2013
Ezrin Is Required for the Functional Regulation of the Epithelial Sodium Proton Exchanger, NHE3
Hayashi H, Tamura A, Krishnan D, Tsukita S, Suzuki Y, Kocinsky HS, Aronson PS, Orlowski J, Grinstein S, Alexander RT. Ezrin Is Required for the Functional Regulation of the Epithelial Sodium Proton Exchanger, NHE3. PLOS ONE 2013, 8: e55623. PMID: 23405179, PMCID: PMC3566197, DOI: 10.1371/journal.pone.0055623.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonAnimalsColonCyclic AMPCytoskeletal ProteinsDogsEpithelial CellsFluorescence Recovery After PhotobleachingHumansMadin Darby Canine Kidney CellsMaleMembrane ProteinsMiceMice, KnockoutMicrofilament ProteinsMicrovilliOctoxynolPhosphorylationProtein TransportRNA, Small InterferingSodiumSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersConceptsApical actin cytoskeletonNHE3 activitySodium hydrogen exchanger isoform 3CAMP-dependent inhibitionEzrin knockdown miceERM proteinsActin cytoskeletonSodium-proton exchangerApical cytoskeletonApical localizationFunctional regulationWild-type animalsEpithelial cell culture modelEzrinProton exchangersFluorescent recoveryEpithelial phenotypeCytoskeletonMolecular determinantsCell culture modelExchanger isoform 3Functional studiesNon-targeting siRNAApical membraneIsoform 3
2012
Sat1 is dispensable for active oxalate secretion in mouse duodenum
Ko N, Knauf F, Jiang Z, Markovich D, Aronson PS. Sat1 is dispensable for active oxalate secretion in mouse duodenum. American Journal Of Physiology - Cell Physiology 2012, 303: c52-c57. PMID: 22517357, PMCID: PMC3404526, DOI: 10.1152/ajpcell.00385.2011.Peer-Reviewed Original ResearchConceptsCalcium oxalate stonesMouse duodenumOxalate secretionOxalate stonesIntestinal oxalate secretionIntestinal oxalate transportSecretory fluxSAT1 expressionDisulfonic stilbene DIDSDuodenumTransporter 1SecretionMiceHyperoxalemiaBasolateral solutionHyperoxaluriaBasolateral transportersBicarbonate productionOxalate transportBasolateral membraneSAT1Apical membraneComplete removalMedium concentration
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 linesNHE8Ontogeny of NHE8 in the rat proximal tubule
Becker AM, Zhang J, Goyal S, Dwarakanath V, Aronson PS, Moe OW, Baum M. Ontogeny of NHE8 in the rat proximal tubule. American Journal Of Physiology. Renal Physiology 2007, 293: f255-f261. PMID: 17429030, PMCID: PMC4119019, DOI: 10.1152/ajprenal.00400.2006.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternDNA, ComplementaryElectrophoresis, Polyacrylamide GelFemaleImmunohistochemistryKidney Tubules, ProximalMicroscopy, FluorescenceMicrovilliPregnancyProteinsRatsRats, Sprague-DawleyReverse Transcriptase Polymerase Chain ReactionRNASodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersConceptsRat proximal tubuleProximal tubulesAdult ratsNHE3 expressionProximal tubule bicarbonate reabsorptionReal-time RT-PCRProton secretionNeonatal proximal tubuleNHE8 expressionApical membraneBicarbonate reabsorptionMaturational increaseMaturational changesNeonatesNHE8RT-PCRBrush border membrane vesiclesTubulesRatsCortical membrane proteinsSecretionPresent studyDevelopmental expressionAdultsBorder membrane vesiclesRole of Anion Transporter SLC26A6 (CFEX) in Prevention of Hyperoxaluria and Urolithiasis
Aronson P. Role of Anion Transporter SLC26A6 (CFEX) in Prevention of Hyperoxaluria and Urolithiasis. AIP Conference Proceedings 2007, 900: 141-148. DOI: 10.1063/1.2723570.Commentaries, Editorials and LettersProximal tubulesNull miceOxalate secretionPlasma oxalate concentrationIntestinal oxalate secretionCalcium oxalate urolithiasisFormate exchangeOxalate exchangePrevention of hyperoxaluriaHigh incidenceOxalate urolithiasisHyperoxaluriaCFEXApical membraneRenal brush border vesiclesNet absorptionMiceBrush border vesiclesTubulesUrolithiasisSecretionXenopus oocytesAnion transportersFunctional expressionSpecificity and Regulation of Renal Sulfate Transporters
