Cell CycleCell Cycle ProteinsG1 PhaseS PhaseDisease ProgressionMitosisCell Cycle CheckpointsG2 PhaseCyclinsCheckpoint Kinase 2Cell DivisionProtein-Serine-Threonine KinasesCell ProliferationRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p27Cyclin-Dependent KinasesGenes, cdcDNA DamagePhosphorylationCyclin-Dependent Kinase 2Cyclin-Dependent Kinase Inhibitor p21Cyclin D1ApoptosisCell Line, TumorSignal TransductionCyclin EDNA-Binding ProteinsCDC2 Protein KinaseNuclear ProteinsCyclin AG2 Phase Cell Cycle CheckpointsCyclin BCell LineM Phase Cell Cycle CheckpointsDNA ReplicationMutationMolecular Sequence DataTumor Suppressor Protein p53E2F Transcription FactorsCyclin-Dependent Kinase 4CDC2-CDC28 KinasesTumor Suppressor ProteinsProtein Kinasescdc25 PhosphatasesTranscription FactorsE2F1 Transcription FactorG0 PhaseFlow CytometryCyclin B1HeLa CellsCells, CulturedSpindle ApparatusSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeTumor Cells, CulturedGene Expression RegulationAmino Acid SequenceRNA, MessengerBlotting, WesternCyclin DCell NucleusG1 Phase Cell Cycle CheckpointsRNA, Small InterferingProtein BindingModels, BiologicalTranscription, GeneticTime FactorsBase SequenceDown-RegulationCell SurvivalGene Expression Regulation, NeoplasticTransfectionTranscription Factor DP1S Phase Cell Cycle CheckpointsSchizosaccharomycesInterphaseHydroxyureaProto-Oncogene ProteinsRNA InterferenceDNAFibroblastsAtaxia Telangiectasia Mutated ProteinsCarrier ProteinsFungal ProteinsSchizosaccharomyces pombe ProteinsUbiquitin-Protein Ligase ComplexesRetinoblastoma-Binding Protein 1NocodazoleCell DifferentiationBromodeoxyuridineAnaphase-Promoting Complex-CyclosomeMimosineHistonesPromoter Regions, GeneticRepressor ProteinsEnzyme InhibitorsAntineoplastic AgentsMicrotubule-Associated ProteinsCyclin D2DNA Repair