2014
Apical Localization of Inositol 1,4,5-Trisphosphate Receptors Is Independent of Extended Synaptotagmins in Hepatocytes
Amaya MJ, Oliveira AG, Schroeder LK, Allgeyer ES, Bewersdorf J, Nathanson MH. Apical Localization of Inositol 1,4,5-Trisphosphate Receptors Is Independent of Extended Synaptotagmins in Hepatocytes. PLOS ONE 2014, 9: e114043. PMID: 25437447, PMCID: PMC4250053, DOI: 10.1371/journal.pone.0114043.Peer-Reviewed Original ResearchPost-translational Regulation of the Type III Inositol 1,4,5-Trisphosphate Receptor by miRNA-506*
Ananthanarayanan M, Banales JM, Guerra MT, Spirli C, Munoz-Garrido P, Mitchell-Richards K, Tafur D, Saez E, Nathanson MH. Post-translational Regulation of the Type III Inositol 1,4,5-Trisphosphate Receptor by miRNA-506*. Journal Of Biological Chemistry 2014, 290: 184-196. PMID: 25378392, PMCID: PMC4281721, DOI: 10.1074/jbc.m114.587030.Peer-Reviewed Original ResearchConceptsReporter activityMiR-506Trisphosphate receptorPost-translational regulationMiR-506 mimicsCell linesMiR-506 inhibitorEpigenetic regulationMiRNA regulationType III inositolFibrotic signatureMiR-506 expressionType III isoformCholangiocyte cell lineHEK293 cellsSitu hybridizationProtein levelsControl cellsInsP3R3H69 cellsRegulationSignalingExpressionCellsInositol
2006
Hormonal Regulation of Nuclear Permeability* ♦
O'Brien EM, Gomes DA, Sehgal S, Nathanson MH. Hormonal Regulation of Nuclear Permeability* ♦. Journal Of Biological Chemistry 2006, 282: 4210-4217. PMID: 17158097, PMCID: PMC2835336, DOI: 10.1074/jbc.m606300200.Peer-Reviewed Original ResearchConceptsProtein kinase CNuclear permeabilityGene transcriptionNuclear envelopeSecond messengerKinase CPhotoactivatable green fluorescent proteinCertain G protein-coupled receptorsG protein-coupled receptorsActivate protein kinase CCytosolic Ca2Protein-coupled receptorsGreen fluorescent proteinTargeting sequenceTranscription factorsRegulatory moleculesNuclear membraneFluorescent proteinPassage of moleculesIntranuclear eventsNovel mechanismShort-term regulationHormonal regulationTranscriptionRegulation
2003
Regulation of calcium signals in the nucleus by a nucleoplasmic reticulum
Echevarría W, Leite MF, Guerra MT, Zipfel WR, Nathanson MH. Regulation of calcium signals in the nucleus by a nucleoplasmic reticulum. Nature Cell Biology 2003, 5: 440-446. PMID: 12717445, PMCID: PMC3572851, DOI: 10.1038/ncb980.Peer-Reviewed Original ResearchMeSH KeywordsActive Transport, Cell NucleusCalciumCalcium ChannelsCalcium SignalingCell MembraneCell Nucleus StructuresCytosolEndoplasmic ReticulumEukaryotic CellsHumansInositol 1,4,5-TrisphosphateInositol 1,4,5-Trisphosphate ReceptorsMicroscopy, ConfocalNuclear EnvelopePhotochemistryProtein Kinase CProtein TransportReceptors, Cytoplasmic and NuclearTumor Cells, CulturedConceptsProtein kinase CNucleoplasmic reticulumCalcium signalsNuclear envelopeNuclear protein kinase CNuclear calcium signalsCytosolic protein kinase CGene transcriptionInduces translocationNuclear calcium storesPlasma membraneCytosolic calcium signalsSubnuclear regionsEndoplasmic reticulumSecond messengerKinase CTrisphosphate receptorCell growthReticulumNuclear componentsReticular networkPotential mechanismsCalcium storesRelease of calciumNucleusNuclear and cytosolic calcium are regulated independently
