M Phase Cell Cycle CheckpointsG2 Phase Cell Cycle CheckpointsCell CycleG2 PhaseS Phase Cell Cycle CheckpointsG1 Phase Cell Cycle CheckpointsAllyl CompoundsCell Cycle ProteinsCell Cycle CheckpointsIsothiocyanatesMitosisDNA DamageS PhaseCheckpoint Kinase 2Cell Line, TumorG1 PhaseApoptosisCell ProliferationGenes, cdcAtaxia Telangiectasia Mutated ProteinsProtein-Serine-Threonine KinasesCell DivisionTumor Suppressor Protein p53Phosphorylationcdc25 PhosphatasesProtein KinasesCDC2 Protein KinaseCyclin-Dependent Kinase Inhibitor p21DNA RepairDNA-Binding ProteinsCyclinsCyclin B1Flow CytometryTumor Suppressor ProteinsDNA ReplicationCyclin BNuclear ProteinsGamma RaysHydroxyureaAtaxia TelangiectasiaRadiation, IonizingSpindle ApparatusRetinoblastoma ProteinCell LineHeLa CellsSignal TransductionG0 PhaseRadiation ToleranceCyclin-Dependent Kinase 2MutationCyclin-Dependent KinasesCyclin-Dependent Kinase Inhibitor p27NocodazoleCyclin D1Cyclin ESaccharomyces cerevisiae ProteinsCell SurvivalUltraviolet RaysGenomic InstabilityTumor Cells, CulturedSaccharomyces cerevisiaeSchizosaccharomycesMolecular Sequence DataFibroblastsBlotting, WesternCells, CulturedRNA, Small InterferingSchizosaccharomyces pombe ProteinsHistonesModels, BiologicalDNA Breaks, Double-StrandedAntineoplastic Agents, PhytogenicCyclin-Dependent Kinase 4Cell NucleusDNAMimosineAntineoplastic AgentsFungal ProteinsInterphaseChromosomal InstabilityBRCA1 ProteinAmino Acid SequenceCyclin AAphidicolinCDC2-CDC28 KinasesGenes, p53Transcription FactorsKinetochoresProtein BindingTime FactorsGene Expression Regulation, NeoplasticBase SequenceDose-Response Relationship, RadiationIntracellular Signaling Peptides and ProteinsDose-Response Relationship, DrugRNA, MessengerMethyl MethanesulfonateDNA Repair EnzymesMetaphaseChromatin