Cell CycleInterphaseCell Cycle ProteinsMitosisCell Cycle CheckpointsG1 PhaseS PhaseCell DivisionCell NucleusCyclinsG2 PhaseCDC2 Protein KinaseMicrotubulesMetaphaseIn Situ Hybridization, FluorescenceSpindle ApparatusHeLa CellsChromosomesMenstrual CycleNuclear ProteinsApoptosisPhosphorylationCentrosomeCell LineCell ProliferationProtein-Serine-Threonine KinasesMolecular Sequence DataTelophaseCyclin BCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27Retinoblastoma ProteinG2 Phase Cell Cycle CheckpointsChromatinMicrotubule-Associated ProteinsDNA ReplicationCell Line, TumorDNA-Binding Proteinscdc25 PhosphatasesTubulinCyclin-Dependent Kinase 2Tumor Suppressor Protein p53G0 PhaseNocodazoleCyclin AG1 Phase Cell Cycle CheckpointsDNA DamageSchizosaccharomycesMutationGenes, cdcMicroscopy, FluorescenceAmino Acid SequenceCells, CulturedCyclin D1Cell NucleolusCyclin B1DNAFlow CytometryCyclin ECentriolesHistonesTime FactorsModels, BiologicalTranscription FactorsTumor Cells, CulturedSignal TransductionCDC2-CDC28 KinasesCentromereTumor Suppressor ProteinsNuclear EnvelopeProphaseCyclin-Dependent Kinase 4Base SequenceChromosomal Proteins, Non-HistoneProtein BindingSchizosaccharomyces pombe ProteinsTranscription, GeneticFluorescent Antibody TechniqueChromosomes, HumanSaccharomyces cerevisiaeChromosome PositioningRecombinant Fusion ProteinsFibroblastsGene Expression RegulationChromosome AberrationsEstrous CycleProtein KinasesRNA, MessengerCytoplasmBlotting, WesternAnaphaseE2F Transcription FactorsCell SurvivalBromodeoxyuridineSaccharomyces cerevisiae ProteinsCell DifferentiationTransfectionFungal ProteinsRNA InterferenceNucleolus Organizer Region