2023
High dietary K+ intake inhibits proximal tubule transport
Wang T, Liu T, Xu S, Frindt G, Weinstein A, Palmer L. High dietary K+ intake inhibits proximal tubule transport. American Journal Of Physiology. Renal Physiology 2023, 325: f224-f234. PMID: 37318989, PMCID: PMC10396284, DOI: 10.1152/ajprenal.00013.2023.Peer-Reviewed Original ResearchConceptsGlomerular filtration rateFree-flow micropunctureFiltration rateUrine volumeFractional NaNephron segmentsOverall kidney functionProximal tubule transportProximal tubule functionNHE3 protein expressionExchanger isoform 3HK animalsKCl dietFraction excretionKidney functionHigh dietaryTubule functionKidney microsomesTubule transportAnesthetized animalsProximal tubulesVolume reabsorptionExcretionWestern blotControl dietHigh Dietary K Intake Inhibits Proximal Tubule Transport and Reduces GFR
Wang T, Liu T, Xu S, Frindt G, Palmer L, Weinstein A. High Dietary K Intake Inhibits Proximal Tubule Transport and Reduces GFR. Physiology 2023, 38: 5731363. DOI: 10.1152/physiol.2023.38.s1.5731363.Peer-Reviewed Original ResearchGlomerular filtration rateTF/PProximal tubulesUrine volumeTubular fluidDistal NaFractional NaReduction of GFRNephron segmentsFree-flow micropunctureOverall kidney functionDistal nephron segmentsProximal nephron segmentsKidney functionFiltration ratePt-NaFiltered loadLate DCTProximal adjustmentsModulation of NaTubule transportFractional deliveryFluid absorptionPT transportRats
2022
Regulation of glomerulotubular balance. IV. Implication of aquaporin 1 in flow-dependent proximal tubule transport and cell volume
Du Z, Yan Q, Shen E, Weinstein A, Wang T. Regulation of glomerulotubular balance. IV. Implication of aquaporin 1 in flow-dependent proximal tubule transport and cell volume. American Journal Of Physiology. Renal Physiology 2022, 323: f642-f653. PMID: 36108052, PMCID: PMC9705020, DOI: 10.1152/ajprenal.00167.2022.Peer-Reviewed Original ResearchConceptsKO miceProximal tubulesMouse proximal tubulesWater reabsorptionAcid-base parametersKnockout miceAquaporin 1 knockout miceAquaporin-1Rat kidneyRenal clearance experimentsProximal tubule transportWater channel aquaporin-1Significant differencesHigh urine flowRat proximal tubuleKidney proximal tubulesWT miceUrine flowClearance experimentsGlomerulotubular balanceBlood pHTubule transportAQP1 knockout miceMiceFluid absorption
2017
Gender difference in kidney electrolyte transport. I. Role of AT1a receptor in thiazide-sensitive Na+-Cl− cotransporter activity and expression in male and female mice
Li J, Hatano R, Xu S, Wan L, Yang L, Weinstein AM, Palmer L, Wang T. Gender difference in kidney electrolyte transport. I. Role of AT1a receptor in thiazide-sensitive Na+-Cl− cotransporter activity and expression in male and female mice. American Journal Of Physiology. Renal Physiology 2017, 313: f505-f513. PMID: 28566500, PMCID: PMC5582908, DOI: 10.1152/ajprenal.00087.2017.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin IIAnimalsDiuresisFemaleHydrochlorothiazideKidneyMaleMice, KnockoutNatriuresisPhenotypeProtein Serine-Threonine KinasesReceptor, Angiotensin, Type 1Receptors, DrugSex CharacteristicsSodium Chloride SymportersSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersSolute Carrier Family 12, Member 3ConceptsUrine volumeKO miceCotransporter activityRenal clearance experimentsReceptor knockout miceGlomerular filtration rateBolus intravenous injectionDelivery of NaClNCC protein expressionGender differencesFiltration rateFemale miceAT1A receptorClearance experimentsKO animalsIntravenous injectionNCC expressionDistal nephronFractional NaKnockout miceMale KOProximal tubulesHCTZMiceNHE3 expression
