2001
Cellular localization and up‐regulation of multidrug resistance–associated protein 3 in hepatocytes and cholangiocytes during obstructive cholestasis in rat liver
Soroka C, Lee J, Azzaroli F, Boyer J. Cellular localization and up‐regulation of multidrug resistance–associated protein 3 in hepatocytes and cholangiocytes during obstructive cholestasis in rat liver. Hepatology 2001, 33: 783-791. PMID: 11283840, DOI: 10.1053/jhep.2001.23501.Peer-Reviewed Original ResearchConceptsObstructive cholestasisMultidrug resistance-associated protein 3Bile duct-ligated animalsMultidrug resistanceToxic bile acidsModel of cholestasisDuct-ligated animalsExpression of MRP3Intensity of stainingHepatocytes of liverWestern blot analysisBile ductHepatic expressionCentral veinCholestasisMRP3 expressionNormal liverBile acidsPericentral regionsIndirect immunofluorescenceProtein 3Days postligationMRP3Mrp2 proteinLiver
2000
Molecular identification and functional characterization of Mdr1a in rat cholangiocytes
Gigliozzi A, Fraioli F, Sundaram P, Lee J, Mennone A, Alvaro D, Boyer J. Molecular identification and functional characterization of Mdr1a in rat cholangiocytes. Gastroenterology 2000, 119: 1113-1122. PMID: 11040198, DOI: 10.1053/gast.2000.18156.Peer-Reviewed Original ResearchMeSH KeywordsAcridinesAnimalsATP Binding Cassette Transporter, Subfamily BATP Binding Cassette Transporter, Subfamily B, Member 1ATP-Binding Cassette TransportersBile DuctsCell DivisionCell MembraneCytosolDrug Resistance, MultipleIn Vitro TechniquesIsoquinolinesKineticsMaleMicroscopy, ConfocalRatsRats, Sprague-DawleyReverse Transcriptase Polymerase Chain ReactionRhodamine 123RNA, MessengerTetrahydroisoquinolinesTranscription, GeneticVanadatesVerapamilConceptsCholangiocyte cell linePlasma membrane proteinsRat cholangiocyte cell lineCell linesCytosolic domainMembrane proteinsRhodamine 123Functional characterizationGene productsRNA transcriptsMolecular identificationMembrane subfractionsPair fragmentWestern blot analysisWestern analysisApical membraneFunctional assaysFunctional evidenceBlot analysisConfocal microscopyP-glycoprotein inhibitor verapamilRat cholangiocytesLipophilic xenobioticsReverse transcription-polymerase chain reactionDose-dependent mannerBile salt excretion in skate liver is mediated by a functional analog of Bsep/Spgp, the bile salt export pump
Ballatori N, Rebbeor J, Connolly G, Seward D, Lenth B, Henson J, Sundaram P, Boyer J. Bile salt excretion in skate liver is mediated by a functional analog of Bsep/Spgp, the bile salt export pump. AJP Gastrointestinal And Liver Physiology 2000, 278: g57-g63. PMID: 10644562, DOI: 10.1152/ajpgi.2000.278.1.g57.Peer-Reviewed Original ResearchConceptsTransport activityPlasma membrane vesiclesApparent molecular massVertebrate evolutionATP-dependent componentMultidrug resistance protein 1Similar transport activityFunctional characterizationPlasma membraneApical localizationCanalicular membraneResistance protein 1Liver plasma membrane vesiclesATP-dependent uptakeSkate liverMembrane vesiclesWestern blot analysisDominant protein bandsMammalian liverMolecular massLittle skateFunctional analogueProtein 1Raja erinaceaCanalicular multidrug resistance
1997
Extrahepatic biliary obstruction impairs microvascular perfusion and increases leukocyte adhesion in rat liver
Koeppel T, Trauner M, Baas J, Thies J, Schlosser S, Post S, Gebhard M, Herfarth C, Boyer J, Otto G. Extrahepatic biliary obstruction impairs microvascular perfusion and increases leukocyte adhesion in rat liver. Hepatology 1997, 26: 1085-1091. PMID: 9362346, DOI: 10.1002/hep.510260501.Peer-Reviewed Original ResearchConceptsBile duct ligationIntravital fluorescence microscopyHepatic microvascular perfusionAcute biliary obstructionMicrovascular perfusionLeukocyte adhesionBiliary obstructionIntercellular adhesion molecule-1 protein expressionLeukocyte-endothelial cell interactionsMale Wistar ratsHydrogen gas clearanceICAM-1 expressionSham-operated controlsRat liverWestern blot analysisSinusoidal perfusionNeutrophil infiltrationLiver injuryHepatic microcirculationLiver damageLiver microcirculationTissue immunofluorescenceDuct ligationWistar ratsMarked impairment
1994
Characterization of cloned rat liver Na(+)-bile acid cotransporter using peptide and fusion protein antibodies
Ananthanarayanan M, Ng O, Boyer J, Suchy F. Characterization of cloned rat liver Na(+)-bile acid cotransporter using peptide and fusion protein antibodies. American Journal Of Physiology 1994, 267: g637-g643. PMID: 7943329, DOI: 10.1152/ajpgi.1994.267.4.g637.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodiesBase SequenceBlotting, WesternCarrier ProteinsCloning, MolecularFluorescent Antibody TechniqueHumansImmune SeraImmunoblottingLiverMaleMolecular ProbesMolecular Sequence DataOrganic Anion Transporters, Sodium-DependentPeptide FragmentsRatsRats, Sprague-DawleyRecombinant Fusion ProteinsSymporters