DNA DamageDNA RepairComet AssayAtaxia Telangiectasia Mutated ProteinsCell Cycle ProteinsUltraviolet RaysResearch PersonnelDeoxyguanosineCheckpoint Kinase 2Tumor Suppressor Protein p53DNA-Binding ProteinsDNA Breaks, Double-StrandedProtein-Serine-Threonine KinasesOxidative StressCell CycleTumor Suppressor ProteinsGamma RaysDNAApoptosisMethyl MethanesulfonateHistonesMutagensNuclear ProteinsGenomic InstabilityG2 PhaseDNA ReplicationMutationBiomedical ResearchCell Line, TumorPhosphorylationDNA Repair EnzymesDose-Response Relationship, RadiationCell LineCell SurvivalDNA AdductsReactive Oxygen SpeciesHydrogen PeroxideSignal TransductionDNA BreaksRadiation ToleranceProtein KinasesPoly(ADP-ribose) PolymerasesGenes, cdcCell Cycle CheckpointsDNA Breaks, Single-StrandedRad51 RecombinaseHeLa CellsDNA GlycosylasesSaccharomyces cerevisiae ProteinsS PhaseModels, BiologicalTime FactorsCells, CulturedBRCA1 ProteinFibroblastsSaccharomyces cerevisiaeMitosisCell AgingMicronucleus TestsResearchCell NucleusEthics, ResearchAntioxidantsHydroxyureaChromatinInternetDNA-Activated Protein KinaseG2 Phase Cell Cycle CheckpointsIntracellular Signaling Peptides and ProteinsAlkylating AgentsX-RaysMolecular Sequence DataResearch DesignProtein BindingReplication Protein ASoftwareRecombinational DNA RepairResearcher-Subject RelationsOxidation-ReductionRNA, Small InterferingDNA HelicasesPoly Adenosine Diphosphate RiboseCell DeathRecombination, GeneticNeoplasmsSOS Response (Genetics)Proto-Oncogene Proteins c-mdm2Pyrimidine DimersDNA-Formamidopyrimidine GlycosylaseMitomycinUser-Computer InterfaceHCT116 CellsMicronuclei, Chromosome-DefectiveResearch Support as TopicUbiquitinationBase SequenceCyclin-Dependent Kinase Inhibitor p21Dose-Response Relationship, DrugTelomereBlotting, Western