2015
Nuclear Factor, Erythroid 2-Like 2 Regulates Expression of Type 3 Inositol 1,4,5-Trisphosphate Receptor and Calcium Signaling in Cholangiocytes
Weerachayaphorn J, Amaya MJ, Spirli C, Chansela P, Mitchell-Richards KA, Ananthanarayanan M, Nathanson MH. Nuclear Factor, Erythroid 2-Like 2 Regulates Expression of Type 3 Inositol 1,4,5-Trisphosphate Receptor and Calcium Signaling in Cholangiocytes. Gastroenterology 2015, 149: 211-222.e10. PMID: 25796361, PMCID: PMC4478166, DOI: 10.1053/j.gastro.2015.03.014.Peer-Reviewed Original ResearchConceptsBile ductBile duct unitsCholestatic disordersOxidative stressCalcium signalingNuclear factorMouse cholangiocytesDuct unitsReduced calcium signalingIntrahepatic bile ductsLevels of Nrf2Cholangiocyte cellsKnockdown of Nrf2Activation of Nrf2Intracellular calcium release channelsTranscription factor Nrf2Binding of Nrf2Calcium release channelPolymerase chain reaction analysisBiliary diseaseTrisphosphate receptorControl ratsLiver disordersBicarbonate secretionChain reaction analysis
2014
Post-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
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
1999
Expression and subcellular localization of the ryanodine receptor in rat pancreatic acinar cells
LEITE M, DRANOFF J, Ling G, NATHANSON M. Expression and subcellular localization of the ryanodine receptor in rat pancreatic acinar cells. Biochemical Journal 1999, 337: 305-309. DOI: 10.1042/bj3370305.Peer-Reviewed Original ResearchPancreatic acinar cellsNon-excitable cell typesCell typesCell types resultsAcinar cellsNon-excitable cellsRyanodine receptorSubcellular localizationPolarized epitheliumReverse transcription-PCRRat pancreatic acinar cellsTrisphosphate receptorCo-ordinated releaseType 2 RyRExcitable cellsRelease pathwayTranscription-PCRPrincipal Ca2Release channelApical regionCytosolic Ca2CellsFundamental roleRyRsPropagation of Ca2