Cell CycleCell Cycle ProteinsMitosisCell Cycle CheckpointsG1 PhaseS PhaseCell DivisionCyclinsG2 PhaseInterphaseCDC2 Protein KinaseMenstrual CycleApoptosisG2 Phase Cell Cycle CheckpointsCell ProliferationCyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p21Protein-Serine-Threonine KinasesPhosphorylationHeLa CellsCyclin BCell Line, TumorG0 PhaseSpindle ApparatusDNA ReplicationCell LineNuclear ProteinsTumor Suppressor Protein p53Molecular Sequence DataCyclin-Dependent Kinase 2DNA-Binding ProteinsDNA DamageCell NucleusG1 Phase Cell Cycle CheckpointsGenes, cdcNocodazoleCyclin ECyclin ACyclin B1Cyclin D1Flow CytometryMutationSaccharomyces cerevisiaeCentrosomeTumor Suppressor ProteinsSignal TransductionMeiosiscdc25 PhosphatasesCells, CulturedTranscription FactorsTime FactorsCyclin-Dependent Kinase 4Saccharomyces cerevisiae ProteinsTumor Cells, CulturedModels, BiologicalAmino Acid SequenceTelophaseCDC2-CDC28 KinasesDNATranscription, GeneticEstrous CycleRNA, MessengerGene Expression RegulationBase SequenceMicrotubulesSchizosaccharomycesMicrotubule-Associated ProteinsProtein KinasesCell DifferentiationE2F Transcription FactorsBromodeoxyuridineFungal ProteinsCell SurvivalBlotting, WesternProtein BindingHistonesMetaphaseUbiquitin-Protein Ligase ComplexesCyclin DChromosomesCitric Acid CycleM Phase Cell Cycle CheckpointsAnaphase-Promoting Complex-CyclosomeE2F1 Transcription FactorFibroblastsAnaphaseSchizosaccharomyces pombe ProteinsAntineoplastic AgentsTransfectionDown-RegulationMicroscopy, FluorescenceRNA InterferenceRNA, Small InterferingS Phase Cell Cycle CheckpointsProto-Oncogene ProteinsRecombinant Fusion ProteinsHydroxyureaTubulinCyclin D3