Markovich D, Aronson PS. Specificity and Regulation of Renal Sulfate Transporters. Annual Review Of Physiology 2007, 69: 361-375. PMID: 17002596, DOI: 10.1146/annurev.physiol.69.040705.141319.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsProximal tubulesSulfate reabsorptionProximal tubular cellsRenal expressionApical membraneKnockout mouse studiesTubular cellsNet reabsorptionNaCl reabsorptionMouse studiesMajor roleReabsorptionSulfate homeostasisCFEXKidneyFamily membersPhysiological roleCurrent dataNormal cellular functionBasolateral membraneTubulesSLC26 family members
2002
Regulation of the expression of the Cl-/anion exchanger pendrin in mouse kidney by acid-base status
Wagner CA, Finberg KE, Stehberger PA, Lifton RP, Giebisch GH, Aronson PS, Geibel JP. Regulation of the expression of the Cl-/anion exchanger pendrin in mouse kidney by acid-base status. Kidney International 2002, 62: 2109-2117. PMID: 12427135, DOI: 10.1046/j.1523-1755.2002.00671.x.Peer-Reviewed Original ResearchConceptsPendrin-positive cellsAcid-base statusPositive cellsBicarbonate secretionMouse kidneyAcid-base transportKnockout mouse modelProtein expression levelsMetabolic alkalosisDeficient dietExchanger pendrinPendrin expressionMouse modelSensorineural deafnessThyroid glandBicarbonate loadPendred syndromeWestern blottingApical membraneInner earPendrin proteinControl levelsKidneyPendrinProtein levelsFormate-stimulated NaCl absorption in the proximal tubule is independent of the pendrin protein
Karniski LP, Wang T, Everett LA, Green ED, Giebisch G, Aronson PS. Formate-stimulated NaCl absorption in the proximal tubule is independent of the pendrin protein. American Journal Of Physiology. Renal Physiology 2002, 283: f952-f956. PMID: 12372770, DOI: 10.1152/ajprenal.00182.2002.Peer-Reviewed Original ResearchConceptsProximal tubulesChloride/formate exchangeNaCl reabsorptionChloride reabsorptionElectroneutral NaCl reabsorptionNaCl absorptionRole of pendrinFormate exchangePds-knockout mouseRecycling of formatePendrin proteinReabsorptionMicePendrinBrush border membrane vesiclesTubulesPresent studyChloride transportApical membraneSpecificity of Anion Exchange Mediated by Mouse Slc26a6*
Jiang Z, Grichtchenko II, Boron WF, Aronson PS. Specificity of Anion Exchange Mediated by Mouse Slc26a6*. Journal Of Biological Chemistry 2002, 277: 33963-33967. PMID: 12119287, DOI: 10.1074/jbc.m202660200.Peer-Reviewed Original ResearchConceptsProximal tubule cellsP-aminohippurateTubule cellsOxalate-sulfate exchangeTransport of oxalatePH recordingRenal tubular fluidTubular fluidVoltage-clamp measurementsBrush border membraneFormate exchangeOxalate exchangeMeasurement of uptakeClamp measurementsBorder membraneSlc26a6Two-electrode voltage clamp measurementsXenopus oocytesPresent studyHigh oxalate concentrationsApical membraneOocytesMouse orthologueCellsCFEXIon 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
1997
Ion 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
1996
Role of ion exchangers in mediating NaCl transport in the proximal tubule
Aronson P. Role of ion exchangers in mediating NaCl transport in the proximal tubule. Kidney International 1996, 49: 1665-1670. PMID: 8743473, DOI: 10.1038/ki.1996.243.Commentaries, Editorials and LettersConceptsProximal tubulesOxalate-sulfate exchangeProximal tubule cellsNaCl transportRecycling of formateTranscellular NaCl transportMetabolic acidosisApical membraneRenal maturationReabsorption of NaClTubule cellsNaCl reabsorptionImmunocytochemical studyNHE3 proteinBrush border membraneSulfate cotransport
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
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-PK1
1990
Effects of apical membrane Cl(-)-formate exchange on cell volume in rabbit proximal tubule
Schild L, Aronson PS, Giebisch G. Effects of apical membrane Cl(-)-formate exchange on cell volume in rabbit proximal tubule. American Journal Of Physiology 1990, 258: f530-f536. PMID: 2316663, DOI: 10.1152/ajprenal.1990.258.3.f530.Peer-Reviewed Original Research