SkinKeratinocytesUltraviolet RaysMelanocytesFibroblastsEpidermisSkin NeoplasmsCells, CulturedSkin AgingDose-Response Relationship, RadiationEmbryo, MammalianSkin Physiological PhenomenaEmbryo, NonmammalianChick EmbryoSkin, ArtificialDermisSkin DiseasesSkin PigmentationEmbryo ImplantationBlastocystSkin AbsorptionEmbryonic DevelopmentSunlightMice, HairlessCysteamineWound HealingMelaninsEmbryo LossGene Expression Regulation, DevelopmentalEmbryonic and Fetal DevelopmentSkin TestsRNA, MessengerAdministration, TopicalCell LineFertilization in VitroPyrimidine DimersCleavage Stage, OvumBlastomeresDNA DamageCell DifferentiationPregnancyOxidative StressErythemaPhotosensitizing AgentsKeratinsMelanomaBase SequenceCell Line, TransformedImmunohistochemistryCell SurvivalGene ExpressionCell DivisionEmbryo DispositionApoptosisMorulaGene Expression RegulationZygoteSignal TransductionZebrafishIn Situ HybridizationMicroscopy, FluorescenceMutationModels, BiologicalMice, Inbred C57BLCulture TechniquesCryopreservationSkin TransplantationGastrulaMolecular Sequence DataBody PatterningDNATime FactorsDose-Response Relationship, DrugOocytesHydrogen PeroxideDNA PrimersDermatitisMorphogenesisSkin Physiological ProcessesCulture Media, ConditionedCell ProliferationAdministration, CutaneousEmbryo ResearchReactive Oxygen SpeciesCloning, OrganismSingle Embryo TransferMesodermSebaceous GlandsDNA RepairSkin UlcerHerpesvirus 1, HumanSkin Diseases, BacterialEctogenesisOrgan Culture TechniquesBlisterNuclear Transfer TechniquesEctodermSunscreening AgentsRabbitsZebrafish Proteins