title: Histidine urocanic acid and histidine alpha-deaminase in the stratum corneum in pellagrins.
mesh_terms: D000328:Adult; D006639:Histidine / Q000378:metabolism*; D006801:Humans; D007093:Imidazoles / Q000378:metabolism*; D008190:Lyases / Q000378:metabolism*; D009536:Niacinamide / Q000627:therapeutic use; D009539:Nicotinic Acids / Q000627:therapeutic use; D010383:Pellagra / Q000188:drug therapy / Q000201:enzymology / Q000378:metabolism*; D010787:Photosensitivity Disorders / Q000209:etiology*; D012867:Skin / Q000201:enzymology / Q000378:metabolism*
chemical_list: D007093:Imidazoles; D009539:Nicotinic Acids; D009536:Niacinamide; D006639:Histidine; D008190:Lyases