Cell CycleMitosisCell Cycle ProteinsCheckpoint Kinase 2S PhaseG1 PhaseG2 PhaseCell Cycle CheckpointsDisease ProgressionProtein-Serine-Threonine KinasesGenes, cdcDNA DamageCyclinsCell DivisionM Phase Cell Cycle CheckpointsSpindle ApparatusCDC2 Protein KinasePhosphorylationCyclin BCell ProliferationNuclear ProteinsCyclin-Dependent KinasesRetinoblastoma ProteinG2 Phase Cell Cycle CheckpointsProtein KinasesDNA ReplicationCyclin-Dependent Kinase Inhibitor p27Cyclin-Dependent Kinase 2Cyclin-Dependent Kinase Inhibitor p21Cell Line, TumorDNA-Binding ProteinsApoptosiscdc25 PhosphatasesCyclin D1Signal TransductionHeLa CellsMutationCyclin ECyclin ACell LineCyclin B1KinetochoresSaccharomyces cerevisiae ProteinsTumor Suppressor Protein p53Tumor Suppressor ProteinsSchizosaccharomycesMolecular Sequence DataNocodazoleSaccharomyces cerevisiaeInterphaseCDC2-CDC28 KinasesSchizosaccharomyces pombe ProteinsE2F Transcription FactorsS Phase Cell Cycle CheckpointsCyclin-Dependent Kinase 4Ataxia Telangiectasia Mutated ProteinsCell NucleusFlow CytometryChromosome SegregationAnaphaseE2F1 Transcription FactorTranscription FactorsUbiquitin-Protein Ligase ComplexesG0 PhaseHydroxyureaAnaphase-Promoting Complex-CyclosomeCells, CulturedFungal ProteinsModels, BiologicalCentrosomeAmino Acid SequenceMetaphaseRNA, Small InterferingTumor Cells, CulturedG1 Phase Cell Cycle CheckpointsProtein BindingTime FactorsAurora KinasesBlotting, WesternMicrotubulesCdc20 ProteinsMicrotubule-Associated ProteinsCell SurvivalRNA InterferenceDNA RepairCyclin DGene Expression RegulationRNA, MessengerHistonesDNATransfectionBase SequenceDown-RegulationFibroblastsTranscription, GeneticGene Expression Regulation, NeoplasticCarrier ProteinsProto-Oncogene ProteinsTranscription Factor DP1Meiosis