Evidence for the existence of separate transport mechanisms for choline and betaine in rat kidney.
D000818:Animals; D001622:Betaine / Q000378:metabolism*; D001692:Biological Transport / Q000187:drug effects; D001693:Biological Transport, Active; D002247:Carbon Isotopes; D002794:Choline / Q000378:metabolism*; D002852:Chromatography, Ion Exchange; D003864:Depression, Chemical; D007668:Kidney / Q000378:metabolism*; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology; D051381:Rats; D012964:Sodium; D013831:Thiamine / Q000494:pharmacology
D002247:Carbon Isotopes; D000644:Quaternary Ammonium Compounds; D001622:Betaine; D012964:Sodium; D002794:Choline; D013831:Thiamine