2016
N-glycosylation critically regulates function of oxalate transporter SLC26A6
Thomson RB, Thomson CL, Aronson PS. N-glycosylation critically regulates function of oxalate transporter SLC26A6. American Journal Of Physiology - Cell Physiology 2016, 311: c866-c873. PMID: 27681177, PMCID: PMC5206297, DOI: 10.1152/ajpcell.00171.2016.Peer-Reviewed Original ResearchConceptsPlasma membraneIntegral membrane proteinsCell surface deliverySLC26A6 functionTissue-specific differencesGlycosylation mutantsMembrane proteinsN-glycosylationSurface deliveryBiotinylation studiesOxalate transporterOxalate homeostasisSecond extracellular loopExtracellular loopIntact cellsEnzymatic deglycosylation studiesTransport activityEnzymatic deglycosylationFunctional studiesDeglycosylation studiesGlycosylationPutative second extracellular loopTransport functionFunctional significanceEssential role
2011
Cholinergic signaling inhibits oxalate transport by human intestinal T84 cells
Hassan HA, Cheng M, Aronson PS. Cholinergic signaling inhibits oxalate transport by human intestinal T84 cells. American Journal Of Physiology - Cell Physiology 2011, 302: c46-c58. PMID: 21956166, PMCID: PMC3328906, DOI: 10.1152/ajpcell.00075.2011.Peer-Reviewed Original ResearchConceptsC-SrcT84 cellsHuman intestinal cell line T84PKC-δ inhibitor rottlerinSrc inhibitor PP2Intestinal cell line T84Human intestinal T84 cellsSurface expressionMuscarinic receptorsRegulation downstreamInhibitor PP2Phosphorylation studiesBiotinylation studiesInhibitor rottlerinKnockdown studiesPharmacological inhibitorsIntestinal T84 cellsIntestinal oxalate secretionPhospholipase CIntestinal ion transportPKC activationSignificant translocationCalcium oxalate urolithiasisPKCAnion exchanger SLC26A6
2007
Characterization of Na+/H+ exchanger NHE8 in cultured renal epithelial cells
Zhang J, Bobulescu IA, Goyal S, Aronson PS, Baum MG, Moe OW. Characterization of Na+/H+ exchanger NHE8 in cultured renal epithelial cells. American Journal Of Physiology. Renal Physiology 2007, 293: f761-f766. PMID: 17581925, PMCID: PMC2861566, DOI: 10.1152/ajprenal.00117.2007.Peer-Reviewed Original ResearchConceptsNRK cellsBasolateral NHE activityNHE8 proteinApical membraneNHE1 protein levelsPrimary amino acid sequenceAmino acid sequenceProtein levelsProtein expressionNHE8 protein expressionBasolateral membraneCultured renal epithelial cellsRenal epithelial cellsMammalian cellsNHE activityFunctional characterizationPlasma membraneAcid sequenceRenal cell linesNHE1 protein expressionNative environmentImmunoelectron microscopyExchange activityCell linesNHE8Membrane Curvature Alters the Activation Kinetics of the Epithelial Na+/H+ Exchanger, NHE3*
Alexander RT, Malevanets A, Durkan AM, Kocinsky HS, Aronson PS, Orlowski J, Grinstein S. Membrane Curvature Alters the Activation Kinetics of the Epithelial Na+/H+ Exchanger, NHE3*. Journal Of Biological Chemistry 2007, 282: 7376-7384. PMID: 17218318, DOI: 10.1074/jbc.m608557200.Peer-Reviewed Original Research
2005
Use of phospho-specific antibodies to determine the phosphorylation of endogenous Na+/H+ exchanger NHE3 at PKA consensus sites
Kocinsky HS, Girardi AC, Biemesderfer D, Nguyen T, Mentone S, Orlowski J, Aronson PS. Use of phospho-specific antibodies to determine the phosphorylation of endogenous Na+/H+ exchanger NHE3 at PKA consensus sites. American Journal Of Physiology. Renal Physiology 2005, 289: f249-f258. PMID: 15687252, DOI: 10.1152/ajprenal.00082.2004.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodiesAntibodies, MonoclonalAntibody SpecificityCell LineChlorocebus aethiopsCOS CellsCyclic AMP-Dependent Protein KinasesDopamineElectrophoresis, Polyacrylamide GelImmunohistochemistryKidneyMaleMiceMice, Inbred BALB CMicroscopy, FluorescenceMicrovilliOpossumsPhosphorylationRatsRats, Sprague-DawleySodiumSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersSubcellular FractionsTransfectionConceptsSerine 552Total NHE3Brush border membranePKA consensus sitesEffects of dopamineProximal tubule cellsWestern blot assaysOpossum kidney cellsBaseline phosphorylationPeptide antibodiesInhibition of NHE3Tubule cellsBlot assaysAntibodiesPhosphorylation of NHE3Phosphospecific antibodiesExchanger NHE3NHE3DopamineEndogenous NHE3Kidney cellsVivoPhospho-specific antibodiesTransfection studiesVitro
2004
Role of dipeptidyl peptidase IV in regulating activity of Na+/H+ exchanger isoform NHE3 in proximal tubule cells
