Cell CycleCell Cycle ProteinsG1 PhaseS PhaseG2 PhaseMenstrual CycleMitosisG2 Phase Cell Cycle CheckpointsCell Cycle CheckpointsCell DivisionG1 Phase Cell Cycle CheckpointsApoptosisInterphaseCell ProliferationCell Line, TumorFlow CytometryCyclinsDNA DamageG0 PhaseCDC2 Protein KinasePhosphorylationRetinoblastoma ProteinCyclin D1Follicular PhaseCyclin-Dependent Kinase Inhibitor p21Tumor Suppressor Protein p53Luteal PhaseCyclin-Dependent Kinase Inhibitor p27Protein-Serine-Threonine KinasesCell LineCell SurvivalHeLa CellsDNA-Binding ProteinsTumor Cells, Culturedcdc25 PhosphatasesCyclin B1DNA ReplicationCyclin-Dependent Kinase 2BromodeoxyuridineS Phase Cell Cycle CheckpointsCell NucleusCyclin-Dependent KinasesBlotting, WesternAntineoplastic Agents, PhytogenicCyclin BDNASignal TransductionTime FactorsCyclin ECells, CulturedHistonesAphidicolinAntineoplastic AgentsCyclin-Dependent Kinase 4Tumor Suppressor ProteinsNuclear ProteinsTranscription FactorsAtaxia Telangiectasia Mutated ProteinsHL-60 CellsHydroxyureaAllyl CompoundsDose-Response Relationship, DrugSaccharomyces cerevisiaeEstrous CycleMutationPremenstrual SyndromeDNA RepairModels, BiologicalRNA, MessengerMicroscopy, FluorescenceKineticsPropidiumProtein KinasesDose-Response Relationship, RadiationCyclin AMolecular Sequence DataGenes, cdcGene Expression RegulationCell DifferentiationFibroblastsM Phase Cell Cycle CheckpointsRadiation ToleranceUltraviolet RaysFertile PeriodCDC2-CDC28 KinasesRNA, Small InterferingDNA, NeoplasmMitoxantroneGene Expression Regulation, NeoplasticImmunohistochemistryTopoisomerase II InhibitorsIsothiocyanatesEnzyme InhibitorsProgesteroneE2F Transcription FactorsGene ExpressionTranscription, GeneticDrug Screening Assays, AntitumorCricetinaeUp-Regulation