M Phase Cell Cycle CheckpointsG2 Phase Cell Cycle CheckpointsCell CycleG2 PhaseS Phase Cell Cycle CheckpointsG1 Phase Cell Cycle CheckpointsAllyl CompoundsCell Cycle ProteinsCell Cycle CheckpointsMitosisIsothiocyanatesS PhaseDNA DamageCheckpoint Kinase 2G1 PhaseCell Line, TumorApoptosisCell ProliferationGenes, cdcAtaxia Telangiectasia Mutated ProteinsProtein-Serine-Threonine KinasesCell DivisionTumor Suppressor Protein p53Phosphorylationcdc25 PhosphatasesProtein KinasesCDC2 Protein KinaseCyclin-Dependent Kinase Inhibitor p21DNA RepairCyclinsCyclin B1DNA-Binding ProteinsFlow CytometryTumor Suppressor ProteinsDNA ReplicationCyclin BNuclear ProteinsGamma RaysHydroxyureaAtaxia TelangiectasiaRadiation, IonizingSpindle ApparatusRetinoblastoma ProteinHeLa CellsG0 PhaseSignal TransductionCell LineCyclin-Dependent Kinase 2MutationRadiation ToleranceCyclin-Dependent KinasesCyclin-Dependent Kinase Inhibitor p27Cyclin ENocodazoleCyclin D1Saccharomyces cerevisiae ProteinsUltraviolet RaysCell SurvivalGenomic InstabilitySaccharomyces cerevisiaeTumor Cells, CulturedSchizosaccharomycesFibroblastsMolecular Sequence DataModels, BiologicalRNA, Small InterferingSchizosaccharomyces pombe ProteinsHistonesBlotting, WesternCyclin-Dependent Kinase 4Cells, CulturedDNADNA Breaks, Double-StrandedAntineoplastic Agents, PhytogenicCell NucleusMimosineFungal ProteinsInterphaseAntineoplastic AgentsChromosomal InstabilityCyclin ABRCA1 ProteinCDC2-CDC28 KinasesAmino Acid SequenceAphidicolinProtein BindingTranscription FactorsGenes, p53KinetochoresTime FactorsGene Expression Regulation, NeoplasticBase SequenceDose-Response Relationship, RadiationIntracellular Signaling Peptides and ProteinsMetaphaseMethyl MethanesulfonateDNA Repair EnzymesDose-Response Relationship, DrugChromatinRNA Interference