title: Serum tryptophan decreased, brain tryptophan increased and brain serotonin synthesis unchanged after probenecid loading.
mesh_terms: D000818:Animals; D001921:Brain / Q000187:drug effects / Q000378:metabolism*; D001923:Brain Chemistry; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000134:cerebrospinal fluid; D008297:Male; D011339:Probenecid / Q000494:pharmacology*; D051381:Rats; D012701:Serotonin / Q000378:metabolism*; D014364:Tryptophan / Q000097:blood / Q000378:metabolism*
chemical_list: D012701:Serotonin; D006897:Hydroxyindoleacetic Acid; D014364:Tryptophan; D011339:Probenecid