title: Properties of the canalicular bile acid transport system in rat liver.
abstract: 4,4-Di-isothiocyanostilbene-2,2'-disulphonic acid inhibition of taurocholate efflux from canalicular vesicles was used to demonstrate that potential driven and 'carrier'-mediated canalicular excretion of taurocholate occur via a common, rather than two separate, pathways. This electrogenic canalicular bile acid 'carrier' preferentially transports trihydroxylated and conjugated dihydroxylated bile acids, but not the unphysiological oxo bile acids, and possibly extends its substrate specificity to other amphipathic molecules such as sulphobromophthalein.
mesh_terms: D017878:4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid; D012856:4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid / Q000031:analogs & derivatives / Q000494:pharmacology; D000818:Animals; D001647:Bile Acids and Salts / Q000378:metabolism*; D001692:Biological Transport / Q000187:drug effects; D002462:Cell Membrane / Q000187:drug effects / Q000378:metabolism; D008099:Liver / Q000187:drug effects / Q000378:metabolism*; D008297:Male; D051381:Rats; D011919:Rats, Inbred Strains; D013329:Structure-Activity Relationship; D013656:Taurocholic Acid / Q000378:metabolism
chemical_list: D001647:Bile Acids and Salts; D012856:4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid; D013656:Taurocholic Acid; D017878:4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid