1999
Characterization of ion transport mechanisms involved in bombesin-stimulated biliary secretion in rat cholangiocytes
Cho W, Boyer J. Characterization of ion transport mechanisms involved in bombesin-stimulated biliary secretion in rat cholangiocytes. Journal Of Hepatology 1999, 30: 1045-1051. PMID: 10406182, DOI: 10.1016/s0168-8278(99)80258-x.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAcetazolamideAnimalsBarium CompoundsBileBile DuctsBombesinCarbonic Anhydrase InhibitorsChloride ChannelsChloridesIn Vitro TechniquesIon TransportMaleMicroscopy, VideoNitrobenzoatesPotassium ChannelsRatsRats, Sprague-DawleyTetraethylammonium
1998
Nitric oxide and guanosine 3′,5′‐cyclic monophosphate stimulate bile secretion in isolated rat hepatocyte couplets, but not in isolated bile duct units
Trauner M, Mennone A, Gigliozzi A, Fraioli F, Boyer J. Nitric oxide and guanosine 3′,5′‐cyclic monophosphate stimulate bile secretion in isolated rat hepatocyte couplets, but not in isolated bile duct units. Hepatology 1998, 28: 1621-1628. PMID: 9828227, DOI: 10.1002/hep.510280623.Peer-Reviewed Original ResearchConceptsDuctular bile secretionBile secretionBile duct unitsNitric oxideRat hepatocyte coupletsExchanger activityNO synthesisCl-/HCO3Bile acid-independent bile flowCell-permeant cGMP analogDuct unitsEndogenous NO synthesisHepatocyte coupletsEffect of NOCell-permeant cAMP analogsLevel of hepatocytesCyclic monophosphateHepatic NO synthesisRemoval of HCO3Canalicular bile secretionNG-monomethylBile flowCholeretic effectDuctular luminaL-arginine
1994
Regulation of activity and apical targeting of the Cl-/HCO3- exchanger in rat hepatocytes.
Benedetti A, Strazzabosco M, Ng O, Boyer J. Regulation of activity and apical targeting of the Cl-/HCO3- exchanger in rat hepatocytes. Proceedings Of The National Academy Of Sciences Of The United States Of America 1994, 91: 792-796. PMID: 8290601, PMCID: PMC43035, DOI: 10.1073/pnas.91.2.792.Peer-Reviewed Original ResearchConceptsApical targetingExchange activityRegulation of activityMembrane localizationCl-/HCO3Dibutyryl cAMPProtein kinase C agonistsRat hepatocytesProtein kinase C agonist phorbolEcto-ATPaseConfocal microscopyCanalicular domainC agonistsProteinVesiclesTargetingCanalicular localizationLocalizationCAMPHepatocyte coupletsHepatocytesActivityRegulationPhorbolColchicine
1993
Effect of secretion on intracellular pH regulation in isolated rat bile duct epithelial cells.
Alvaro D, Cho W, Mennone A, Boyer J. Effect of secretion on intracellular pH regulation in isolated rat bile duct epithelial cells. Journal Of Clinical Investigation 1993, 92: 1314-1325. PMID: 8397224, PMCID: PMC288273, DOI: 10.1172/jci116705.Peer-Reviewed Original ResearchConceptsBile duct epithelial cellsDuct epithelial cellsCl-/HCO3Cell depolarizationEpithelial cellsEffect of secretinCl- channel blockerEffects of secretionsCl removalCl- channel activationRat bile duct epithelial cellsKRB mediumMaximal rateRegulation of intracellularBicarbonate secretionNormal rat liverIntracellular pH regulationMM DIDSHCO3- excretionAcid loadBDE cellsSecretinMicrofluorimetric methodRat liverHCO3- influx
1989
Bicarbonate-dependent and -independent intracellular pH regulatory mechanisms in rat hepatocytes. Evidence for Na+-HCO3- cotransport.
Gleeson D, Smith N, Boyer J. Bicarbonate-dependent and -independent intracellular pH regulatory mechanisms in rat hepatocytes. Evidence for Na+-HCO3- cotransport. Journal Of Clinical Investigation 1989, 84: 312-321. PMID: 2544626, PMCID: PMC303984, DOI: 10.1172/jci114156.Peer-Reviewed Original ResearchConceptsDisulfonic acid stilbeneHCO3- cotransportIntracellular acid loadHCO3- thanIntracellular pH regulatory mechanismsPH regulatory mechanismsBaseline pHiMonolayer cell culture systemRat hepatocytesAcid loadIntracellular ClCl-/HCO3AmilorideCell culture systemAnion transport inhibitorAbsence of bicarbonateHCO3- transportImportant regulatorHepatocytesPH-sensitive dyeCarboxy-fluoresceinTransport inhibitorsCulture systemRegulatory mechanismsPhi