Leite MF, Thrower EC, Echevarria W, Koulen P, Hirata K, Bennett AM, Ehrlich BE, Nathanson MH. Nuclear and cytosolic calcium are regulated independently. Proceedings Of The National Academy Of Sciences Of The United States Of America 2003, 100: 2975-2980. PMID: 12606721, PMCID: PMC151451, DOI: 10.1073/pnas.0536590100.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateCalciumCalcium ChannelsCell LineCell MembraneCell NucleusCytosolDose-Response Relationship, DrugEndoplasmic ReticulumHumansImmunoblottingImmunohistochemistryInositol 1,4,5-Trisphosphate ReceptorsLipid BilayersMicroscopy, ConfocalProtein IsoformsReceptors, Cytoplasmic and NuclearSignal TransductionTime FactorsConceptsEndoplasmic reticulumImportant cellular processesType II isoformCellular processesCellular compartmentsGene transcriptionEnriched expressionNuclear calciumTrisphosphate receptorIndependent regulationCytosolLiver cell lineCell linesHepG2 liver cell lineSubcellular mechanismsReticulumNucleus resultsDependent processesCytosolic calciumNucleusTranscriptionType ISignalingIsoformsSimilar extent
2001
Bile duct epithelia regulate biliary bicarbonate excretion in normal rat liver
Hirata K, Nathanson M. Bile duct epithelia regulate biliary bicarbonate excretion in normal rat liver. Gastroenterology 2001, 121: 396-406. PMID: 11487549, DOI: 10.1053/gast.2001.26280.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAcetylcholineAngiogenesis InhibitorsAnimalsAnti-Inflammatory Agents, Non-SteroidalBicarbonatesBileBile DuctsBiological TransportCalciumCyclic AMPCyclosporineDose-Response Relationship, DrugEnzyme InhibitorsEpithelial CellsGlucagonHepatic ArteryHepatic VeinsIn Vitro TechniquesLiverMaleNitrobenzoatesOrtho-AminobenzoatesRatsRats, Sprague-DawleySecretinVasoconstrictor AgentsVasodilator AgentsVasopressinsConceptsBiliary bicarbonate excretionEffect of secretinBicarbonate excretionHepatic arteryBiliary bicarbonateNormal rat liverDiphenylamine-2-carboxylic acidBile ductPortal veinRat liverEffects of acetylcholineBile duct epitheliumDose-dependent fashionFormation of bileBile flowBlood supplyBicarbonate exchangeDuct epitheliumAcetylcholineArteryAbstractTextExcretionCyclosporin A.LiverCholangiocytes
1999
Regulation of bile acid transport: Beyond molecular cloning
Dranoff J, Nathanson M. Regulation of bile acid transport: Beyond molecular cloning. Hepatology 1999, 29: 1912-1913. PMID: 10347140, DOI: 10.1002/hep.510290643.Peer-Reviewed Original ResearchCommunication via gap junctions modulates bile secretion in the isolated perfused rat liver
Nathanson M, Rios–Velez L, Burgstahler A, Mennone A. Communication via gap junctions modulates bile secretion in the isolated perfused rat liver. Gastroenterology 1999, 116: 1176-1183. PMID: 10220510, DOI: 10.1016/s0016-5085(99)70021-1.Peer-Reviewed Original Research
1998
Type III InsP3 receptor channel stays open in the presence of increased calcium
Hagar R, Burgstahler A, Nathanson M, Ehrlich B. Type III InsP3 receptor channel stays open in the presence of increased calcium. Nature 1998, 396: 81-84. PMID: 9817204, PMCID: PMC2825878, DOI: 10.1038/23954.Peer-Reviewed Original ResearchNovel paracrine signaling mechanism in the ocular ciliary epithelium
Hirata K, Nathanson M, Sears M. Novel paracrine signaling mechanism in the ocular ciliary epithelium. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 8381-8386. PMID: 9653195, PMCID: PMC20984, DOI: 10.1073/pnas.95.14.8381.Peer-Reviewed Original ResearchConceptsNonpigmented cell layerCiliary epithelial bilayerAlpha1-adrenergic antagonist prazosinBeta-adrenergic antagonist propranololPigmented cell layerGap junction blocker octanolBeta-adrenergic agonist isoproterenolCell layerEpithelial bilayerEndogenous adenylyl cyclaseGap junctionsCell spreadOcular ciliary epitheliumAntagonist prazosinAqueous humor secretionAntagonist propranololCiliary bodyAgonist isoproterenolParacrine pathwaysAdrenergic stimulationNovel paracrineCytosolic Ca2Lucifer YellowCiliary epitheliumAdenylyl cyclaseCoordination of calcium waves among hepatocytes: Teamwork gets the job done
