Trichothiodystrophy SyndromesLoose Anagen Hair SyndromeHair DiseasesXeroderma PigmentosumHairXeroderma Pigmentosum Group D ProteinSulfurSyndromeMenkes Kinky Hair SyndromeTranscription Factor TFIIHPhotosensitivity DisordersIchthyosisCockayne SyndromeDNA RepairAging, PrematureUltraviolet RaysDNA HelicasesEchinodermataSulfur CompoundsHair FolliclePyrimidine DimersTranscription Factors, TFIIDown SyndromeHair Cells, AuditoryMetabolic Syndrome XMutationDNA-Binding ProteinsProteinsTranscription FactorsSulfur DioxideDiabetic KetoacidosisSulfur IsotopesDNA Repair EnzymesKearns-Sayre SyndromeDwarfism