title: Identification of an error in the tryptophan--niacin pathway in carriers of some dermatoses conditioned or aggravated by sunlight.
mesh_terms: D000328:Adult; D000368:Aged; D000818:Animals; D001284:Atrophy / Q000378:metabolism; D002386:Cataract / Q000378:metabolism; D005260:Female; D005750:Gastric Juice / Q000201:enzymology; D006801:Humans; D006867:Hydrolases / Q000378:metabolism*; D007737:Kynurenine / Q000378:metabolism; D008027:Light / Q000009:adverse effects; D008179:Lupus Erythematosus, Discoid / Q000201:enzymology; D008297:Male; D008875:Middle Aged; D009539:Nicotinic Acids / Q000096:biosynthesis*; D010383:Pellagra / Q000201:enzymology; D010859:Pigmentation Disorders / Q000201:enzymology; D011164:Porphyrias / Q000201:enzymology; D051381:Rats; D011038:Rothmund-Thomson Syndrome / Q000201:enzymology; D012867:Skin / Q000528:radiation effects; D012871:Skin Diseases / Q000151:congenital / Q000201:enzymology* / Q000209:etiology / Q000378:metabolism; D013472:Sunlight; D000637:Transaminases / Q000378:metabolism; D014364:Tryptophan / Q000378:metabolism* / Q000494:pharmacology; D014581:Urticaria / Q000201:enzymology
chemical_list: D009539:Nicotinic Acids; D007737:Kynurenine; D014364:Tryptophan; D000637:Transaminases; D006867:Hydrolases