1998
Intracellular pH regulation in bombesin-stimulated secretion in isolated bile duct units from rat liver
Cho W, Mennone A, Boyer J. Intracellular pH regulation in bombesin-stimulated secretion in isolated bile duct units from rat liver. American Journal Of Physiology 1998, 275: g1028-g1036. PMID: 9815033, DOI: 10.1152/ajpgi.1998.275.5.g1028.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntiportersBicarbonatesBile Ducts, IntrahepaticBombesinCarrier ProteinsChloride-Bicarbonate AntiportersChloridesFluoresceinsFluorescent DyesHEPESHydrogen-Ion ConcentrationIn Vitro TechniquesMaleModels, BiologicalRatsRats, Sprague-DawleySodiumSodium-Bicarbonate SymportersSodium-Hydrogen ExchangersConceptsHCO-3 secretionBile duct unitsDuct unitsAcid-extruding mechanismsEffect of bombesinRat liverCl-/HCOBombesin-stimulated secretionRegulation of intracellularBiliary secretionNormal rat liverBombesinCholangiocytesSecretionUnderlying mechanismLiverBasalPH regulationCounterregulatoryNeuropeptidesExchange activityActivityCyclic AMP stimulates sorting of the canalicular organic anion transporter (Mrp2/cMoat) to the apical domain in hepatocyte couplets
Roelofsen H, Soroka C, Keppler D, Boyer J. Cyclic AMP stimulates sorting of the canalicular organic anion transporter (Mrp2/cMoat) to the apical domain in hepatocyte couplets. Journal Of Cell Science 1998, 111: 1137-1145. PMID: 9512509, DOI: 10.1242/jcs.111.8.1137.Peer-Reviewed Original ResearchConceptsTransport proteinsApical membraneApical domainTransporter-containing vesiclesMultidrug resistance protein 2Protein 2Cell-cell contactMicrotubule-dependent fashionBasolateral plasma membraneApical proteinsEffect of cAMPVesicle trafficAnion transportersSecretory polarityOrganic anion transportersPlasma membraneCanalicular membraneAnion transport capacityTransport activityApical excretionApical poleCanalicular organic anion transportMultispecific organic anion transporterAmphiphilic organic anionsTransport function
1995
Isolation of small polarized bile duct units.
Mennone A, Alvaro D, Cho W, Boyer J. Isolation of small polarized bile duct units. Proceedings Of The National Academy Of Sciences Of The United States Of America 1995, 92: 6527-6531. PMID: 7541542, PMCID: PMC41551, DOI: 10.1073/pnas.92.14.6527.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-3-isobutylxanthine4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAnimalsBicarbonatesBile DuctsBucladesineChloridesCholestasisColforsinFluoresceinsGluconatesHydrogen-Ion ConcentrationKineticsLiverMaleMicroscopy, ElectronMicroscopy, VideoRatsRats, Sprague-DawleySecretinTime FactorsConceptsBile duct unitsInterlobular bile ductsBile ductDuct unitsSmall interlobular bile ductsBile duct syndromeBile duct segmentsCholestatic liver disordersCl-/HCO3- exchange activityRat liverLiver disordersPrimary siteForskolin administrationMicroM forskolinDextran 40Duct segmentsDibutyryl cAMPUseful preparationLiverSecretionForskolinImaging techniquesDuctLuminal spaceSyndrome
1991
Effect of UDCA on intracellular and biliary pH in isolated rat hepatocyte couplets and perfused livers
Strazzabosco M, Sakisaka S, Hayakawa T, Boyer J. Effect of UDCA on intracellular and biliary pH in isolated rat hepatocyte couplets and perfused livers. American Journal Of Physiology 1991, 260: g58-g69. PMID: 1987808, DOI: 10.1152/ajpgi.1991.260.1.g58.Peer-Reviewed Original ResearchConceptsBiliary HCO3- concentrationUrsodeoxycholic acidRat hepatocyte coupletsBiliary pHAcid loadEffect of UDCABile duct lumenHepatocyte coupletsIsolated rat hepatocyte coupletsBiliary epitheliumHCO3- concentrationDuct lumenRemoval of ClHCO3- exchangeRat liverLiverIPRLHepatocytesHypercholeresisPerfusateBileExcretionEpitheliumAmiloride