Cell CycleInterphaseCell Cycle ProteinsMitosisG1 PhaseS PhaseDisease ProgressionCell Cycle CheckpointsCell DivisionCyclinsG2 PhaseCell ProliferationHeLa CellsRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p27CDC2 Protein KinaseCell NucleusPhosphorylationProtein-Serine-Threonine KinasesCell LineMicrotubulesCyclin-Dependent Kinase Inhibitor p21Nuclear ProteinsCyclin-Dependent Kinase 2ApoptosisCyclin D1Spindle ApparatusCell Line, TumorCyclin EMolecular Sequence DataMetaphaseCentrosomeCyclin-Dependent KinasesDNA-Binding ProteinsCyclin ANocodazoleCyclin BCyclin-Dependent Kinase 4Signal TransductionG0 PhaseCDC2-CDC28 KinasesE2F Transcription FactorsMicrotubule-Associated ProteinsTubulinTumor Suppressor Protein p53Cells, CulturedIn Situ Hybridization, FluorescenceChromosomesMutationcdc25 PhosphatasesTumor Cells, CulturedDNA ReplicationG2 Phase Cell Cycle CheckpointsE2F1 Transcription FactorDNA DamageAmino Acid SequenceFlow CytometryTranscription FactorsTumor Suppressor ProteinsTelophaseGenes, cdcCyclin B1Microscopy, FluorescenceTime FactorsCentriolesProtein BindingModels, BiologicalG1 Phase Cell Cycle CheckpointsFluorescent Antibody TechniqueBase SequenceDNACyclin DProtein KinasesTransfectionRNA, MessengerDipodomysGene Expression RegulationFibroblastsBlotting, WesternHistonesMenstrual CycleTranscription, GeneticChromatinCytoplasmCell NucleolusCell SurvivalRecombinant Fusion ProteinsSaccharomyces cerevisiaeTranscription Factor DP1Down-RegulationGene Expression Regulation, NeoplasticRNA, Small InterferingBromodeoxyuridineAnaphaseChromosomal Proteins, Non-HistoneSaccharomyces cerevisiae ProteinsProto-Oncogene ProteinsSchizosaccharomycesCell DifferentiationRetinoblastoma-Binding Protein 1