Cell CycleCell Cycle ProteinsTranscription FactorsG1 PhaseTranscription, GeneticS PhaseCell Cycle CheckpointsG2 Phase Cell Cycle CheckpointsG2 PhaseG1 Phase Cell Cycle CheckpointsCell DivisionMenstrual CycleMitosisCell Line, TumorCell ProliferationApoptosisCyclinsG0 PhaseCell LineCyclin-Dependent Kinase Inhibitor p21PhosphorylationMolecular Sequence DataGene Expression RegulationDNA-Binding ProteinsCyclin-Dependent Kinase Inhibitor p27RNA, MessengerSignal TransductionRetinoblastoma ProteinTumor Suppressor Protein p53Nuclear ProteinsCDC2 Protein KinaseBase SequenceFlow CytometryCyclin D1HeLa Cellscdc25 PhosphatasesCyclin B1Time FactorsCells, CulturedMutationCell NucleusDNAPromoter Regions, GeneticCyclin-Dependent Kinase 2Protein-Serine-Threonine KinasesTumor Cells, CulturedS Phase Cell Cycle CheckpointsCyclin EDNA DamageAmino Acid SequenceBlotting, WesternModels, BiologicalCyclin-Dependent Kinase 4Protein BindingDNA ReplicationCell DifferentiationCell SurvivalSaccharomyces cerevisiaeInterphaseEstrous CycleSp1 Transcription FactorRepressor ProteinsTransfectionTranscriptional ActivationAllyl CompoundsReverse Transcriptase Polymerase Chain ReactionProtein KinasesTrans-ActivatorsBinding SitesRNA, Small InterferingGene Expression Regulation, NeoplasticGene Expression Regulation, DevelopmentalHistonesCyclin-Dependent KinasesSaccharomyces cerevisiae ProteinsE2F Transcription FactorsGene Expression ProfilingDose-Response Relationship, DrugTumor Suppressor ProteinsCyclin AUp-RegulationGenes, cdcCyclin BFibroblastsAntineoplastic Agents, PhytogenicKineticsAntineoplastic AgentsRecombinant Fusion ProteinsE2F1 Transcription FactorLuteal PhaseChromatinDown-RegulationM Phase Cell Cycle CheckpointsOligonucleotide Array Sequence AnalysisCDC2-CDC28 KinasesFungal ProteinsGene ExpressionFollicular PhasePhenotypeProto-Oncogene Proteins