2015
Regulation of glomerulotubular balance. III. Implication of cytosolic calcium in flow-dependent proximal tubule transport
Du Z, Weinbaum S, Weinstein AM, Wang T. Regulation of glomerulotubular balance. III. Implication of cytosolic calcium in flow-dependent proximal tubule transport. American Journal Of Physiology. Renal Physiology 2015, 308: f839-f847. PMID: 25651568, PMCID: PMC4398834, DOI: 10.1152/ajprenal.00601.2014.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBicarbonatesBiological TransportCalciumCalcium-Transporting ATPasesChelating AgentsCytosolEnzyme InhibitorsIn Vitro TechniquesInositol 1,4,5-Trisphosphate ReceptorsKidney Tubules, ProximalKineticsMice, Inbred C57BLPerfusionRenal ReabsorptionSodiumSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersConceptsNa/H exchanger 3Flow-induced increaseGlomerulotubular balanceProximal tubulesHCO3- reabsorptionCytosolic calciumAngiotensin II receptorsProximal tubule transportReceptor-mediated intracellularReabsorption of fluidMouse proximal tubulesChelator BAPTA-AMPerfusion rateH-ATPase activityControl tubulesII receptorsTubule transportBAPTA-AMInhibitor thapsigarginExchanger 3ReabsorptionBaseline flowHCO3- transportTubulesBAPTA
2013
REGULATION OF GLOMERULOTUBULAR BALANCE IV: IMPLICATION OF AQUAPORIN 1 IN FLOW‐DEPENDENT TRANSPORT AND CELL VOLUME
Du Z, Yan Q, Weinbaum S, Weinstein A, Wang T. REGULATION OF GLOMERULOTUBULAR BALANCE IV: IMPLICATION OF AQUAPORIN 1 IN FLOW‐DEPENDENT TRANSPORT AND CELL VOLUME. The FASEB Journal 2013, 27: 912.27-912.27. DOI: 10.1096/fasebj.27.1_supplement.912.27.Peer-Reviewed Original ResearchKO miceProximal tubulesAQP-1Proximal NaPerfusion rateWT miceFlow-dependent changesCell volumeVolume reabsorptionWater reabsorptionMiceMouse kidneyHCO-3ReabsorptionPeritubular membraneSignificant differencesTubulesAquaporin-1Flow-dependent transportKOH-ATPaseKidneyPrincipal pathwayMicroperfusionPathway
2012
Regulation of glomerulotubular balance. I. Impact of dopamine on flow-dependent transport
Du Z, Yan Q, Wan L, Weinbaum S, Weinstein AM, Wang T. Regulation of glomerulotubular balance. I. Impact of dopamine on flow-dependent transport. American Journal Of Physiology. Renal Physiology 2012, 303: f386-f395. PMID: 22552936, PMCID: PMC3433864, DOI: 10.1152/ajprenal.00531.2011.Peer-Reviewed Original ResearchMeSH Keywords8-Bromo Cyclic Adenosine MonophosphateAlgorithmsAnimalsBenzazepinesBicarbonatesBiological Transport, ActiveChloridesCyclic AMP-Dependent Protein KinasesDopamineDopamine AntagonistsDopamine D2 Receptor AntagonistsFemaleIsoquinolinesKidney GlomerulusKidney TubulesKidney Tubules, ProximalMacrolidesMiceMicrovilliProton-Translocating ATPasesReceptors, Dopamine D1SodiumSulfonamidesSulpirideConceptsNa/H exchanger 3Impact of dopamineMouse proximal tubulesLuminal flowGlomerulotubular balanceCl reabsorptionProximal tubulesNa-K-ATPase activityProximal tubule reabsorptionPKA-mediated mechanismLuminal flow rateLuminal dopamineDA1 receptorsTubule reabsorptionPKA inhibitor H89Exogenous dopamineH-ATPase activityReabsorptive fluxReabsorptionDopamineNHE3 activityInhibitor H89Perfusion conditionsCoordinated modulationFlow stimulationEffect of Acute Infusion of Low‐Molecular‐Weight Polyvinylpyrrolidone on Renal Function