Girardi AC, Knauf F, Demuth HU, Aronson PS. Role of dipeptidyl peptidase IV in regulating activity of Na+/H+ exchanger isoform NHE3 in proximal tubule cells. American Journal Of Physiology - Cell Physiology 2004, 287: c1238-c1245. PMID: 15213057, DOI: 10.1152/ajpcell.00186.2004.Peer-Reviewed Original ResearchConceptsProximal tubule cellsDPPIV inhibitorsDipeptidyl peptidase IVTubule cellsNHE3 activityOpossum kidney proximal tubule cellsKidney proximal tubule cellsNHE3 surface expressionPeptidase IVAdditive inhibitory effectEffects of genisteinForskolin/IBMXTyrosine kinase inhibitor genisteinSpecific competitive inhibitorPKA inhibitor HKinase inhibitor genisteinP32/98Activation of PKAInhibitory effectRenal brush border membraneBrush border membraneSurface expressionProtein kinase pathwayNHE3Inhibitor genistein
1998
Immunochemical characterization of Na+/H+exchanger isoform NHE4
Pizzonia J, Biemesderfer D, Abu-Alfa A, Wu M, Exner M, Isenring P, Igarashi P, Aronson P. Immunochemical characterization of Na+/H+exchanger isoform NHE4. American Journal Of Physiology 1998, 275: f510-f517. PMID: 9755122, DOI: 10.1152/ajprenal.1998.275.4.f510.Peer-Reviewed Original ResearchConceptsSubcellular localizationFusion proteinWestern blot analysisBlot analysisBroad tissue distributionBasolateral membraneTransport proteinsMembrane fractionProteinEpithelial cellsSkeletal muscleGradient centrifugationTissue distributionPercoll gradient centrifugationCellsGastric glandsNHE4MembraneImmunochemical characterizationMammalianLocalizationRat tissuesImmunochemical techniquesMonoclonal antibodiesPolypeptide
1997
Sodium/Hydrogen Exchanger Gene Defect in Slow-Wave Epilepsy Mutant Mice
Cox G, Lutz C, Yang C, Biemesderfer D, Bronson R, Fu A, Aronson P, Noebels J, Frankel W. Sodium/Hydrogen Exchanger Gene Defect in Slow-Wave Epilepsy Mutant Mice. Cell 1997, 91: 139-148. PMID: 9335342, DOI: 10.1016/s0092-8674(01)80016-7.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtaxiaBrain ChemistryCell LineCerebellumCerebral CortexChromosome MappingCrosses, GeneticElectroencephalographyEpilepsyFibroblastsGenes, RecessiveIon TransportMiceMice, Inbred C57BLMice, Neurologic MutantsOrgan SpecificityPhenotypePoint MutationRNASodiumSodium-Hydrogen ExchangersConceptsSodium/hydrogen exchangerSpontaneous mouse mutantDisease-causing mutationsPlasma membraneChromosome 4Null allelesMouse mutantsCell survivalHydrogen exchangerNHE genesMutantsGene defectsMutant miceNHE1Growth factorTonic-clonic seizuresSelective neuronal deathNeuronal deathDelicate balanceNeurological syndromeEpilepsy phenotypeGenesNew toolCell volumeMutationsIon exchangers mediating NaCl transport in the proximal tubule.
Aronson PS. Ion exchangers mediating NaCl transport in the proximal tubule. Wiener Klinische Wochenschrift 1997, 109: 435-40. PMID: 9261983.Commentaries, Editorials and LettersConceptsApical membraneBasolateral membraneBrush border membraneMembrane traffickingNHE3 protein expressionMembrane ion exchangerIntracellular vesiclesMammalian proximal tubuleBorder membraneDifferential regulationProximal tubule cellsInhibitor sensitivityPossible regulationFormate transportExchange activityProtein expressionCl- channelsTubule cellsMembranePolyclonal antibodiesVesiclesCellsNHE3Oxalate-sulfate exchangeRegulation
1991
cDNA cloning and immunolocalization of a Na(+)-H+ exchanger in LLC-PK1 renal epithelial cells
Reilly RF, Hildebrandt F, Biemesderfer D, Sardet C, Pouyssegur J, Aronson PS, Slayman CW, Igarashi P. cDNA cloning and immunolocalization of a Na(+)-H+ exchanger in LLC-PK1 renal epithelial cells. American Journal Of Physiology 1991, 261: f1088-f1094. PMID: 1661081, DOI: 10.1152/ajprenal.1991.261.6.f1088.Peer-Reviewed Original ResearchConceptsLLC-PK1 cellsFusion proteinAmino-terminal hydrophobic regionLLC-PK1 renal epithelial cellsHydrophobic regionAmino acid sequenceConfluent LLC-PK1 cellsRelative molecular massRenal epithelial cellsSignificant homologyHuman proteinsCDNA cloningAcid sequenceNucleotide identityHuman sequenceLibrary screeningCDNAMolecular massPolymerase chain reactionAmino acidsApical membraneProteinConfocal microscopyHydrophilic domainsLLC-PK1Increased Na(+)-H+ antiporter activity in apical membrane vesicles from mutant LLC-PK1 cells
Reilly RF, Haggerty JG, Aronson PS, Adelberg EA, Slayman CW. Increased Na(+)-H+ antiporter activity in apical membrane vesicles from mutant LLC-PK1 cells. American Journal Of Physiology 1991, 260: c738-c744. PMID: 1673319, DOI: 10.1152/ajpcell.1991.260.4.c738.Peer-Reviewed Original Research