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
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
Maxi-K channels contribute to urinary potassium excretion in the ROMK-deficient mouse model of Type II Bartter's syndrome and in adaptation to a high-K diet
Bailey M, Cantone A, Yan Q, MacGregor G, Leng Q, Amorim J, Wang T, Hebert S, Giebisch G, Malnic G. Maxi-K channels contribute to urinary potassium excretion in the ROMK-deficient mouse model of Type II Bartter's syndrome and in adaptation to a high-K diet. Kidney International 2006, 70: 51-59. PMID: 16710355, DOI: 10.1038/sj.ki.5000388.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAnimalsBartter SyndromeBiological TransportDietDisease Models, AnimalHypokalemiaKidney Tubules, DistalLarge-Conductance Calcium-Activated Potassium ChannelsLoop of HenleMiceMice, Mutant StrainsPeptidesPotassiumPotassium Channels, Inwardly RectifyingPotassium, DietaryConceptsLate distal tubuleType II Bartter's syndromePotassium secretionDistal tubulesPotassium excretionRenal potassiumBartter's syndromeUrinary potassium excretionRenal potassium excretionRenal potassium lossFree-flow micropunctureDistal convoluted tubuleWild-type miceLoop of HenleThick ascending limbSalt-wasting disorderPersistent hypokalemiaMaxi-K channelsMouse modelConvoluted tubulesK secretionStationary microperfusionAscending limbHenle's loopSyndrome
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
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
2002
Formate-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 membrane
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 isoformKidneyMicroperfusionEthylisopropylamilorideNephron
2000
Defective fluid and HCO3 − absorption in proximal tubule of neuronal nitric oxide synthase-knockout mice
Wang T, Inglis F, Kalb R. Defective fluid and HCO3 − absorption in proximal tubule of neuronal nitric oxide synthase-knockout mice. American Journal Of Physiology. Renal Physiology 2000, 279: f518-f524. PMID: 10966931, DOI: 10.1152/ajprenal.2000.279.3.f518.Peer-Reviewed Original ResearchMeSH KeywordsAcid-Base EquilibriumAnimalsBicarbonatesBiological TransportBlood Gas AnalysisBody FluidsElectrolytesEnzyme InhibitorsInjections, IntravenousKidney Tubules, ProximalMiceMice, Inbred C57BLMice, KnockoutNG-Nitroarginine Methyl EsterNitric Oxide SynthaseNitric Oxide Synthase Type IPotassiumSodiumConceptsWild-type miceNNOS knockout miceL-NAMEProximal tubulesBlood pressureMetabolic acidosisNeuronal nitric oxide synthase knockout miceNitric oxide synthase knockout miceAbsorption of fluidFluid absorptionNeuronal nitric oxide synthaseRenal clearance techniquesMean blood pressureSignificant metabolic acidosisSynthase knockout miceMonomethyl-L-arginine methyl esterNitric oxide synthaseWild-type control animalsProximal tubule transportLuminal perfusion solutionAcid-base balanceIntravenous bolusUrinary excretionUrine volumeClearance technique
1997
Nitric oxide regulates HCO3- and Na+ transport by a cGMP-mediated mechanism in the kidney proximal tubule
Wang T. Nitric oxide regulates HCO3- and Na+ transport by a cGMP-mediated mechanism in the kidney proximal tubule. American Journal Of Physiology 1997, 272: f242-f248. PMID: 9124402, DOI: 10.1152/ajprenal.1997.272.2.f242.Peer-Reviewed Original ResearchConceptsSodium nitroprussideProximal tubulesKidney proximal tubulesBlood pressureL-NAMENitric oxideNitro-L-arginine methyl esterNitric oxide synthase inhibitorGlomerular filtration rateOxide synthase inhibitorGuanylate cyclase inhibitorUrine flow rateMicroM sodium nitroprussideRenal hemodynamicsFiltration rateRenal excretionRenal clearanceSynthase inhibitorCyclase inhibitorLuminal perfusateRat kidneyMicroperfusion techniqueStimulatory effectSimilar stimulationCyclic monophosphate
1996
Effects of angiotensin II on electrolyte transport in the early and late distal tubule in rat kidney
Wang T, Giebisch G. Effects of angiotensin II on electrolyte transport in the early and late distal tubule in rat kidney. American Journal Of Physiology 1996, 271: f143-f149. PMID: 8760255, DOI: 10.1152/ajprenal.1996.271.1.f143.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin IIAnimalsBicarbonatesBiological TransportBody FluidsElectrolytesKidney Tubules, DistalMalePotassiumRatsRats, Sprague-DawleySodiumConceptsLate distal tubuleEarly distal tubuleAng IIDistal tubulesRat kidneyAng II receptor antagonistsAngiotensin II stimulatesAngiotensin receptor blockersII receptor antagonistsInitial collecting tubuleLuminal administrationCortical nephronsAngiotensin IIIntravenous infusionReceptor antagonistTubular perfusateDistal nephronLuminal applicationCollecting tubuleProximal tubulesSeparate perfusionHigh dosesLow dosesHormone effectsNephron segments
1994
Acidification in mammalian cortical distal tubule
Capasso G, Malnic G, Wang T, Giebisch G. Acidification in mammalian cortical distal tubule. Kidney International 1994, 45: 1543-1554. PMID: 7933802, DOI: 10.1038/ki.1994.204.Peer-Reviewed Original Research
1991
The role of phosphoinositide turnover in mediating the biphasic effect of angiotensin II on renal tubular transport.
