2010
The Na+-dependent chloride-bicarbonate exchanger SLC4A8 mediates an electroneutral Na+ reabsorption process in the renal cortical collecting ducts of mice
Leviel F, Hübner CA, Houillier P, Morla L, Moghrabi S, Brideau G, Hatim H, Parker MD, Kurth I, Kougioumtzes A, Sinning A, Pech V, Riemondy KA, Miller RL, Hummler E, Shull GE, Aronson PS, Doucet A, Wall SM, Chambrey R, Eladari D. The Na+-dependent chloride-bicarbonate exchanger SLC4A8 mediates an electroneutral Na+ reabsorption process in the renal cortical collecting ducts of mice. Journal Of Clinical Investigation 2010, 120: 1627-1635. PMID: 20389022, PMCID: PMC2860930, DOI: 10.1172/jci40145.Peer-Reviewed Original ResearchConceptsNa-Cl cotransporterSodium transportMaintenance of euvolemiaTransepithelial NaCl absorptionDucts of miceEpithelial sodium channelIntravascular volumeIndependent Cl-/HCO3Sodium balanceMouse CCDAmiloride-sensitive epithelial sodium channelSodium absorptionExcretion resultsFluid homeostasisGenetic ablationNaCl absorptionSodium channelsMiceCl-/HCO3NaCl transportSlc4a8Genetic disruptionNovel roleHydrochlorothiazideDuct
2006
Regulation of anion exchanger Slc26a6 by protein kinase C
Hassan HA, Mentone S, Karniski LP, Rajendran VM, Aronson PS. Regulation of anion exchanger Slc26a6 by protein kinase C. American Journal Of Physiology - Cell Physiology 2006, 292: c1485-c1492. PMID: 17151144, DOI: 10.1152/ajpcell.00447.2006.Peer-Reviewed Original ResearchMeSH KeywordsAcetophenonesAnimalsAnion Transport ProteinsAntiportersBenzopyransBiological Transport, ActiveCarbazolesCell MembraneChloridesCytoplasmEnzyme ActivationFemaleFormatesIn Vitro TechniquesIndolesMaleimidesMiceOocytesOxalatesProtein Kinase C-deltaProtein TransportSulfate TransportersTetradecanoylphorbol AcetateXenopusConceptsPKC activationOxalate secretionIntestinal oxalate secretionFormate exchangeRenal proximal tubulesAnion exchanger pendrinPancreatic ductExchanger pendrinProximal tubulesSmall intestineSLC26A6 expressionNaCl reabsorptionCalcium independentSimilar extentPotential rolePKC-delta activationProtein kinase CActivationSecretionSlc26a6Immunofluorescence microscopyXenopus oocytesPMAPhysiological significanceOocyte plasma membraneEssential roles of CFEX-mediated Cl−–oxalate exchange in proximal tubule NaCl transport and prevention of urolithiasis
Aronson PS. Essential roles of CFEX-mediated Cl−–oxalate exchange in proximal tubule NaCl transport and prevention of urolithiasis. Kidney International 2006, 70: 1207-1213. PMID: 16883319, DOI: 10.1038/sj.ki.5001741.Commentaries, Editorials and LettersAnimalsAntiportersCalcium OxalateChloride-Bicarbonate AntiportersChloridesDisease Models, AnimalFormatesHomeostasisHumansHyperoxaluriaImmunohistochemistryIntestinal AbsorptionIon ExchangeKidney Tubules, ProximalMiceMice, KnockoutModels, BiologicalNephrolithiasisOocytesOxalatesSodium ChlorideSulfate TransportersXenopusThe life-extending gene Indy encodes an exchanger for Krebs-cycle intermediates
Knauf F, Mohebbi N, Teichert C, Herold D, Rogina B, Helfand S, Gollasch M, Luft FC, Aronson PS. The life-extending gene Indy encodes an exchanger for Krebs-cycle intermediates. Biochemical Journal 2006, 397: 25-29. PMID: 16608441, PMCID: PMC1479758, DOI: 10.1042/bj20060409.Peer-Reviewed Original ResearchConceptsExternal citrateKrebs cycle intermediatesXenopus oocytesSodium dicarboxylate cotransporterMammalian genesDrosophila melanogasterIndy mutantsLifespan extensionLongevity genesPlasma membraneSubstrate effluxExternal mediumSpecific transport mechanismsFunctional studiesSuccinate uptakeAddition of succinateEnergy metabolismIndyTransportable substratesGenesOocytesEffluxMelanogasterMutantsSuccinate
2004
WNK4 regulates apical and basolateral Cl– flux in extrarenal epithelia
Kahle KT, Gimenez I, Hassan H, Wilson FH, Wong RD, Forbush B, Aronson PS, Lifton RP. WNK4 regulates apical and basolateral Cl– flux in extrarenal epithelia. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 2064-2069. PMID: 14769928, PMCID: PMC357052, DOI: 10.1073/pnas.0308434100.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternCarrier ProteinsCell PolarityChloridesEpitheliumHumansImmunohistochemistryIon TransportKidneyMembrane ProteinsMembrane Transport ProteinsMiceOocytesProtein Serine-Threonine KinasesRNA, MessengerSodium-Potassium-Chloride SymportersSolute Carrier Family 12, Member 2Sulfate TransportersXenopus laevisConceptsCl fluxBlood-brain barrierUnrelated ion channelsActivity of mediatorsWNK4 mRNABile ductPancreatic ductExtrarenal expressionExtrarenal tissuesCl(-) handlingPseudohypoaldosteronism type IIChannel ROMKNaCl reabsorptionSerine-threonine kinase WNK4Specialized endotheliumExchanger SLC26A6NaCl cotransporterWNK4 effectsColonic cryptsEpitheliumVariable inhibitionSweat ductsTight junctionsKidneyElectrolyte flux