2020
Purinergic Regulation of Bile Ductular Secretion
Dranoff J. Purinergic Regulation of Bile Ductular Secretion. 2020, 96-104. DOI: 10.1201/9780367813888-9.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsP2Y receptorsPurinergic receptorsIntestinal epitheliumExtracellular nucleotidesP2Y receptor subtypesP2 receptorsReceptor subtypesRespiratory epitheliumP1 receptorsMucin secretionNucleotide receptorsPurinergic agonistsPlatelet aggregationPurinergic regulationChloride secretionDistinct receptorsDuctular secretionNucleoside receptorsEpithelial secretionEpitheliumReceptorsSalivary glandsSecretionSecretory epitheliumRenal epithelium
2009
Transcriptional regulation of IL-6 in bile duct epithelia by extracellular ATP
Yu J, Sheung N, Soliman EM, Spirli C, Dranoff JA. Transcriptional regulation of IL-6 in bile duct epithelia by extracellular ATP. AJP Gastrointestinal And Liver Physiology 2009, 296: g563-g571. PMID: 19136380, PMCID: PMC2660176, DOI: 10.1152/ajpgi.90502.2008.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsAntibodiesBile DuctsCalciumCalcium SignalingCell Line, TransformedCell Line, TumorCyclic AMPEpithelial CellsExtracellular SpaceFibroblastsHumansImmunoblottingInterleukin-6MaleMutagenesis, Site-DirectedPromoter Regions, GeneticRatsRats, Sprague-DawleyReceptors, Purinergic P2Response ElementsRNA, MessengerSignal TransductionTranscriptional ActivationConceptsBile duct epitheliumIL-6IL-6 transcriptionDuct epitheliumLiver injuryCAMP response elementP2Y11 receptorInflammatory cytokines IL-6Extracellular ATPIL-6 upregulationUse of agonistsRat bile duct epitheliaCytokines IL-6IL-6 releaseIL-6 promoter activityIL-6 mRNAExtracellular ATP actsCalcium agonistP2Y receptorsPharmacological profileHepatic responseCalcium-dependent fashionExtracellular nucleotidesCytosolic calciumPurinergic signals
2006
Cloning, purification, and identification of the liver canalicular ecto-ATPase as NTPDase8
Fausther M, Lecka J, Kukulski F, Lévesque S, Pelletier J, Zimmermann H, Dranoff JA, Sévigny J. Cloning, purification, and identification of the liver canalicular ecto-ATPase as NTPDase8. AJP Gastrointestinal And Liver Physiology 2006, 292: g785-g795. PMID: 17095758, PMCID: PMC3952495, DOI: 10.1152/ajpgi.00293.2006.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphatasesAmino Acid SequenceAnimalsAntigens, CDApyraseCatalysisCell LineChlorocebus aethiopsCloning, MolecularCOS CellsDeoxycholic AcidEnzyme InhibitorsHepatocytesHumansKineticsLiverMolecular Sequence DataNucleotidesRatsRats, Sprague-DawleyRecombinant ProteinsSequence Homology, Amino AcidSodium AzideSubstrate SpecificityConceptsExtracellular nucleotidesSpecific transmembrane receptorsAmino acid sequenceTerminal amino acid sequenceHEK293T cellsCritical liver functionsNTPDase2/CD39L1Cell surface enzymeTransmembrane receptorsAcid sequenceHigh identityCOS-7Recombinant proteinsNTPDase8Molecular identityNucleoside salvageEcto-ATPaseAffigel BlueNTPDase3 expression
2004
Expression of P2Y nucleotide receptors and ectonucleotidases in quiescent and activated rat hepatic stellate cells
Dranoff JA, Ogawa M, Kruglov EA, Gaça M, Sévigny J, Robson SC, Wells RG. Expression of P2Y nucleotide receptors and ectonucleotidases in quiescent and activated rat hepatic stellate cells. AJP Gastrointestinal And Liver Physiology 2004, 287: g417-g424. PMID: 14764443, PMCID: PMC5241161, DOI: 10.1152/ajpgi.00294.2003.Peer-Reviewed Original ResearchConceptsHepatic stellate cellsActivated hepatic stellate cellsQuiescent hepatic stellate cellsP2Y receptorsExtracellular nucleotidesP2Y subtypesStellate cellsMRNA expressionRT-PCRInhibitor suraminP2Y receptor subtypesReceptor subtype expressionExpression of mediatorsExpression of receptorsFunctional P2Y receptorsRat hepatic stellate cellsReal-time RT-PCRP2Y nucleotide receptorsEctonucleotidase expressionLiver fibrosisReceptor subtypesSubtype expressionEctonucleotidase activityExtracellular UDPFibrogenic cells
2002
The ecto‐nucleoside triphosphate diphosphohydrolase NTPDase2/CD39L1 is expressed in a novel functional compartment within the liver
Dranoff JA, Kruglov EA, Robson SC, Braun N, Zimmermann H, Sévigny J. The ecto‐nucleoside triphosphate diphosphohydrolase NTPDase2/CD39L1 is expressed in a novel functional compartment within the liver. Hepatology 2002, 36: 1135-1144. PMID: 12395323, DOI: 10.1053/jhep.2002.36823.Peer-Reviewed Original ResearchConceptsIntrahepatic bile ductsExtracellular nucleotidesBile ductDiverse biological functionsBlot analysisEcto-nucleoside triphosphate diphosphohydrolasesNTPDase2/CD39L1Portal fibroblastsNorthern blot analysisCellular compartmentsBiological functionsPotential regulatorConfocal immunofluorescenceWestern blot analysisHepatic blood flowBile duct epitheliumReverse transcription-polymerase chain reactionFunctional assaysTriphosphate diphosphohydrolasesImmunoelectron microscopyFunctional compartmentsHepatic central veinNucleotidesNTPDase1NTPDase2
2001
Polarized expression and function of P2Y ATP receptors in rat bile duct epithelia
Dranoff J, Masyuk A, Kruglov E, LaRusso N, Nathanson M. Polarized expression and function of P2Y ATP receptors in rat bile duct epithelia. AJP Gastrointestinal And Liver Physiology 2001, 281: g1059-g1067. PMID: 11557527, DOI: 10.1152/ajpgi.2001.281.4.g1059.Peer-Reviewed Original ResearchConceptsP2Y receptor subtypesP2Y receptorsReceptor subtypesIntrahepatic bile duct unitsATP receptorsBile duct epitheliumMultiple P2Y receptor subtypesRat bile duct epitheliaBile duct unitsImportant regulatorLuminal ATPLuminal perfusionMolecular subtypesBile secretionDuct epitheliumBasolateral additionExtracellular nucleotidesDuctular secretionSubtypesCytosolic Ca2Duct unitsRT-PCRCholangiocytesReceptorsSecretion