2023
Mitochondrial DNA and the STING pathway are required for hepatic stellate cell activation
Arumugam S, Li B, Boodapati S, Nathanson M, Sun B, Ouyang X, Mehal W. Mitochondrial DNA and the STING pathway are required for hepatic stellate cell activation. Hepatology 2023, 78: 1448-1461. PMID: 37013923, PMCID: PMC10804318, DOI: 10.1097/hep.0000000000000388.Peer-Reviewed Original ResearchConceptsVoltage-dependent anion channelBioenergetic capacityMitochondrial DNATranscriptional upregulationCyclic GMP-AMP synthaseGMP-AMP synthaseTranscriptional regulationBioenergetic organellesFunctional mitochondriaMitochondrial membraneExternal mitochondrial membraneAnabolic pathwaysMitochondrial massAnion channelInterferon genesHSC transdifferentiationSubsequent activationCGAS-STINGTransdifferentiationIRF3 pathwayPathwaySTING pathwayGenesMitochondriaQuiescent HSCs
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
2003
Nuclear 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
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 Research
1998
Coordination 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
Cellular 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 ResearchMeSH KeywordsCalciumCell CommunicationDigestive SystemDigestive System Physiological PhenomenaEpithelial CellsEpitheliumHumansSignal TransductionConceptsCell 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