2005
Role of PDZK1 in membrane expression of renal brush border ion exchangers
Thomson RB, Wang T, Thomson BR, Tarrats L, Girardi A, Mentone S, Soleimani M, Kocher O, Aronson PS. Role of PDZK1 in membrane expression of renal brush border ion exchangers. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 13331-13336. PMID: 16141316, PMCID: PMC1201624, DOI: 10.1073/pnas.0506578102.Peer-Reviewed Original ResearchConceptsProximal tubulesExpression of NHE3Functional activityRole of PDZK1Protein PDZK1Reabsorption of NaBrush border expressionMammalian kidneyCFEXBrush border localizationMutant miceGST fusion proteinProtein expressionKidneyBrush border membrane proteinsExchanger NHE3Membrane expressionNHE3Brush borderBrush border membrane vesiclesPDZK1 interactionTubulesNormal expressionMembrane proteinsPDZK1Use 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
2002
Ion exchangers mediating NaCl transport in the renal proximal tubule
Aronson PS. Ion exchangers mediating NaCl transport in the renal proximal tubule. Cell Biochemistry And Biophysics 2002, 36: 147-153. PMID: 12139400, DOI: 10.1385/cbb:36:2-3:147.Commentaries, Editorials and LettersConceptsProximal tubulesNaCl absorptionOxalate-sulfate exchangeLoop of HenleProximal tubule cellsNaCl transportRenal proximal tubulesRecycling of formateRole of NHE3NHE3 null miceTubule cellsNull micePerfusion solutionNephron segmentsIsoform-specific antibodiesApical membraneRenal brush border vesiclesMammalian proximal tubuleBrush border vesiclesSulfate cotransportBrush border membrane vesiclesTubulesFormate exchangeNHE3Stimulation
2001
Role of NHE isoforms in mediating bicarbonate reabsorption along the nephron
Wang T, Hropot M, Aronson P, Giebisch G. Role of NHE isoforms in mediating bicarbonate reabsorption along the nephron. American Journal Of Physiology. Renal Physiology 2001, 281: f1117-f1122. PMID: 11704563, DOI: 10.1152/ajprenal.2001.281.6.f1117.Peer-Reviewed Original ResearchConceptsLoop of HenleHOE 694Proximal tubulesAddition of ethylisopropylamilorideDistal convoluted tubuleBicarbonate reabsorptionConvoluted tubulesSitu microperfusionRat kidneySignificant inhibitionNHE isoformsHenlePredominant isoformTubulesNHE3Functional roleInhibitionNHE2Apical membraneIsoformsApical isoformKidneyMicroperfusionEthylisopropylamilorideNephronAssociation of Na+-H+ Exchanger Isoform NHE3 and Dipeptidyl Peptidase IV in the Renal Proximal Tubule*
Girardi A, Degray B, Nagy T, Biemesderfer D, Aronson P. Association of Na+-H+ Exchanger Isoform NHE3 and Dipeptidyl Peptidase IV in the Renal Proximal Tubule*. Journal Of Biological Chemistry 2001, 276: 46671-46677. PMID: 11590171, DOI: 10.1074/jbc.m106897200.Peer-Reviewed Original ResearchConceptsApical membraneExchanger Isoform NHE3Dipeptidyl peptidase IVN-terminal sequencingProtein complexesDPPIV enzyme activityRenal microvillus membrane vesiclesMicrovillar fractionMembrane populationsMembrane vesiclesPeptidase IVWestern blot analysisMicrovillus membrane vesiclesNHE3 surface expressionBrush borderImmunoelectron microscopyRabbit renal brush borderBlot analysisProteinEnzyme activitySurface expressionMicrovillus membraneNHE3Different poolsImmunoaffinity chromatography
1998
Renal and intestinal absorptive defects in mice lacking the NHE3 Na+/H+ exchanger
Schultheis P, Clarke L, Meneton P, Miller M, Soleimani M, Gawenis L, Riddle T, Duffy J, Doetschman T, Wang T, Giebisch G, Aronson P, Lorenz J, Shull G. Renal and intestinal absorptive defects in mice lacking the NHE3 Na+/H+ exchanger. Nature Genetics 1998, 19: 282-285. PMID: 9662405, DOI: 10.1038/969.Peer-Reviewed Original ResearchConceptsAcid-base balanceAbsorptive defectsNHE3-deficient miceFluid volume homeostasisRenal proximalSlight diarrheaPlasma aldosteroneBlood pressureHomozygous mutant miceExchanger mRNANHE2 isoformsBlood analysisMutant miceCompensatory mechanismsFluid absorptionNHE3 functionVolume homeostasisMiceDistribution of NHE3Cl-/HCO3Channel activityNHE3KidneyATPase mRNAIntestine
1997
Monoclonal antibodies for high-resolution localization of NHE3 in adult and neonatal rat kidney
Biemesderfer D, Rutherford PA, Nagy T, Pizzonia JH, Abu-Alfa AK, Aronson PS. Monoclonal antibodies for high-resolution localization of NHE3 in adult and neonatal rat kidney. American Journal Of Physiology 1997, 273: f289-f299. PMID: 9277590, DOI: 10.1152/ajprenal.1997.273.2.f289.Peer-Reviewed Original ResearchConceptsProximal tubulesRat kidneyMonoclonal antibodiesLoop of HenleHigh-resolution immunocytochemical studiesProximal tubule cellsPrevious immunochemical studiesIsoform-specific monoclonal antibodiesNeonatal rat kidneyTubule cellsImmunocytochemical studyThick limbImmunocytochemical techniquesKidneyLAP cellsRenal epitheliumNHE3Immunochemical studiesHigh-resolution immunocytochemical techniqueAdultsLater stagesNephron developmentIon 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 exchangeRegulationExpression of Na(+)-H+ exchanger isoforms NHE1 and NHE3 in kidney and blood cells of rabbit and rat.