Yan Q, Du Z, Wan L, Beck F, Giebisch G, Wang T. Effect of Acute Infusion of Low‐Molecular‐Weight Polyvinylpyrrolidone on Renal Function. The FASEB Journal 2012, 26: 1100.2-1100.2. DOI: 10.1096/fasebj.26.1_supplement.1100.2.Peer-Reviewed Original ResearchBlood urea nitrogenGlomerular filtration rateNatriuretic effectRenal functionProximal tubular absorptionPVP storage diseaseLong-term administrationMonocyte/macrophage systemAcute infusionKaliuretic effectRenal damageRenal failureRenal injuryTubular absorptionUrine volumeFiltration rateClearance experimentsUrea nitrogenProximal tubulesInfusionNephron segmentsMacrophage systemElectrolyte absorptionPlasma expanderExcretion
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 microscopyDOPAMINE MODULATES FLOW‐DEPENDENT TRANSPORT BY NHE3, BUT NOT H+‐ATPASE, IN MOUSE PROXIMAL TUBULES
Du Z, Gotoh N, Weinbaum S, Weinstein A, Wang T. DOPAMINE MODULATES FLOW‐DEPENDENT TRANSPORT BY NHE3, BUT NOT H+‐ATPASE, IN MOUSE PROXIMAL TUBULES. The FASEB Journal 2011, 25: 1041.18-1041.18. DOI: 10.1096/fasebj.25.1_supplement.1041.18.Peer-Reviewed Original ResearchEffects of DAProximal tubule transportSimilar inhibitory effectPKA-mediated mechanismReabsorption of fluidPmol/min/Mouse proximal tubulesLuminal dopaminePerfusion rateLuminal perfusion rateKidney proximalPresence of DATubule transportProximal tubulesInhibitory effectJHCO3JNaSCH23390Min/Different signaling mechanismsInhibitor H89NHE3High perfusion ratesPrevious reportsFlow-dependent transportGENDER DIFFERENCE IN MODULATION OF ANGIOTENSIN II TYPE 2 RECEPTOR (AT2) FUNCTION AND EXPRESSION IN AT1A RECEPTOR‐DEFICIENT MICE
Yan Q, Wan L, Du Z, Gotoh N, Wang T. GENDER DIFFERENCE IN MODULATION OF ANGIOTENSIN II TYPE 2 RECEPTOR (AT2) FUNCTION AND EXPRESSION IN AT1A RECEPTOR‐DEFICIENT MICE. The FASEB Journal 2011, 25: 835.9-835.9. DOI: 10.1096/fasebj.25.1_supplement.835.9.Peer-Reviewed Original ResearchGlomerular filtration rateUrine volumeAT2 receptorsProximal tubulesAT1A receptor-deficient miceNull miceExpression levelsReceptor-deficient miceKidneys of malesFemale null miceMale null miceAT2 inhibitorNatriuretic effectRenal functionAT2 expressionWT miceFiltration rateBolus injectionReal-time PCRRenal clearancePD123319ENaC expressionReceptor functionMiceReceptors
2010
Mechanotransduction in the renal tubule
Weinbaum S, Duan Y, Satlin LM, Wang T, Weinstein AM. Mechanotransduction in the renal tubule. American Journal Of Physiology. Renal Physiology 2010, 299: f1220-f1236. PMID: 20810611, PMCID: PMC3006307, DOI: 10.1152/ajprenal.00453.2010.Peer-Reviewed Original ResearchROLE OF DOPAMINE IN MODULATING FLOW‐DEPENDENT SODIUM AND BICARBONATE TRANSPORT IN MOUSE PROXIMAL TUBULE
Du Z, Yan Q, Weinbaum S, Weinstein A, Wang T. ROLE OF DOPAMINE IN MODULATING FLOW‐DEPENDENT SODIUM AND BICARBONATE TRANSPORT IN MOUSE PROXIMAL TUBULE. The FASEB Journal 2010, 24: 1024.2-1024.2. DOI: 10.1096/fasebj.24.1_supplement.1024.2.Peer-Reviewed Original ResearchProximal tubule transportEffects of dopamineMouse proximal tubulesTubule transportProximal tubulesNHE3 endocytosisMin/PKA-mediated mechanismRole of dopamineLuminal flow ratePmoles/min/Luminal dopamineKidney proximal tubulesPerfusion rateSodium reabsorptionNet reabsorptionDopamineReabsorptionCAMP-dependent protein kinase inhibitor H89SCH23390SulpirideInhibitor H89TubulesBicarbonate transportHCO-3
