Cell CycleG1 PhaseCell Cycle ProteinsG2 Phase Cell Cycle CheckpointsS PhaseG1 Phase Cell Cycle CheckpointsG2 PhaseCell Cycle CheckpointsG0 PhaseCell DivisionCell ProliferationMitosisCell Line, TumorApoptosisCyclin-Dependent Kinase Inhibitor p21CyclinsCyclin-Dependent Kinase Inhibitor p27Cyclin B1Menstrual Cyclecdc25 PhosphatasesCDC2 Protein KinaseS Phase Cell Cycle CheckpointsCyclin D1PhosphorylationTumor Suppressor Protein p53Retinoblastoma ProteinFlow CytometryCyclin-Dependent Kinase 2Allyl CompoundsCyclin ECyclin-Dependent Kinase 4DNA DamageProtein-Serine-Threonine KinasesCell LineSignal TransductionCyclin-Dependent KinasesCell SurvivalBlotting, WesternTime FactorsAntineoplastic Agents, PhytogenicDNA-Binding ProteinsHeLa CellsTumor Cells, CulturedInterphaseCells, CulturedIsothiocyanatesProtein KinasesDNA ReplicationM Phase Cell Cycle CheckpointsTranscription FactorsDose-Response Relationship, DrugAntineoplastic AgentsRNA, Small InterferingCell NucleusMolecular Sequence DataEstrous CycleGene Expression Regulation, NeoplasticNuclear ProteinsModels, BiologicalMutationDNACyclin ACyclin Bbcl-2-Associated X ProteinRNA, MessengerGenes, cdcUp-RegulationTumor Suppressor ProteinsCDC2-CDC28 KinasesGene Expression RegulationBromodeoxyuridineLuteal PhaseSaccharomyces cerevisiaeBase SequenceCell DifferentiationFibroblastsAmino Acid SequenceFollicular PhaseE2F Transcription FactorsHistonesKineticsMimosineTranscription, GeneticAtaxia Telangiectasia Mutated ProteinsSaccharomyces cerevisiae ProteinsProliferating Cell Nuclear AntigenReverse Transcriptase Polymerase Chain ReactionUltraviolet RaysDown-RegulationDNA RepairHydroxyureaProtein BindingFungal ProteinsPeriodicityAphidicolinTransfectionImmunohistochemistryGene Expression ProfilingCheckpoint Kinase 2Cyclin-Dependent Kinase Inhibitor p16