2016
CFTR-associated ligand is a negative regulator of Mrp2 expression
Li M, Soroka CJ, Harry K, Boyer JL. CFTR-associated ligand is a negative regulator of Mrp2 expression. American Journal Of Physiology - Cell Physiology 2016, 312: c40-c46. PMID: 27834195, PMCID: PMC5283898, DOI: 10.1152/ajpcell.00100.2016.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsCarrier ProteinsCells, CulturedChlorocebus aethiopsCOS CellsDown-RegulationGene Expression RegulationGolgi Matrix ProteinsHepatocytesHumansMaleMembrane ProteinsMembrane Transport ProteinsMiceMultidrug Resistance-Associated Protein 2Multidrug Resistance-Associated ProteinsRatsRats, Sprague-DawleySignal TransductionConceptsPull-down assaysGST pull-down assaysCOOH-terminal PDZNegative regulatorCotransfected COS-7 cellsGlutathione S-transferase fusion proteinS-transferase fusion proteinATP-binding cassette (ABC) transportersTrans-Golgi networkCystic fibrosis transmembrane conductance regulatorProtein-protein interactionsExchanger regulatory factor 1Fibrosis transmembrane conductance regulatorStreptavidin pull-down assaysTransmembrane conductance regulatorCOS-7 cellsRegulatory factor 1PDZ domainCell surface expressionPosttranscriptional regulationTransmembrane proteinPlasma membraneLLC-PK1 cellsCassette transportersCOS-7
2015
Canalicular membrane MRP2/ABCC2 internalization is determined by Ezrin Thr567 phosphorylation in human obstructive cholestasis
Chai J, Cai SY, Liu X, Lian W, Chen S, Zhang L, Feng X, Cheng Y, He X, He Y, Chen L, Wang R, Wang H, Boyer JL, Chen W. Canalicular membrane MRP2/ABCC2 internalization is determined by Ezrin Thr567 phosphorylation in human obstructive cholestasis. Journal Of Hepatology 2015, 63: 1440-1448. PMID: 26212029, PMCID: PMC4686151, DOI: 10.1016/j.jhep.2015.07.016.Peer-Reviewed Original ResearchMeSH KeywordsAdultBile CanaliculiCase-Control StudiesCholestasisCytoskeletal ProteinsFemaleGallstonesGene Knockdown TechniquesHep G2 CellsHumansLiverMaleMembrane ProteinsMiddle AgedModels, BiologicalMultidrug Resistance-Associated Protein 2Multidrug Resistance-Associated ProteinsPhosphorylationProtein Kinase CReceptors, Autocrine Motility FactorRNA, MessengerThreonineConceptsObstructive cholestasisCholestatic liverMRP2 expressionMrp2 internalizationHepG2 cellsHuman obstructive cholestasisMRP2 protein expressionMembrane expressionHepatic MRP2 expressionNon-cholestatic controlsExpression of PKCαTotal protein levelsBile ductCholestatic patientsCholestasisBile acidsPatientsAbstractTextHuman liverProtein expressionProtein levelsLiverMRP2JaundiceAIMS
2000
Expression of the bile salt export pump is maintained after chronic cholestasis in the rat
Lee J, Trauner M, Soroka C, Stieger B, Meier P, Boyer J. Expression of the bile salt export pump is maintained after chronic cholestasis in the rat. Gastroenterology 2000, 118: 163-172. PMID: 10611165, DOI: 10.1016/s0016-5085(00)70425-2.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsATP Binding Cassette Transporter, Subfamily B, Member 1ATP Binding Cassette Transporter, Subfamily B, Member 11ATP-Binding Cassette TransportersBile Acids and SaltsBile DuctsCarrier ProteinsCholestasisChronic DiseaseDrug Resistance, MultipleEthinyl EstradiolLigationLipopolysaccharidesMembrane ProteinsMultidrug Resistance-Associated ProteinsOrganic Anion Transporters, Sodium-DependentRatsRats, Sprague-DawleyRNA, MessengerSymporters
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
1992
Anion channels in rat liver canalicular plasma membranes reconstituted into planar lipid bilayers
Sellinger M, Weinman S, Henderson R, Zweifach A, Boyer J, Graf J. Anion channels in rat liver canalicular plasma membranes reconstituted into planar lipid bilayers. American Journal Of Physiology 1992, 262: g1027-g1032. PMID: 1377450, DOI: 10.1152/ajpgi.1992.262.6.g1027.Peer-Reviewed Original Research
1989
Hepatic immunohistochemical localization of the tight junction protein ZO-1 in rat models of cholestasis.
Anderson J, Glade J, Stevenson B, Boyer J, Mooseker M. Hepatic immunohistochemical localization of the tight junction protein ZO-1 in rat models of cholestasis. American Journal Of Pathology 1989, 134: 1055-62. PMID: 2719075, PMCID: PMC1879891.Peer-Reviewed Original ResearchConceptsZO-1 proteinZO-1Tight junctionsConsecutive daily subcutaneous injectionsFrozen sectionsReflux of bileDaily subcutaneous injectionsBile duct obstructionCommon bile ductMale Sprague-DawleyHepatocyte tight junctionsBile duct ligation resultsTight junction protein ZO-1Cholestatic modelsDuct obstructionBile ductSubcutaneous injectionCholestatic liverRat modelEthinyl estradiolSprague-DawleyProtein ZO-1Immunoperoxidase stainingZO-1 stainingImmunohistochemical localization
1987
Identification of a single sinusoidal bile salt uptake system in skate liver
Fricker G, Hugentobler G, Meier P, Kurz G, Boyer J. Identification of a single sinusoidal bile salt uptake system in skate liver. American Journal Of Physiology 1987, 253: g816-g822. PMID: 3425718, DOI: 10.1152/ajpgi.1987.253.6.g816.Peer-Reviewed Original ResearchConceptsBile salt uptakeSkate liverAlpha-dihydroxy-5 betaBile salt derivativesAzo-3 alphaBile acid uptakeConcentration-dependent mannerPredominant bile saltHepatic uptakePhotolabile bile salt derivativeIndependent transport mechanismsAcid uptakeLiverApparent molecular weightBile saltsRat liverTaurocholate uptakeSkate hepatocytesAnion transport inhibitorUptake systemHepatocytesPhotoaffinity labelingTaurocholateDisulfonic acidIrreversible inhibition
1984
Structural and functional polarity of canalicular and basolateral plasma membrane vesicles isolated in high yield from rat liver.
Meier P, Sztul E, Reuben A, Boyer J. Structural and functional polarity of canalicular and basolateral plasma membrane vesicles isolated in high yield from rat liver. Journal Of Cell Biology 1984, 98: 991-1000. PMID: 6699096, PMCID: PMC2113129, DOI: 10.1083/jcb.98.3.991.Peer-Reviewed Original Research