SkinKeratinocytesUltraviolet RaysMelanocytesFibroblastsEpidermisSkin NeoplasmsCells, CulturedSkin AgingDose-Response Relationship, RadiationSkin Physiological PhenomenaSkin, ArtificialDermisSkin DiseasesSkin PigmentationTumor Necrosis Factor-alphaTumor Markers, BiologicalTumor BurdenCell Line, TumorSkin AbsorptionSunlightMice, HairlessCell LineWilms TumorRNA, MessengerCell ProliferationNeoplasms, ExperimentalCysteamineGenes, Tumor SuppressorTumor Suppressor Protein p53Wound HealingMelaninsCell DivisionCarcinoid TumorCell SurvivalSkin TestsAdministration, TopicalDNA DamageMice, Inbred C57BLImmunohistochemistryKeratinsNeuroendocrine TumorsPhotosensitizing AgentsTumor Suppressor ProteinsSignal TransductionBrain NeoplasmsTransplantation, HeterologousTumor MicroenvironmentPyrimidine DimersCell Line, TransformedOxidative StressApoptosisErythemaNeovascularization, PathologicGene ExpressionMammary Neoplasms, ExperimentalDose-Response Relationship, DrugMutationBase SequenceCell DifferentiationMice, SCIDMice, Inbred BALB CMelanomaTime FactorsNeoplasm MetastasisGene Expression RegulationAdenocarcinomaModels, BiologicalGastrointestinal Stromal TumorsCarcinoma, Squamous CellCell Transformation, NeoplasticReverse Transcriptase Polymerase Chain ReactionAntigens, NeoplasmXenograft Model Antitumor AssaysNeoplasm ProteinsNeoplasmsSkin TransplantationMicroscopy, FluorescenceDNA PrimersDNAColonic NeoplasmsAntibodies, MonoclonalCulture Media, ConditionedMolecular Sequence DataFibrosarcomaLiver NeoplasmsCarcinoma, Ehrlich TumorDNA RepairKidney NeoplasmsHydrogen PeroxideReactive Oxygen SpeciesDermatitisMice, NudeBlotting, WesternOvarian NeoplasmsNeoplasm StagingGliomaDNA, NeoplasmMelanoma, ExperimentalCell Movement