Wang T, Chan Y. The role of phosphoinositide turnover in mediating the biphasic effect of angiotensin II on renal tubular transport. Journal Of Pharmacology And Experimental Therapeutics 1991, 256: 309-17. PMID: 1846421.Peer-Reviewed Original ResearchMeSH Keywords1-(5-Isoquinolinesulfonyl)-2-MethylpiperazineAngiotensin IIAnimalsBicarbonatesBiological TransportCalcium Channel BlockersDose-Response Relationship, DrugGallic AcidIsoquinolinesKidney Tubules, ProximalMalePerfusionPhosphatidylinositolsPiperazinesProtein Kinase InhibitorsRatsRats, Inbred StrainsSignal TransductionSodiumTetradecanoylphorbol AcetateConceptsM ANG IIAng IIBiphasic effectAngiotensin IIM TMBDose-dependent biphasic effectSodium transportPhosphoinositide turnoverIntracellular calcium mobilizationRenal tubular transportOriginal perfusateRat PCTLuminal perfusionCalcium mobilizationTubular transportFluid reabsorptionRat kidneyStimulatory effectJHCO3Total CO2 changesVolume markerRinger's solutionPossible roleCritical rolePrevious studies
1990
Time- and dose-dependent effects of protein kinase C on proximal bicarbonate transport
Wang T, Chan Y. Time- and dose-dependent effects of protein kinase C on proximal bicarbonate transport. The Journal Of Membrane Biology 1990, 117: 131-139. PMID: 2120446, DOI: 10.1007/bf01868680.Peer-Reviewed Original ResearchConceptsFluid reabsorptionProtein kinase CDose-dependent effectKinase CDose-response natureOriginal perfusatePerfusion timeΒ-phorbolCapillary perfusionLuminal perfusionPCT transportMaximal effectRenal tubulesBicarbonate absorptionRat kidneyFluid absorptionTotal CO2 changesBrush border membraneBasolateral sideTime-dependent effectsDose responseEIPAAmilorideM PMALuminal sideCholinergic effect on rat proximal convoluted tubule
Wang T, Chan Y. Cholinergic effect on rat proximal convoluted tubule. Pflügers Archiv - European Journal Of Physiology 1990, 415: 533-539. PMID: 2109302, DOI: 10.1007/bf02583503.Peer-Reviewed Original ResearchConceptsProximal convoluted tubulesPCT transportCholinergic effectsCholinergic receptorsCapillary perfusateInhibitory effectCarbachol-induced effectsFunctional cholinergic receptorsProximal tubular absorptionAddition of carbacholBicarbonate Ringer's solutionRenal functionTubular absorptionCholinergic agentsPeritubular capillariesRadioactive inulinSimultaneous perfusionCalcium influxHigh doseConvoluted tubulesCarbacholIonophore ABicarbonate absorptionFluid absorptionBasolateral sideMechanism of angiotensin II action on proximal tubular transport.
Wang T, Chan Y. Mechanism of angiotensin II action on proximal tubular transport. Journal Of Pharmacology And Experimental Therapeutics 1990, 252: 689-95. PMID: 2313594.Peer-Reviewed Original ResearchConceptsAng II actionFluid reabsorptionAng IILuminal perfusionAng II interactsAction of angiotensinAng II antagonistAngiotensin II actionM ANG IIPhosphoinositide turnoverProximal tubular transportRat proximal tubuleNa-H exchange mechanismOriginal perfusateRat PCTAngiotensin IIII antagonistLow dosePCT transportTubular transportProximal tubulesBicarbonate absorptionM amilorideStimulatory effectTotal CO2 changes
1989
Neural control of distal tubular bicarbonate and fluid transport
Wang T, Chan Y. Neural control of distal tubular bicarbonate and fluid transport. American Journal Of Physiology 1989, 257: f72-f76. PMID: 2750926, DOI: 10.1152/ajprenal.1989.257.1.f72.Peer-Reviewed Original ResearchMeSH KeywordsAbsorptionAnimalsBicarbonatesBiological TransportBody WaterDenervationKidney TubulesKidney Tubules, DistalMalePerfusionRatsRats, Inbred StrainsConceptsDistal tubulesRenal nerve activityProximal tubular reabsorptionEarly distal tubuleEffects of denervationLate distal tubuleDenervated kidneysReabsorb bicarbonateSham denervationNerve activityElectrolyte excretionTubular reabsorptionNeural regulationDenervationFluid reabsorptionBicarbonate absorptionFluid absorptionFluid samplesNeural controlVolume markerMicroperfusion methodTubulesBicarbonate concentrationJHCO3Reabsorption