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 diet
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
2012
Genetic modifiers of hypertension in soluble guanylate cyclase α1–deficient mice
Buys ES, Raher MJ, Kirby A, Mohd S, Baron DM, Hayton SR, Tainsh LT, Sips PY, Rauwerdink KM, Yan Q, Tainsh RE, Shakartzi HR, Stevens C, Decaluwé K, da Gloria Rodrigues-Machado M, Malhotra R, Van de Voorde J, Wang T, Brouckaert P, Daly MJ, Bloch KD. Genetic modifiers of hypertension in soluble guanylate cyclase α1–deficient mice. Journal Of Clinical Investigation 2012, 122: 2316-2325. PMID: 22565307, PMCID: PMC3366402, DOI: 10.1172/jci60119.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCyclic GMPEndothelium, VascularFemaleGenetic LinkageGenome, HumanGuanylate CyclaseHumansHypertensionMaleMiceMice, KnockoutQuantitative Trait LociRatsReceptors, Cytoplasmic and NuclearReninRenin-Angiotensin SystemSecond Messenger SystemsSoluble Guanylyl CyclaseSpecies SpecificityVasodilationConceptsNitric oxideEndothelium-dependent vasorelaxationOnset of hypertensionVascular smooth muscleNO/cGMPSoluble guanylate cyclaseAdditional genetic factorsAldosterone systemRAAS inhibitionArterial pressureMale miceHypertensionSmooth muscleBlood flowGuanylate cyclaseMouse strainsΑ1 subunitGenetic factorsMiceReceptor componentsGenetic modifiersVasorelaxationRenin
2007
NHE3 phosphorylation at serines 552 and 605 does not directly affect NHE3 activity
Kocinsky HS, Dynia DW, Wang T, Aronson PS. NHE3 phosphorylation at serines 552 and 605 does not directly affect NHE3 activity. American Journal Of Physiology. Renal Physiology 2007, 293: f212-f218. PMID: 17409282, DOI: 10.1152/ajprenal.00042.2007.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-3-isobutylxanthineAnimalsCells, CulturedColforsinCyclic AMP-Dependent Protein KinasesElectrophoresis, Polyacrylamide GelKidneyKidney Tubules, ProximalMaleMicrovilliParathyroid HormonePhosphodiesterase InhibitorsPhosphorylationRatsRats, Sprague-DawleySerineSodiumSodium RadioisotopesSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersStimulation, ChemicalConceptsSerine 552NHE3 phosphorylationNHE3 activityMicrovillar membrane vesiclesPhosphorylation of NHE3Direct phosphorylationPhosphospecific antibodiesSprague-Dawley ratsExchanger type 3PKA activationMembrane vesiclesSite-specific changesPhosphorylationTransport activityOpossum kidney cellsParathyroid hormoneIntravenous infusionRat modelExchange activityKidney cellsOKP cellsNHE3 inhibitionPKACell modelExact roleFlow-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
Low Na intake suppresses expression of CYP2C23 and arachidonic acid-induced inhibition of ENaC
Sun P, Lin D, Wang T, Babilonia E, Wang Z, Jin Y, Kemp R, Nasjletti A, Wang W. Low Na intake suppresses expression of CYP2C23 and arachidonic acid-induced inhibition of ENaC. American Journal Of Physiology. Renal Physiology 2006, 291: f1192-f1200. PMID: 16849695, DOI: 10.1152/ajprenal.00112.2006.Peer-Reviewed Original ResearchMeSH Keywords8,11,14-Eicosatrienoic AcidAnimalsArachidonic AcidCytochrome P-450 CYP2J2Cytochrome P-450 Enzyme SystemEpithelial Sodium ChannelsFemaleIon Channel GatingKidney Tubules, CollectingMaleMembrane PotentialsPatch-Clamp TechniquesRatsRats, Sprague-DawleySodium, DietarySpecific Pathogen-Free OrganismsConceptsExpression of CYP2C23Thick ascending limbMS-PPOHArachidonic acidEpoxyeicosatrienoic acidsDistal nephronNa absorptionInhibitory effectArachidonic acid-induced inhibitionHigh Na dietNa-deficient dietNa transportMicroM arachidonic acidEpithelial Na channelTamm-Horsfall proteinPatch-clamp studiesCortical CDCYP epoxygenaseAcid-induced inhibitionActivity of ENaCNa dietControl ratsRenal cortexPositive tubulesCYP2C23
2003
Expression of ENaC and serum- and glucocorticoid-induced kinase 1 in the rat intestinal epithelium
