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
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
2011
DOPAMINE 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 transport
2010
ROLE 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
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
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
2002
Role of iNOS and eNOS in modulating proximal tubule transport and acid-base balance
Wang T. Role of iNOS and eNOS in modulating proximal tubule transport and acid-base balance. American Journal Of Physiology. Renal Physiology 2002, 283: f658-f662. PMID: 12217856, DOI: 10.1152/ajprenal.00243.2001.Peer-Reviewed Original ResearchConceptsNeuronal nitric oxide synthaseInducible NOSEndothelial NOSProximal tubulesKnockout miceRole of iNOSNOS knockout miceENOS knockout miceINOS knockout miceIsoforms of NOSNitric oxide synthaseProximal tubule transportAcid-base statusAcid-base balanceINOS knockoutWild-type controlsKidney proximal tubulesMetabolic acidosisOxide synthaseTubule transportInhibitor LMiceFluid absorptionNOSTubules
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 NHE1
1995
Effects of Glyburide on Renal Tubule Transport and Potassium-Channel Activity
Wang T, Wang W, Klein-Robbenhaar G, Giebisch G. Effects of Glyburide on Renal Tubule Transport and Potassium-Channel Activity. Kidney & Blood Pressure Research 1995, 18: 169-182. PMID: 7481068, DOI: 10.1159/000173914.Peer-Reviewed Original ResearchConceptsThick ascending limbRenal tubule transportEffects of glyburideCortical collecting tubuleK channel activityPatch-clamp techniqueApical K channelsPotassium channel activityElectrolyte excretionRenal clearanceK secretionTubule transportCollecting tubuleAscending limbGlyburideApical membraneK channelsK recyclingTransport of NaKaliuresis