DNA DamageEpithelial CellsDNA RepairComet AssayCell LineEpitheliumDNACells, CulturedUltraviolet RaysAtaxia Telangiectasia Mutated ProteinsApoptosisCell Cycle ProteinsDeoxyguanosineDNA-Binding ProteinsDNA ReplicationCell CycleRespiratory MucosaTumor Suppressor Protein p53Intestinal MucosaProtein-Serine-Threonine KinasesBase SequenceMutationDNA, ViralSignal TransductionRNA, MessengerCheckpoint Kinase 2Oxidative StressCell Line, TumorCell DivisionDNA AdductsCell SurvivalMolecular Sequence DataTumor Suppressor ProteinsBronchiDNA, NeoplasmHeLa CellsDNA Breaks, Double-StrandedMouth MucosaPhosphorylationGamma RaysCell Transformation, NeoplasticGene Expression RegulationNuclear ProteinsFibroblastsTime FactorsBlotting, WesternCell NucleusEpithelium, CornealTumor Cells, CulturedHistonesLungImmunohistochemistryNucleic Acid HybridizationMutagensMammary Glands, AnimalMethyl MethanesulfonateEpithelioid CellsTransfectionReverse Transcriptase Polymerase Chain ReactionCaco-2 CellsReactive Oxygen SpeciesGenomic InstabilityCell ProliferationHydrogen PeroxideG2 PhaseKidneyTranscription, GeneticBacterial AdhesionDose-Response Relationship, DrugThymidineCell PolarityS PhaseFlow CytometryCell Line, TransformedCell Transformation, ViralRNA, Small InterferingAmino Acid SequenceModels, BiologicalPolymerase Chain ReactionInterleukin-8Pulmonary AlveoliMice, Inbred C57BLGene ExpressionLens, CrystallineProtein BindingColonDose-Response Relationship, RadiationRecombination, GeneticBreastDNA FragmentationFluorescent Antibody TechniqueDNA Repair EnzymesUp-RegulationProtein KinasesMammary Glands, HumanPoly(ADP-ribose) PolymerasesMicroscopy, FluorescenceMice, KnockoutCell DifferentiationDNA Breaks