title: Enhancement of tryptophan uptake by divalent cations in the absence of sodium ions.
mesh_terms: D000818:Animals; D001665:Binding Sites; D001921:Brain / Q000187:drug effects* / Q000378:metabolism; D002118:Calcium / Q000494:pharmacology; D002413:Cations, Divalent / Q000494:pharmacology*; D003300:Copper / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D007501:Iron / Q000494:pharmacology; D008274:Magnesium / Q000494:pharmacology; D008297:Male; D008345:Manganese / Q000494:pharmacology; D051381:Rats; D012964:Sodium / Q000494:pharmacology*; D013574:Synaptosomes / Q000187:drug effects / Q000378:metabolism; D014364:Tryptophan / Q000378:metabolism*; D015032:Zinc / Q000494:pharmacology
chemical_list: D002413:Cations, Divalent; D008345:Manganese; D003300:Copper; D014364:Tryptophan; D012964:Sodium; D007501:Iron; D008274:Magnesium; D015032:Zinc; D002118:Calcium