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
2007
Molecular basis for calcium signaling in hepatic stellate cells
Kruglov EA, Correa PR, Arora G, Yu J, Nathanson MH, Dranoff JA. Molecular basis for calcium signaling in hepatic stellate cells. AJP Gastrointestinal And Liver Physiology 2007, 292: g975-g982. PMID: 17204544, DOI: 10.1152/ajpgi.00401.2006.Peer-Reviewed Original ResearchMeSH KeywordsActive Transport, Cell NucleusAdenosine TriphosphateAnimalsCalcium SignalingCalreticulinCell NucleusCell ShapeCell Surface ExtensionsCells, CulturedEndoplasmic ReticulumInositol 1,4,5-Trisphosphate ReceptorsLiverLiver CirrhosisMaleMicroscopy, ConfocalMicroscopy, VideoRatsRats, Sprague-DawleyReceptors, Purinergic P2RNA, MessengerTime FactorsConceptsHepatic stellate cellsCell extensionsLipid-storing cellsSubcellular organizationLiver fibrosisMolecular basisStellate cellsSubcellular signalingTrisphosphate receptorChronic liver failureProgressive liver fibrosisSufficient machineryExtracellular ATPMyofibroblastic transdifferentiationOrgan fibrosisLiver failureP2Y receptorsHealthy liverATPLocal controlCellsCritical stepLocal applicationImportant mediatorFibrosis
2006
Adenosine inhibits cytosolic calcium signals and chemotaxis in hepatic stellate cells
Hashmi AZ, Hakim W, Kruglov EA, Watanabe A, Watkins W, Dranoff JA, Mehal WZ. Adenosine inhibits cytosolic calcium signals and chemotaxis in hepatic stellate cells. AJP Gastrointestinal And Liver Physiology 2006, 292: g395-g401. PMID: 17053161, PMCID: PMC3224076, DOI: 10.1152/ajpgi.00208.2006.Peer-Reviewed Original ResearchConceptsCytosolic Ca2Collagen I mRNATGF-beta productionHepatic stellate cell biologyLX-2 cellsEffects of adenosineHepatic stellate cellsSite of injuryI mRNAElevated tissue levelsDose-dependent mannerHigh adenosine concentrationsStellate cell biologyAdenylate cyclase inhibitorActivation markersLiver fibrosisTissue injuryHSC chemotaxisStellate cellsCyclase inhibitorAdenosine concentrationTranswell systemInhibited increasesCellular hypoxiaTissue levels
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
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
2000
It's swell to have ATP in the liver
Dranoff J, Nathanson M. It's swell to have ATP in the liver. Journal Of Hepatology 2000, 33: 323-325. PMID: 10952251, DOI: 10.1016/s0168-8278(00)80374-8.Peer-Reviewed Original Research