Coric T, Hernandez N, de la Rosa D, Shao D, Wang T, Canessa CM. Expression of ENaC and serum- and glucocorticoid-induced kinase 1 in the rat intestinal epithelium. AJP Gastrointestinal And Liver Physiology 2003, 286: g663-g670. PMID: 14630642, DOI: 10.1152/ajpgi.00364.2003.Peer-Reviewed Original ResearchMeSH KeywordsAldosteroneAnimalsAntibodies, BlockingAntibody SpecificityBlotting, NorthernCHO CellsColonCricetinaeDNA, ComplementaryEnzyme InductionEpithelial Sodium ChannelsEpitheliumFluorescent Antibody TechniqueImmediate-Early ProteinsIntestinal MucosaNuclear ProteinsPlasmidsProtein Serine-Threonine KinasesRatsRNA, MessengerSignal TransductionSodium ChannelsConceptsDistal colonGlucocorticoid-induced kinase 1Intestinal epitheliumConcentrations of aldosteroneSubunits of ENaCSodium channel activityExpression of ENaCRat intestinal epitheliumKinase 1Aldosterone levelsAldosterone-dependent mannerSingle doseSodium depletionChronic increaseDistal tubulesControl animalsAldosteroneAldosterone inductionRat intestineBasal conditionsColonSodium transportersEpitheliumSites of expressionSGK1Inhibition of heme oxygenase decreases sodium and fluid absorption in the loop of Henle
Wang T, Sterling H, Shao WA, Yan Q, Bailey MA, Giebisch G, Wang WH. Inhibition of heme oxygenase decreases sodium and fluid absorption in the loop of Henle. American Journal Of Physiology. Renal Physiology 2003, 285: f484-f490. PMID: 12890663, DOI: 10.1152/ajprenal.00135.2003.Peer-Reviewed Original ResearchConceptsLoop of HenleThick ascending limbFluid absorptionRenal sodium excretionGlomerular filtration rateRenal clearance studiesNormal rat chowHO-2 expressionRenal clearance methodsInhibitor of HOWestern blot analysisDecrease sodiumHK ratsSodium excretionChromium mesoporphyrinHO-2Normal chowHK dietFiltration rateRat chowVivo microperfusionResult of inhibitionMicroperfusion experimentsClearance studiesClearance methodDistribution and regulation of expression of serum‐ and glucocorticoid‐induced kinase‐1 in the rat kidney
de la Rosa D, Coric T, Todorovic N, Shao D, Wang T, Canessa C. Distribution and regulation of expression of serum‐ and glucocorticoid‐induced kinase‐1 in the rat kidney. The Journal Of Physiology 2003, 551: 455-466. PMID: 12816971, PMCID: PMC2343216, DOI: 10.1113/jphysiol.2003.042903.Peer-Reviewed Original ResearchMeSH KeywordsAdrenalectomyAldosteroneAnimalsAntibodiesAntibody SpecificityBlotting, NorthernBlotting, WesternCells, CulturedDNA, ComplementaryElectrophoresis, Polyacrylamide GelEpithelial CellsGene Expression Regulation, EnzymologicGlucocorticoidsImmediate-Early ProteinsImmunoblottingIn Vitro TechniquesIsoenzymesKidneyKidney TubulesMicroscopy, FluorescenceNuclear ProteinsProtein Serine-Threonine KinasesRatsRats, Sprague-DawleyRNASubcellular FractionsTransfectionConceptsGlucocorticoid-induced kinase 1Kinase 1Ion channelsRegulation of expressionConstitutive high expressionBasolateral membraneRenal epithelial cellsSubcellular localizationLevel of expressionRegulation of levelsEpithelial ion channelsSGK1 proteinMammalian kidneyApical membraneDirect interactionSGK1Epithelial cellsWestern blottingHigh expressionExpressionExpression of SGK1ProteinRat kidneyTransportersPhysiological changesThe Effects of the Potassium Channel Opener Minoxidil on Renal Electrolytes Transport in the Loop of Henle
Wang T. The Effects of the Potassium Channel Opener Minoxidil on Renal Electrolytes Transport in the Loop of Henle. Journal Of Pharmacology And Experimental Therapeutics 2003, 304: 833-840. PMID: 12538840, DOI: 10.1124/jpet.102.043380.Peer-Reviewed Original ResearchConceptsLoop of HenleUrine volumePotassium channel opener minoxidilATP-sensitive potassium channelsChannel opener minoxidilK channel openerGlomerular filtration rateRenal electrolyte transportAddition of minoxidilThick ascending limbVivo microperfusion techniquesAntinatriuretic actionNatriuretic effectBlood pressureUrinary excretionFiltration rateChannel openersIntravenous injectionRenal clearanceAscending limbK cotransporterPerfusion fluidMinoxidilMicroperfusion techniqueHenle
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
1998
Effect of metabolic acidosis on NaCl transport in the proximal tubule
