Cell CycleCell Cycle ProteinsCheckpoint Kinase 2Cell Cycle CheckpointsMitosisGenes, cdcM Phase Cell Cycle CheckpointsG2 PhaseDNA DamageS PhaseProtein-Serine-Threonine KinasesG2 Phase Cell Cycle CheckpointsG1 PhaseCell Line, TumorCell ProliferationApoptosisCell LineSpindle ApparatusProtein KinasesSignal TransductionDNA ReplicationAtaxia Telangiectasia Mutated ProteinsS Phase Cell Cycle CheckpointsMolecular Sequence DataImmunohistochemistryKinetochoresBlotting, WesternGene Expression Regulation, NeoplasticNuclear ProteinsHydroxyureaRNA, MessengerPhosphorylationSaccharomyces cerevisiae ProteinsGene ExpressionCDC2 Protein KinaseCell DivisionCyclinsUp-RegulationDNA-Binding ProteinsSchizosaccharomycesGene Expression RegulationDown-RegulationBase SequenceProtein BindingCyclin BSchizosaccharomyces pombe Proteinscdc25 PhosphatasesTumor Suppressor Protein p53NocodazoleSaccharomyces cerevisiaeReverse Transcriptase Polymerase Chain ReactionMutationGene Expression ProfilingCyclin-Dependent Kinase Inhibitor p21Cells, CulturedTransfectionTumor Suppressor ProteinsDNA RepairPromoter Regions, GeneticHeLa CellsCdc20 ProteinsG1 Phase Cell Cycle CheckpointsChromosome SegregationMice, TransgenicFungal ProteinsRetinoblastoma ProteinCyclin B1Menstrual CycleCyclin-Dependent Kinase 2Cyclin-Dependent Kinase Inhibitor p27AnaphaseUbiquitin-Protein Ligase ComplexesModels, BiologicalAnaphase-Promoting Complex-CyclosomeFlow CytometryMembrane ProteinsTumor Markers, BiologicalCell NucleusGamma RaysMetaphaseCyclin ACyclin ERadiation, IonizingInterphaseIntracellular Signaling Peptides and ProteinsG0 PhaseGenomic InstabilityCell MovementAurora KinasesHistonesAmino Acid SequenceDNA, FungalCyclin D1DNAUltraviolet RaysRNA, Small InterferingTime FactorsDNA Breaks, Double-StrandedCDC2-CDC28 KinasesCell Survival