Checkpoint Kinase 2DNA MethylationProtein-Serine-Threonine KinasesProtein KinasesCell Cycle ProteinsDNA DamageCpG IslandsAtaxia Telangiectasia Mutated ProteinsPromoter Regions, GeneticCell CycleGenes, cdcG2 PhaseTumor Suppressor ProteinsMitosisGene SilencingM Phase Cell Cycle CheckpointsPhosphorylationCell Line, TumorS PhaseCell Cycle CheckpointsProtein Kinase InhibitorsMutationNuclear ProteinsPhosphatidylinositol 3-KinasesAzacitidinecdc25 PhosphatasesDNA-Binding ProteinsDNA ReplicationHydroxyureaGene Expression Regulation, NeoplasticMAP Kinase Signaling SystemSaccharomyces cerevisiae ProteinsCDC2 Protein KinaseSpindle ApparatusSchizosaccharomyces pombe ProteinsG2 Phase Cell Cycle CheckpointsSchizosaccharomycesDeath-Associated Protein KinasesDNA, NeoplasmIntracellular Signaling Peptides and ProteinsEpigenesis, GeneticDNA RepairCalcium-Calmodulin-Dependent Protein KinasesSignal TransductionDNA Modification MethylasesS Phase Cell Cycle CheckpointsTumor Suppressor Protein p53KinetochoresGenes, Tumor SuppressorMolecular Sequence DataSaccharomyces cerevisiaeRNA, Small InterferingApoptosisNeoplasm ProteinsCyclin-Dependent Kinase Inhibitor p16HistonesGenes, p16Protein BindingDNA (Cytosine-5-)-MethyltransferaseHeLa CellsBlotting, WesternProtein-Tyrosine KinasesBase SequenceNeoplasmsDown-RegulationAdaptor Proteins, Signal Transducingsrc-Family KinasesBreast NeoplasmsRNA, MessengerCell LinePolymerase Chain ReactionTumor Cells, CulturedEnzyme ActivationModels, BiologicalRadiation, IonizingReverse Transcriptase Polymerase Chain ReactionSulfitesNocodazoleCyclin-Dependent KinasesCell DivisionRNA InterferenceLung NeoplasmsCarrier ProteinsGenomic InstabilityStomach NeoplasmsCell SurvivalCdc20 Proteinsp38 Mitogen-Activated Protein KinasesG1 PhaseTransfectionAntineoplastic AgentsProtein Kinase CMethyl MethanesulfonateAurora KinasesCell ProliferationDNA Breaks, Double-StrandedProstatic NeoplasmsColonic NeoplasmsAmino Acid SequenceUltraviolet Rays