Cell CycleCytoplasmCell DivisionCell Cycle ProteinsMitosisSpindle ApparatusCell DifferentiationMutationStem CellsCell Cycle CheckpointsModels, BiologicalCell ProliferationCell PolarityCell LineageG1 PhaseSignal TransductionDrosophilaTime FactorsCell NucleusS PhasePhenotypeCyclinsG2 PhaseMolecular Sequence DataApoptosisMenstrual CycleCell LineCyclin-Dependent Kinase Inhibitor p27Cyclin-Dependent Kinase Inhibitor p21Retinoblastoma ProteinG2 Phase Cell Cycle CheckpointsCell Line, TumorNuclear ProteinsPhosphorylationAmino Acid SequenceCDC2 Protein KinaseProtein-Serine-Threonine KinasesDNA-Binding ProteinsCells, CulturedHeLa CellsTumor Suppressor Protein p53DNA ReplicationInterphaseG0 PhaseRNA, MessengerTranscription FactorsBase SequenceCyclin-Dependent Kinase 2G1 Phase Cell Cycle CheckpointsGenes, cdcCyclin D1Flow CytometryCyclin BDNA DamageCyclin ESaccharomyces cerevisiaeTumor Suppressor ProteinsCyclin ATranscription, GeneticTumor Cells, CulturedDNAGene Expression RegulationCyclin-Dependent Kinase 4BromodeoxyuridineProtein BindingBlotting, WesternSaccharomyces cerevisiae ProteinsMicroscopy, FluorescenceCDC2-CDC28 KinasesCell SurvivalRecombinant Fusion Proteinscdc25 PhosphatasesMicroscopy, ElectronTransfectionEstrous CycleImmunohistochemistryFibroblastsActive Transport, Cell NucleusCyclin B1E2F Transcription FactorsFungal ProteinsCarrier ProteinsSchizosaccharomycesProtein TransportProtein KinasesFluorescent Antibody TechniqueCyclin DKineticsMicrotubule-Associated ProteinsCitric Acid CycleGreen Fluorescent ProteinsMicrotubulesE2F1 Transcription FactorHistonesProto-Oncogene ProteinsDown-RegulationCentrosomeCaulobacter crescentusGene ExpressionRNA, Small Interfering