2001
Cl−-dependent secretory mechanisms in isolated rat bile duct epithelial units
Singh S, Mennone A, Gigliozzi A, Fraioli F, Boyer J. Cl−-dependent secretory mechanisms in isolated rat bile duct epithelial units. AJP Gastrointestinal And Liver Physiology 2001, 281: g438-g446. PMID: 11447024, DOI: 10.1152/ajpgi.2001.281.2.g438.Peer-Reviewed Original ResearchMeSH KeywordsAmmonium ChlorideAnimalsBariumBicarbonatesBile Ducts, IntrahepaticBumetanideCarbon DioxideCarrier ProteinsCell PolarityCells, CulturedChloridesColforsinEpithelial CellsHydrogen-Ion ConcentrationIon TransportMaleModels, BiologicalRatsRats, Sprague-DawleySodiumSodium-Potassium-Chloride SymportersConceptsCO2/HCOFluid secretionCotransport activityIntrahepatic bile duct epitheliumBile duct epitheliumDependent fluid secretionHigh intracellular Cl(-) concentrationIntracellular Cl- concentrationBile duct unitsApical Cl(-) secretionNH entryInitial acidification rateIntracellular cAMP concentrationNH4Cl exposureDuct epitheliumInhibitor bumetanideChannel inhibitorsCl(-) secretionCanalicular bileDuct unitsSecretionDependent secretionSecretory mechanismBumetanideForskolinIsolation of functional polarized bile duct units from mouse liver
Cho W, Mennone A, Boyer J. Isolation of functional polarized bile duct units from mouse liver. AJP Gastrointestinal And Liver Physiology 2001, 280: g241-g246. PMID: 11208546, DOI: 10.1152/ajpgi.2001.280.2.g241.Peer-Reviewed Original ResearchConceptsVasoactive intestinal peptideBile duct epitheliumMurine animal modelBile duct unitsPortal perfusionIntestinal peptideSecretory responseAnimal modelsBlunt dissectionDuct epitheliumSecretory stimuliFluid secretionDuct unitsCholangiocyte secretionFurther enzymatic digestionMouse liverSecretionMurine animalsIBDUMice
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 activityActivity
1997
Bombesin stimulates bicarbonate secretion from rat cholangiocytes: Implications for neural regulation of bile secretion
Cho W, Mennone A, Rydberg, Boyer J. Bombesin stimulates bicarbonate secretion from rat cholangiocytes: Implications for neural regulation of bile secretion. Gastroenterology 1997, 113: 311-321. PMID: 9207292, DOI: 10.1016/s0016-5085(97)70109-4.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBicarbonatesBileBile Ducts, IntrahepaticBombesinLiverMaleNeuropeptidesPerfusionRatsRats, Sprague-DawleyConceptsBile secretionBicarbonate secretionRat liverBile duct-ligated ratsRole of bombesinHepatocyte coupletsEffect of bombesinDose-dependent increaseDuct-ligated ratsBile duct unitsCanalicular bile secretionBile pHSite of actionBile flowSubstance PReceptor inhibitorsNeural regulationAbstractTextBombesinBiliary transportDuct unitsSecretionLiverLuminal pHRat cholangiocytes
1990
Taurocholate stimulates transcytotic vesicular pathways labeled by horseradish peroxidase in the isolated perfused rat liver
Hayakawa T, Cheng O, Ma A, Boyer J. Taurocholate stimulates transcytotic vesicular pathways labeled by horseradish peroxidase in the isolated perfused rat liver. Gastroenterology 1990, 99: 216-228. PMID: 2344927, DOI: 10.1016/0016-5085(90)91251-z.Peer-Reviewed Original Research
1989
Quantitative assessment of canalicular bile formation in isolated hepatocyte couplets using microscopic optical planimetry.
Gautam A, Ng O, Strazzabosco M, Boyer J. Quantitative assessment of canalicular bile formation in isolated hepatocyte couplets using microscopic optical planimetry. Journal Of Clinical Investigation 1989, 83: 565-573. PMID: 2913052, PMCID: PMC303716, DOI: 10.1172/jci113919.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBileBile CanaliculiBile Ducts, IntrahepaticLiverMicroscopy, ElectronRatsRats, Inbred StrainsTaurocholic AcidUrsodeoxycholic AcidConceptsIsolated rat hepatocyte couplets
1987
Isolated rat hepatocyte couplets in short‐term culture: Structural characteristics and plasma membrane reorganization
Gautam A, Ng O, Boyer J. Isolated rat hepatocyte couplets in short‐term culture: Structural characteristics and plasma membrane reorganization. Hepatology 1987, 7: 216-223. PMID: 3557300, DOI: 10.1002/hep.1840070203.Peer-Reviewed Original Research
1984
Isolated rat hepatocyte couplets: a primary secretory unit for electrophysiologic studies of bile secretory function.
Graf J, Gautam A, Boyer J. Isolated rat hepatocyte couplets: a primary secretory unit for electrophysiologic studies of bile secretory function. Proceedings Of The National Academy Of Sciences Of The United States Of America 1984, 81: 6516-6520. PMID: 6149546, PMCID: PMC391955, DOI: 10.1073/pnas.81.20.6516.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphatasesAnimalsBileBile CanaliculiBile Ducts, IntrahepaticCa(2+) Mg(2+)-ATPaseCells, CulturedElectric ConductivityLiverMembrane PotentialsRatsConceptsBile secretory functionElectrophysiologic studySecretory functionHepatocyte coupletsOrganic anion fluoresceinSteady-state intracellularCanalicular lumenCanalicular vacuoleInput resistanceRat liverCollagenase perfusionIntact liverLiverSecretionParacellular barrierBile canalicular lumenSecretory unitsLumenCellsJunctional pathwayElectrical driving forcePerfusion
1979
The paracellular pathway and bile formation.
Boyer J, Elias E, Layden T. The paracellular pathway and bile formation. The Yale Journal Of Biology And Medicine 1979, 52: 61-7. PMID: 452623, PMCID: PMC2595701.Peer-Reviewed Original Research
1977
Effects of chronic choleretic infusions of bile acids on the membrane of the bile canaliculus. A biochemical and morphologic study.
Nemchausky B, Layden T, Boyer J. Effects of chronic choleretic infusions of bile acids on the membrane of the bile canaliculus. A biochemical and morphologic study. Laboratory Investigation 1977, 36: 259-67. PMID: 138767.Peer-Reviewed Original Research
1975
Scanning Electron Microscopy of the Rat Liver Studies of the effect of taurolithocholate and other models of cholestasis
Layden T, Schwarz J, Boyer J. Scanning Electron Microscopy of the Rat Liver Studies of the effect of taurolithocholate and other models of cholestasis. Gastroenterology 1975, 69: 724-738. PMID: 1158090, DOI: 10.1016/s0016-5085(19)32475-8.Peer-Reviewed Original ResearchConceptsModel of cholestasisBile duct ligationEstradiol treatmentDuct ligationEffect of cholestasisEffect of taurolithocholateTLC-induced cholestasisDirect toxic effectBile canaliculiLithocholate sulfateRat liver studiesCanalicular membraneLoss of microvilliNormal findingsFinger fracturesPortal veinDistinctive abnormalitiesSimultaneous infusionCholestasisSodium taurolithocholateSevere abnormalitiesSodium taurocholateInfusionTaurolithocholateLiver studies