Rutherford PA, Pizzonia JH, Biemesderfer D, Abu-Alfa A, Reilly R, Aronson PS. Expression of Na(+)-H+ exchanger isoforms NHE1 and NHE3 in kidney and blood cells of rabbit and rat. Nephron 1997, 5: 490-7. PMID: 9438178.Peer-Reviewed Original ResearchConceptsNa-H exchangeNa-H exchangerBlood cellsRat kidneyNa-Li countertransportNHE1 protein expressionExpression of NHE1Diabetic nephropathyCountertransport activityIsoform-specific antibodiesMonoclonal antibodiesExchanger isoforms NHE1NHE3 expressionRenal brush border membraneProtein expressionBrush border membraneKidneyNHE isoformsRabbitsNHE3Blood cell membranesBrush border membrane fractionRatsIsoforms NHE1Antibodies
1996
Role of NHE3 in Mediating Renal Brush Border Na+-H+ Exchange ADAPTATION TO METABOLIC ACIDOSIS*
Wu M, Biemesderfer D, Giebisch G, Aronson P. Role of NHE3 in Mediating Renal Brush Border Na+-H+ Exchange ADAPTATION TO METABOLIC ACIDOSIS*. Journal Of Biological Chemistry 1996, 271: 32749-32752. PMID: 8955109, DOI: 10.1074/jbc.271.51.32749.Peer-Reviewed Original ResearchConceptsMetabolic acidosisControl ratsBrush border membraneRenal brush border vesiclesNHE3 proteinBrush border vesiclesBorder membraneBrush borderNHE3 protein expressionRole of NHE3Western blot analysisNormal ratsAcidosisRatsAcidotic ratsRenal brush border membranePharmacologic inhibitorsProtein expressionExchange activityInhibitor sensitivityNHE3Renal brush borderBlot analysis
1995
Ontogeny of rabbit renal cortical NHE3 and NHE1: effect of glucocorticoids
Baum M, Biemesderfer D, Gentry D, Aronson PS. Ontogeny of rabbit renal cortical NHE3 and NHE1: effect of glucocorticoids. American Journal Of Physiology 1995, 268: f815-f820. PMID: 7771509, DOI: 10.1152/ajprenal.1995.268.5.f815.Peer-Reviewed Original ResearchConceptsProximal tubulesNHE1 mRNABicarbonate absorptionNHE3 mRNA abundanceDaily subcutaneous administrationAdult animalsAdministration of glucocorticoidsEffects of glucocorticoidsNHE3 protein abundanceNeonatal proximal tubuleDays of ageRenal maturationSubcutaneous administrationRenal cortexNeonatal rabbitsCortical developmentProtein abundanceRate of maturationGlucocorticoidsNHE3 mRNAAntiporter activityApical membraneNHE3Lower ratesTubules
1993
NHE3: a Na+/H+ exchanger isoform of renal brush border
Biemesderfer D, Pizzonia J, Abu-Alfa A, Exner M, Reilly R, Igarashi P, Aronson PS. NHE3: a Na+/H+ exchanger isoform of renal brush border. American Journal Of Physiology 1993, 265: f736-f742. PMID: 8238556, DOI: 10.1152/ajprenal.1993.265.5.f736.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceDNA PrimersFluorescent Antibody TechniqueImmunoblottingImmunohistochemistryKidneyKidney CortexKidney Tubules, ProximalL CellsMiceMicrovilliMolecular Sequence DataMolecular WeightPolymerase Chain ReactionRabbitsRecombinant ProteinsSodium-Hydrogen ExchangersTransfectionConceptsBrush borderRabbit kidneyBrush border membraneProximal tubule cellsRenal brush borderRenal proximal tubulesWestern blot analysisImmune serumProximal tubulesTubule cellsGuinea pigsImmunocytochemical studyRenal brush border membraneKidneyTranscellular reabsorptionExchanger isoformsNHE3Blot analysisFusion proteinSpecific reactivityBasolateral membraneExchanger geneCellsProtein