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-7A Novel Di-Leucine Motif at the N-Terminus of Human Organic Solute Transporter Beta Is Essential for Protein Association and Membrane Localization
Xu S, Soroka CJ, Sun AQ, Backos DS, Mennone A, Suchy FJ, Boyer JL. A Novel Di-Leucine Motif at the N-Terminus of Human Organic Solute Transporter Beta Is Essential for Protein Association and Membrane Localization. PLOS ONE 2016, 11: e0158269. PMID: 27351185, PMCID: PMC4924846, DOI: 10.1371/journal.pone.0158269.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsCell MembraneHEK293 CellsHumansHydrophobic and Hydrophilic InteractionsMembrane Transport ProteinsMutationProtein BindingProtein DomainsProtein TransportConceptsMembrane localizationAlpha subunitBeta subunitDileucine motifPlasma membrane localizationDi-leucine motifExtracellular N-terminal regionCo-immunoprecipitation studiesBasolateral membrane localizationN-terminal regionSite-directed mutagenesisAA mutantProtein associationBeta mutantsN-terminusMultiple speciesPhysical associationMembrane biotinylationHEK293 cellsSubunitsAA mutationsMembrane expressionAlpha/betaMutantsMotif
2013
Bile Formation and Secretion
Boyer JL. Bile Formation and Secretion. 2013, 3: 1035-1078. PMID: 23897680, PMCID: PMC4091928, DOI: 10.1002/cphy.c120027.Peer-Reviewed Original Research
2011
Ostα depletion protects liver from oral bile acid load
Soroka CJ, Velazquez H, Mennone A, Ballatori N, Boyer JL. Ostα depletion protects liver from oral bile acid load. AJP Gastrointestinal And Liver Physiology 2011, 301: g574-g579. PMID: 21719738, PMCID: PMC3174539, DOI: 10.1152/ajpgi.00141.2011.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBile Acids and SaltsCholic AcidFecesIntestinal MucosaKidneyLiverMaleMembrane Transport ProteinsMiceOrganic Anion Transporters, Sodium-DependentSymportersConceptsExcess bile acidsCholic acid feedingWild-type miceBile acid overloadBile acidsLiver injuryAcid overloadLower serum ALT levelsIntestinal bile acid absorptionAcid feedingBile acid loadSerum ALT levelsBile acid absorptionBile acid lossBile duct ligationEffective therapeutic targetBile acid homeostasisWild-type controlsALT levelsUrinary eliminationIntestinal lossObstructive cholestasisIntestinal functionDuct ligationUrinary clearance
2001
Expression cloning of two genes that together mediate organic solute and steroid transport in the liver of a marine vertebrate
Wang W, Seward D, Li L, Boyer J, Ballatori N. Expression cloning of two genes that together mediate organic solute and steroid transport in the liver of a marine vertebrate. Proceedings Of The National Academy Of Sciences Of The United States Of America 2001, 98: 9431-9436. PMID: 11470901, PMCID: PMC55438, DOI: 10.1073/pnas.161099898.Peer-Reviewed Original Research
1998
Endotoxin downregulates rat hepatic ntcp gene expression via decreased activity of critical transcription factors.
Trauner M, Arrese M, Lee H, Boyer J, Karpen S. Endotoxin downregulates rat hepatic ntcp gene expression via decreased activity of critical transcription factors. Journal Of Clinical Investigation 1998, 101: 2092-2100. PMID: 9593765, PMCID: PMC508797, DOI: 10.1172/jci1680.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBile Acids and SaltsCarrier ProteinsCells, CulturedCholestasisDNA-Binding ProteinsDown-RegulationEndotoxinsGene Expression RegulationHepatocyte Nuclear Factor 1Hepatocyte Nuclear Factor 1-alphaHepatocyte Nuclear Factor 1-betaLiverMaleMembrane Transport ProteinsNuclear ProteinsOrganic Anion Transporters, Sodium-DependentPromoter Regions, GeneticRatsRats, Sprague-DawleyRNA, MessengerSepsisSymportersTranscription FactorsConceptsNuclear binding activityNtcp mRNA levelsMRNA levelsHepatobiliary transportersMRNA expressionCritical transcription factorTime pointsSepsis-associated cholestasisNuclear factor-kappaBSodium-dependent uptakeEffector cytokinesSequential time pointsEndotoxin administrationPretreatment levelsBinding activityMaximal decreaseBile acidsFactor-kappaBHepatocyte nuclear factor 1Normal levelsHepatic basolateral membraneNuclear factorMarked reductionCoordinated downregulationEndotoxin