCyclin ACyclin BL-Lactate DehydrogenaseDose-Response Relationship, DrugCyclin-Dependent Kinase 4Ultraviolet RaysHeLa CellsTranscription Factorscdc25 PhosphatasesCDC2-CDC28 KinasesSaccharomyces cerevisiaeFibroblastsBase SequenceEstrous CycleAmino Acid SequenceE2F Transcription FactorsTranscription, GeneticCell DifferentiationIn Situ Nick-End LabelingCyclin B1Saccharomyces cerevisiae ProteinsDown-RegulationEpithelial CellsProtein BindingAntineoplastic AgentsEnzyme InhibitorsProtein KinasesTransfectionImmunohistochemistryHistonesAtaxia Telangiectasia Mutated ProteinsBromodeoxyuridineMice, Inbred C57BLE2F1 Transcription FactorCyclin DReverse Transcriptase Polymerase Chain ReactionCitric Acid CycleRNA, Small InterferingGene ExpressionS Phase Cell Cycle CheckpointsKineticsRats, WistarMicroscopy, FluorescenceGene Expression Profiling