Wang T, Egbert A, Aronson P, Giebisch G. Effect of metabolic acidosis on NaCl transport in the proximal tubule. American Journal Of Physiology 1998, 274: f1015-f1019. PMID: 9841491, DOI: 10.1152/ajprenal.1998.274.6.f1015.Peer-Reviewed Original ResearchConceptsMetabolic acidosisProximal tubulesNaCl reabsorptionRat proximal tubule segmentsAcidotic ratsNaCl transportNaCl absorptionLate proximal tubuleProximal tubule segmentsControl ratsCapillary perfusateBicarbonate absorptionNephron segmentsAcidosisTubule segmentsRatsRecent evidenceJclTubulesFormate exchangeReabsorptionDifferential regulation
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
Mechanisms of stimulation of proximal tubule chloride transport by formate and oxalate
Wang T, Egbert AL, Abbiati T, Aronson PS, Giebisch G. Mechanisms of stimulation of proximal tubule chloride transport by formate and oxalate. American Journal Of Physiology 1996, 271: f446-f450. PMID: 8770178, DOI: 10.1152/ajprenal.1996.271.2.f446.Peer-Reviewed Original ResearchEffects 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 ResearchConceptsLate 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
1995
Effects of chronic hyperfiltration on proximal tubule bicarbonate transport and cell electrolytes
Ohno A, Beck F, Pfaller W, Giebisch G, Wang T. Effects of chronic hyperfiltration on proximal tubule bicarbonate transport and cell electrolytes. Kidney International 1995, 48: 712-721. PMID: 7474656, DOI: 10.1038/ki.1995.342.Peer-Reviewed Original ResearchConceptsNa/H exchangeProximal tubulesUNX ratsK-ATPase activityBicarbonate absorptionBicarbonate transportChronic hyperfiltrationRemnant kidneyUnilateral nephrectomyFiltration rateCortical tubulesRenal clearanceBicarbonate levelsH secretionFluid absorptionMaximal transport rateBasolateral ion transportCompensatory responseMarked stimulationRubidium uptakeSimilar stimulationCell ion concentrationsBasolateral NaTubulesUNXEffects of a novel KATP channel blocker on renal tubule function and K channel activity.
Wang T, Wang W, Klein-Robbenhaar G, Giebisch G. Effects of a novel KATP channel blocker on renal tubule function and K channel activity. Journal Of Pharmacology And Experimental Therapeutics 1995, 273: 1382-9. PMID: 7791111.Peer-Reviewed Original ResearchConceptsKATP channel blockerLoop of HenleCortical collecting tubuleThick ascending limbPotassium secretionChannel blockersCollecting tubuleAscending limbPotassium recyclingRenal tubule functionK channel activitySodium reabsorptionTubule functionCl reabsorptionK secretionPotassium conductanceApical potassium conductancePrincipal cellsSecretionChannel activityBlockersHenleReabsorptionLimbRecent studiesStimulation of chloride transport by cAMP in rat proximal tubules
Wang T, Segal AS, Giebisch G, Aronson PS. Stimulation of chloride transport by cAMP in rat proximal tubules. American Journal Of Physiology 1995, 268: f204-f210. PMID: 7864157, DOI: 10.1152/ajprenal.1995.268.2.f204.Peer-Reviewed Original ResearchConceptsRat proximal tubuleProximal tubulesDibutyryl cAMPCapillary perfusateLate proximal tubuleProximal tubule cellsCl- channel blockerCl- channelsTranscellular Cl absorptionAddition of forskolinLuminal DIDSSensitive Cl- channelBasolateral membraneLuminal perfusateTubule cellsCAMP productionFluid absorptionCl absorptionMM ClPerfusateJclRecent evidenceLuminal membraneTubulesEffect of cAMPEffects 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
1993
Renal bicarbonate reabsorption in the rat. IV. Bicarbonate transport mechanisms in the early and late distal tubule.
Wang T, Malnic G, Giebisch G, Chan Y. Renal bicarbonate reabsorption in the rat. IV. Bicarbonate transport mechanisms in the early and late distal tubule. Journal Of Clinical Investigation 1993, 91: 2776-2784. PMID: 8390489, PMCID: PMC443344, DOI: 10.1172/jci116519.Peer-Reviewed Original ResearchConceptsLate distal tubuleEarly distal tubuleDistal tubulesBicarbonate absorptionTubule segmentsFluid absorptionBicarbonate transportLuminal bicarbonate concentrationNet bicarbonate transportRenal bicarbonate reabsorptionLow K dietDistal tubule segmentsBicarbonate concentrationK-ATPase inhibitorPmol/minK dietBicarbonate secretionMicroperfusion experimentsBicarbonate reabsorptionH-ATPaseTubulesBafilomycin A1High rateRatsATPase inhibitor