title: Antidepressant action of tryptophan.
mesh_terms: D000818:Animals; D000928:Antidepressive Agents; D001921:Brain / Q000187:drug effects / Q000378:metabolism; D003863:Depression / Q000188:drug therapy*; D004336:Drug Antagonism; D006801:Humans; D009539:Nicotinic Acids / Q000494:pharmacology; D051381:Rats; D012701:Serotonin / Q000378:metabolism; D014364:Tryptophan / Q000008:administration & dosage / Q000009:adverse effects / Q000378:metabolism / Q000494:pharmacology* / Q000627:therapeutic use; D014366:Tryptophan Oxygenase / Q000378:metabolism
chemical_list: D000928:Antidepressive Agents; D009539:Nicotinic Acids; D012701:Serotonin; D014364:Tryptophan; D014366:Tryptophan Oxygenase