title: Tryptophan pyrrolase--a biochemical factor in depressive illness?
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism; D002415:Cats; D003863:Depression / Q000201:enzymology* / Q000209:etiology; D005260:Female; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000096:biosynthesis; D007737:Kynurenine / Q000096:biosynthesis; D008297:Male; D010913:Pituitary-Adrenal System; D051381:Rats; D012701:Serotonin / Q000096:biosynthesis / Q000378:metabolism; D014364:Tryptophan / Q000378:metabolism; D014366:Tryptophan Oxygenase / Q000378:metabolism*
chemical_list: D012701:Serotonin; D007737:Kynurenine; D006897:Hydroxyindoleacetic Acid; D014364:Tryptophan; D014366:Tryptophan Oxygenase