2013
Proximal tubule specific knockout of the Na+/H+ exchanger NHE3: effects on bicarbonate absorption and ammonium excretion
Li H, Du Z, Barone S, Rubera I, McDonough A, Tauc M, Zahedi K, Wang T, Soleimani M. Proximal tubule specific knockout of the Na+/H+ exchanger NHE3: effects on bicarbonate absorption and ammonium excretion. Journal Of Molecular Medicine 2013, 91: 951-963. PMID: 23508938, PMCID: PMC3730089, DOI: 10.1007/s00109-013-1015-3.Peer-Reviewed Original ResearchConceptsKO miceMetabolic acidosisBicarbonate reabsorptionAcid loadNHE3 knockout miceProximal tubule NHE3Mild metabolic acidosisCre transgenic miceExchanger NHE3NH4Cl acid loadMicroperfusion studiesWT miceKnockout miceFloxed miceTransgenic micePathophysiologic statesExcretion rateBicarbonate absorptionNH4Cl loadingMutant miceVolume reabsorptionWestern blotMiceSpecific knockoutAbsorption defect
2012
Regulation of glomerulotubular balance. II. Impact of angiotensin II on flow-dependent transport
Du Z, Wan L, Yan Q, Weinbaum S, Weinstein AM, Wang T. Regulation of glomerulotubular balance. II. Impact of angiotensin II on flow-dependent transport. American Journal Of Physiology. Renal Physiology 2012, 303: f1507-f1516. PMID: 22952281, PMCID: PMC3532483, DOI: 10.1152/ajprenal.00277.2012.Peer-Reviewed Original ResearchAngiotensin IIAngiotensin II Type 1 Receptor BlockersAnimalsBicarbonatesBiological TransportEnzyme InhibitorsFemaleHemostasisIn Vitro TechniquesKidney GlomerulusKidney TubulesLosartanMacrolidesMiceMice, KnockoutModels, AnimalProton-Translocating ATPasesReceptor, Angiotensin, Type 1SodiumSodium-Hydrogen Exchanger 3Sodium-Hydrogen Exchangers
2011
Chloride Channel (Clc)-5 Is Necessary for Exocytic Trafficking of Na+/H+ Exchanger 3 (NHE3)*
Lin Z, Jin S, Duan X, Wang T, Martini S, Hulamm P, Cha B, Hubbard A, Donowitz M, Guggino SE. Chloride Channel (Clc)-5 Is Necessary for Exocytic Trafficking of Na+/H+ Exchanger 3 (NHE3)*. Journal Of Biological Chemistry 2011, 286: 22833-22845. PMID: 21561868, PMCID: PMC3123051, DOI: 10.1074/jbc.m111.224998.Peer-Reviewed Original ResearchConceptsKO miceTrafficking of NHE3Proximal tubulesOpossum kidney cellsNHE3 activityDent's diseaseClC-5Surface expressionNHE3 surface expressionKidney cellsRenal proximal tubulesTotal protein levelsChloride/proton exchangerRates of basalReduced surface expressionKnockdown cellsParathyroid hormoneWT miceDegree of inhibitionCLCN5 geneSurface NHE3MiceTubule perfusionReduced expressionTwo-photon microscopy
2008
Mouse model of type II Bartter's syndrome. II. Altered expression of renal sodium- and water-transporting proteins
Wagner CA, Loffing-Cueni D, Yan Q, Schulz N, Fakitsas P, Carrel M, Wang T, Verrey F, Geibel JP, Giebisch G, Hebert SC, Loffing J. Mouse model of type II Bartter's syndrome. II. Altered expression of renal sodium- and water-transporting proteins. American Journal Of Physiology. Renal Physiology 2008, 294: f1373-f1380. PMID: 18322017, DOI: 10.1152/ajprenal.00613.2007.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAnimalsBartter SyndromeCarrier ProteinsCation Transport ProteinsDinoprostoneDisease Models, AnimalEpithelial Sodium ChannelsKidney Tubules, DistalKidney Tubules, ProximalLoop of HenleMiceMice, Mutant StrainsPotassium Channels, Inwardly RectifyingReverse Transcriptase Polymerase Chain ReactionSodiumSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersSodium-Phosphate Cotransporter Proteins, Type IIaSodium-Potassium-Chloride SymportersSolute Carrier Family 12, Member 1Up-RegulationWaterConceptsThick ascending limbBartter's syndromeBartter-like phenotypeType II Bartter's syndromeWild-type miceAntenatal Bartter syndromeWild-type littermatesROMK null micePlasma aldosteroneMaternal polyhydramniosRenal sodiumVolume depletionRenal tubulopathyMouse modelSemiquantitative immunoblottingProximal tubulesAscending limbKidney homogenatesSyndromeHenle's loopNull miceDCT cellsWater transport proteinsCompensatory mechanismsMice
2007
Flow-dependent transport in a mathematical model of rat proximal tubule
Weinstein A, Weinbaum S, Duan Y, Du Z, Yan Q, Wang T. Flow-dependent transport in a mathematical model of rat proximal tubule. American Journal Of Physiology. Renal Physiology 2007, 292: f1164-f1181. PMID: 17213461, DOI: 10.1152/ajprenal.00392.2006.Peer-Reviewed Original Research
2006
Use of transgenic mice in acid-base balance studies.
