SkinPrenatal InjuriesCloning, MolecularKeratinocytesSkin Physiological PhenomenaKeratin-17EpidermisHair FollicleDermisFibroblastsAdipose Tissue, BrownAdipocytes, BrownSkin AgingSkin NeoplasmsThermogenesisSebaceous GlandsClone CellsFetusWound HealingCells, CulturedUltraviolet RaysSkin TransplantationBase SequenceMolecular Sequence DataMastoidMelanocytesAmino Acid SequenceEnergy MetabolismSkin, ArtificialNutritional RequirementsSkin DiseasesBody Temperature RegulationSkin PigmentationCell DifferentiationCold TemperatureModels, BiologicalAgingDNA, ComplementaryStem CellsNitrogenSequence Homology, Amino AcidReference ValuesMitochondrial ProteinsCell LinePositron-Emission TomographyRNA, MessengerCysteamineDNASex CharacteristicsMice, HairlessLearningSunlightSkin TestsTime FactorsFluorodeoxyglucose F18Dose-Response Relationship, RadiationPregnancyDietary ProteinsGene ExpressionSkin AbsorptionIon ChannelsMuscle, SkeletalSequence Analysis, DNAPsychomotor PerformanceCloning, OrganismBrainDNA PrimersSequence AlignmentSequence Homology, Nucleic AcidOxidative StressCell Line, TransformedDNA DamagePhotosensitizing AgentsMutationDietGene Expression RegulationMelaninsPolymerase Chain ReactionAge FactorsEscherichia coliAdministration, TopicalBody WeightObesityMelanomaGenes, BacterialPyrimidine DimersChromosome MappingPlasmidsMagnetic Resonance ImagingInfant, NewbornKeratinsCell SurvivalBlotting, NorthernBlotting, SouthernRecombinant ProteinsPhylogenyNucleic Acid HybridizationMice, Inbred C57BLApoptosisRabbits