2008
Neutrophil gelatinase-associated lipocalin suppresses cyst growth by Pkd1 null cells in vitro and in vivo
Wei F, Karihaloo A, Yu Z, Marlier A, Seth P, Shibazaki S, Wang T, Sukhatme VP, Somlo S, Cantley LG. Neutrophil gelatinase-associated lipocalin suppresses cyst growth by Pkd1 null cells in vitro and in vivo. Kidney International 2008, 74: 1310-1318. PMID: 18974761, PMCID: PMC3793389, DOI: 10.1038/ki.2008.395.Peer-Reviewed Original ResearchConceptsNeutrophil Gelatinase-Associated LipocalinCyst growthGelatinase-associated lipocalinAutosomal dominant polycystic kidney diseaseTubular cell proliferationDominant polycystic kidney diseaseCell linesPolycystic kidney diseasePkd1 mutant miceRenal functionAdenoviral delivery systemAssociated lipocalinKidney diseaseRate of proliferationCyst enlargementProliferative responseRenal epithelial cellsProximal tubulesMutant miceEpithelial cellsFlow stimuliCell proliferationDecreased rateApical ciliaProliferationMouse 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
2006
Flow-activated transport events along the nephron
Wang T. Flow-activated transport events along the nephron. Current Opinion In Nephrology & Hypertension 2006, 15: 530-536. PMID: 16914967, DOI: 10.1097/01.mnh.0000242180.46362.c4.Peer-Reviewed Original ResearchConceptsProximal tubulesCultured proximal tubule cellsGlomerular filtration rateProximal tubule cellsSystemic hormonal regulationMouse proximal tubulesFiltration rateH-ATPase activityHCO3- absorptionTubule cellsReceptor localizationENOS translocationNHE3 activityHormonal regulationBrush border microvilliTubulesNephronSecond messengerUnanswered questionsTransduction mechanismsUse 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
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 proteinsPDZK1
2004
Renal and intestinal transport defects in Slc26a6-null mice
Wang Z, Wang T, Petrovic S, Tuo B, Riederer B, Barone S, Lorenz JN, Seidler U, Aronson PS, Soleimani M. Renal and intestinal transport defects in Slc26a6-null mice. American Journal Of Physiology - Cell Physiology 2004, 288: c957-c965. PMID: 15574486, DOI: 10.1152/ajpcell.00505.2004.Peer-Reviewed Original ResearchConceptsWild-type miceProximal tubulesSlc26a6-null miceHCO3- secretionKidney proximal tubulesApical membrane ClNull miceBaseline rateNormal blood pressureCl-/formate exchangeBlood pressureKidney functionElectrolyte profileMucosal tissuesIntestinal physiologyUssing chambersSmall intestineMiceFluid absorptionNaCl absorptionStatistical significanceCl-/HCO3NaCl transportDuodenumTubules
2003
Role of PKC and calcium in modulation of effects of angiotensin II on sodium transport in proximal tubule
Du Z, Ferguson W, Wang T. Role of PKC and calcium in modulation of effects of angiotensin II on sodium transport in proximal tubule. American Journal Of Physiology. Renal Physiology 2003, 284: f688-f692. PMID: 12527554, DOI: 10.1152/ajprenal.00261.2002.Peer-Reviewed Original ResearchConceptsAng IIM ANG IIProximal tubulesFluid absorptionRole of PKCLuminal ANG IIAng II concentrationsIntracellular calcium mobilizationProximal tubule transportProximal tubular fluidTrimethoxybenzoic acid 8Modulation of effectsCAMP-independent mechanismAngiotensin IIIntracellular calciumTMB-8Calcium mobilizationTubule transportTubular fluidMicroperfusion techniqueSodium transportSuperficial segmentsRabbit kidneyPhysiological concentrationsTubules