Burgstahler A, Nathanson M. Coordination of calcium waves among hepatocytes: Teamwork gets the job done. Hepatology 1998, 27: 634-635. PMID: 9462668, DOI: 10.1002/hep.510270244.Peer-Reviewed Original Research
1997
Mechanism of long-range Ca2+ signalling in the nucleus of isolated rat hepatocytes
Jeffrey L, BURGSTAHLER A, NATHANSON M. Mechanism of long-range Ca2+ signalling in the nucleus of isolated rat hepatocytes. Biochemical Journal 1997, 326: 491-495. PMID: 9291123, PMCID: PMC1218696, DOI: 10.1042/bj3260491.Peer-Reviewed Original Research
1994
Effects of protein kinase C and cytosolic Ca2+ on exocytosis in the isolated perfused rat liver
Bruck R, Nathanson M, Roelofsen H, Boyer J. Effects of protein kinase C and cytosolic Ca2+ on exocytosis in the isolated perfused rat liver. Hepatology 1994, 20: 1032-1040. PMID: 7927205, DOI: 10.1002/hep.1840200436.Peer-Reviewed Original ResearchConceptsProtein kinase CKinase CApical exocytosisRegulation of exocytosisProtein kinase C inhibitor HHorseradish peroxidase concentrationCytosolic Ca2ExocytosisCell typesInhibitor HProtein kinase C activator phorbol dibutyrateHorseradish peroxidase excretionPhorbol dibutyrateCa2Rat liverRelative importanceNet excretionPeroxidase concentrationsHepatocytesCellular and subcellular calcium signaling in gastrointestinal epithelium
Nathanson M. Cellular and subcellular calcium signaling in gastrointestinal epithelium. Gastroenterology 1994, 106: 1349-1364. PMID: 8174894, DOI: 10.1016/0016-5085(94)90030-2.Peer-Reviewed Original ResearchConceptsCell typesCritical second messengerEpithelial cell typesEpithelial cellsIndividual epithelial cellsPolarized epitheliumSecond messengerMechanism of Ca2Polarized structureGastrointestinal tractProlonged elevationGastrointestinal epitheliumCell populationsSubcellular calciumSubcellular Ca2Cytosolic Ca2Digestive systemCellsFurther levelCa2EpitheliumSuch signalsSignalingMessengerPancreas
1993
Effects of tauroursodeoxycholic acid on cytosolic Ca2+ signals in isolated rat hepatocytes
Beuers U, Nathanson M, Boyer J. Effects of tauroursodeoxycholic acid on cytosolic Ca2+ signals in isolated rat hepatocytes. Gastroenterology 1993, 104: 604-612. PMID: 8425704, DOI: 10.1016/0016-5085(93)90433-d.Peer-Reviewed Original ResearchConceptsEffect of TUDCATauroursodeoxycholic acidAdministration of TUDCAIP3-independent mechanismCytosolic free calciumIP3-sensitive Ca2Trihydroxy bile acidsCholestatic disordersHepatocyte secretionTreatment periodExtracellular Ca2Bile acidsTaurolithocholic acidMumol/Rat hepatocytesFree calciumBasal levelsTransient increaseCytosolic Ca2Levels of inositolFree mediumPhysiological concentrationsIsolated rat hepatocytesHepatocytesFourfold increase
1992
Effects of Ca2+ agonists on cytosolic Ca2+ in isolated hepatocytes and on bile secretion in the isolated perfused rat liver
Nathanson M, Gautam A, Bruck R, Isales C, Boyer J. Effects of Ca2+ agonists on cytosolic Ca2+ in isolated hepatocytes and on bile secretion in the isolated perfused rat liver. Hepatology 1992, 15: 107-116. PMID: 1727785, DOI: 10.1002/hep.1840150119.Peer-Reviewed Original ResearchConceptsBile flowPerfusion pressureBile secretionCytosolic Ca2Rat liverProtein kinase CIonophore-induced increaseBromo-A23187Hepatic vasoconstrictionVasodilator papaverineProtein kinase C inhibitor HExtracellular Ca2Kinase CSecretionLiverVasopressinAgonist vasopressinBenzohydroquinoneEffect of Ca2HepatocytesActivate protein kinase CInhibitor HTwo-thirdsIsolated hepatocytesSensitive photoprotein aequorin