Cantone A, Wang T, Pica A, Simeoni M, Capasso G. Use of transgenic mice in acid-base balance studies. Journal Of Nephrology 2006, 19 Suppl 9: s121-7. PMID: 16736435.Peer-Reviewed Original ResearchMeSH KeywordsAcid-Base EquilibriumAcid-Base ImbalanceAnimalsCation Transport ProteinsDisease Models, AnimalDNAGene ExpressionKidney TubulesMembrane ProteinsMiceMice, TransgenicNitric Oxide SynthaseSodium-Bicarbonate SymportersSodium-Hydrogen Exchanger 1Sodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersConceptsAcid-base statusNitric oxide synthaseTransgenic miceMedullary thick ascending limbProximal tubule transportThick ascending limbSubunit expression levelsPotassium-chloride cotransporterKnockout animal modelsAcid-base balanceKidney regulationTransepithelial HCO3- absorptionNatriuretic responseBlood pressureRenal diseaseOxide synthaseDistal nephronAnimal modelsEndothelial isoformTubule transportBasolateral NHE1Proximal tubulesFunction of pendrinAscending limbHCO3- absorption
2005
Axial flow modulates proximal tubule NHE3 and H-ATPase activities by changing microvillus bending moments
Du Z, Yan Q, Duan Y, Weinbaum S, Weinstein AM, Wang T. Axial flow modulates proximal tubule NHE3 and H-ATPase activities by changing microvillus bending moments. American Journal Of Physiology. Renal Physiology 2005, 290: f289-f296. PMID: 16144961, DOI: 10.1152/ajprenal.00255.2005.Peer-Reviewed Original Research
2004
Mechanosensory function of microvilli of the kidney proximal tubule
Du Z, Duan Y, Yan Q, Weinstein AM, Weinbaum S, Wang T. Mechanosensory function of microvilli of the kidney proximal tubule. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 13068-13073. PMID: 15319475, PMCID: PMC516518, DOI: 10.1073/pnas.0405179101.Peer-Reviewed Original Research
2003
Intracellular Na concentration and Rb uptake in proximal convoluted tubule cells and abundance of Na/K-ATPase α1-subunit in NHE3−/− mice
Beck F, Neuhofer W, Dörge A, Giebisch G, Wang T. Intracellular Na concentration and Rb uptake in proximal convoluted tubule cells and abundance of Na/K-ATPase α1-subunit in NHE3−/− mice. Pflügers Archiv - European Journal Of Physiology 2003, 446: 100-105. PMID: 12690468, DOI: 10.1007/s00424-002-1001-z.Peer-Reviewed Original ResearchConceptsIntracellular Na concentrationNa/K-ATPaseΑ1 subunitTubule cellsProximal convoluted tubule cellsDistal convoluted tubuleWild-type miceNa/K-ATPase activityPCT cellsConvoluted tubule cellsIntracellular Cl- concentrationK-ATPaseWestern blot analysisK-ATPase activityNa concentrationRenal cortexCell Na concentrationConvoluted tubulesNa/K-ATPase α1 subunitNa/HNHE3 deficiencyK-ATPase α1-subunitMiceFluid absorption
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 isoformKidneyMicroperfusionEthylisopropylamilorideNephronEssential role of NHE3 in facilitating formate-dependent NaCl absorption in the proximal tubule
Wang T, Yang C, Abbiati T, Shull G, Giebisch G, Aronson P. Essential role of NHE3 in facilitating formate-dependent NaCl absorption in the proximal tubule. American Journal Of Physiology. Renal Physiology 2001, 281: f288-f292. PMID: 11457720, DOI: 10.1152/ajprenal.2001.281.2.f288.Peer-Reviewed Original Research
1999
Mechanism of proximal tubule bicarbonate absorption in NHE3 null mice
Wang T, Yang C, Abbiati T, Schultheis P, Shull G, Giebisch G, Aronson P. Mechanism of proximal tubule bicarbonate absorption in NHE3 null mice. American Journal Of Physiology 1999, 277: f298-f302. PMID: 10444585, DOI: 10.1152/ajprenal.1999.277.2.f298.Peer-Reviewed Original Research
1998
Tubule Function in Transgenic Mice
Wang T, Giebisch G. Tubule Function in Transgenic Mice. Experimental Nephrology 1998, 6: 447-453. PMID: 9730661, DOI: 10.1159/000020554.Peer-Reviewed Original ResearchConceptsRenal tubule transportRenal electrolyte transportStrains of miceExchanger isoforms NHE2Renal transport functionsK-ATPase expressionMouse modelTubule functionTransgenic knockoutTubule transportTransgenic miceExchanger isoforms NHE1MiceTubule segmentsSelective alterationsOverexpression modelElectrolyte transportTransport functionKnockout modelsLesionsKidneyIsoforms NHE1Renal 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 ResearchMeSH KeywordsAnimalsBicarbonatesGene DeletionH(+)-K(+)-Exchanging ATPaseIntestinal AbsorptionIntestinesKidneyMiceMice, KnockoutSodium ChlorideSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersConceptsAcid-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