2025
Modulation of the thiol redox proteome by sugarcane ash-derived silica nanoparticles: insights into chronic kidney disease of unknown etiology
Stem A, Michel C, Harris P, Rogers K, Gibb M, Roncal-Jimenez C, Reisdorph R, Johnson R, Roede J, Fritz K, Brown J. Modulation of the thiol redox proteome by sugarcane ash-derived silica nanoparticles: insights into chronic kidney disease of unknown etiology. Particle And Fibre Toxicology 2025, 22: 3. PMID: 39910563, PMCID: PMC11800628, DOI: 10.1186/s12989-025-00619-8.Peer-Reviewed Original ResearchMeSH KeywordsBasic Helix-Loop-Helix Transcription FactorsCell LineChronic Kidney Diseases of Uncertain EtiologyHumansKidney Tubules, ProximalNanoparticlesOccupational ExposureOxidation-ReductionOxidative StressProteomeProteomicsReactive Oxygen SpeciesReceptors, Aryl HydrocarbonRenal Insufficiency, ChronicSaccharumSilicon DioxideSulfhydryl CompoundsConceptsProximal convoluted tubulesActivation of aryl hydrocarbon receptorExposure to silica nanoparticlesDisease of unknown etiologyReactive oxygen speciesKidney proximal convoluted tubuleIncreased reactive oxygen species generationChronic kidney diseaseSignaling pathwayIntroductionChronic kidney diseaseHK-2 cellsReactive oxygen species generationProfile in vitroPotential mechanisms of toxicityMembrane hyperpolarizationCKD progressionUnknown etiologyGeneration of reactive oxygen speciesMitochondrial membrane hyperpolarizationOxygen species generationAryl hydrocarbon receptorEnergy metabolismKidney diseaseConvoluted tubulesMechanisms of toxicity
2024
Efficient and selective kidney targeting by chemically modified carbohydrate conjugates
Kumar V, Wahane A, Tham M, Somlo S, Gupta A, Bahal R. Efficient and selective kidney targeting by chemically modified carbohydrate conjugates. Molecular Therapy 2024, 32: 4383-4400. PMID: 39532098, PMCID: PMC11638880, DOI: 10.1016/j.ymthe.2024.10.020.Peer-Reviewed Original ResearchProximal convoluted tubulesPeptide nucleic acidConvoluted tubulesNucleic acid analogsDecreased collagen depositionAntisense peptide nucleic acidFibrosis mouse modelCarbohydrate conjugatesKidney disease modelsSystemic deliveryFibrosis progressionSmall moleculesKidney cell lineAdverse reactionsMiR-33Mouse modelBiodistribution studiesImmunofluorescence stainingCollagen depositionKidney targetingTargeted deliveryLigandCell linesEndocytic uptakeAcid analogs
2023
63 A Case for Amorphous Silica Nanoparticle Exposure in the Development of Chronic Kidney Disease of Unknown Etiology
Rogers K, Stem A, Roncal C, Johnson R, Brown J. 63 A Case for Amorphous Silica Nanoparticle Exposure in the Development of Chronic Kidney Disease of Unknown Etiology. Annals Of Work Exposures And Health 2023, 67: i54-i55. DOI: 10.1093/annweh/wxac087.132.Peer-Reviewed Original ResearchProximal convoluted tubulesEpithelial-mesenchymal transitionProximal convoluted tubule cellsKidney biopsySilica nanoparticle exposureDisease of unknown etiologyChronic kidney diseaseParticle inductively coupled plasma mass spectrometryEffects of SiNPsUnknown etiologyPCT cellsVimentin stainingKidney diseaseNanoparticle exposureConvoluted tubulesKidney pathologyChronic kidney disease of unknown etiologyCKDu patientsReactive oxygen speciesCellular effectsBiopsyKidneyFocal injuryEtiologyOxygen species66 Sugarcane Ash and Sugarcane Ash-Derived Silica Nanoparticles Alter Mitochondrial Function and Metabolic Activity in Human Proximal Tubular Kidney Cells
Stem A, Rogers K, Roncal-Jimenez C, Johnson R, Brown J. 66 Sugarcane Ash and Sugarcane Ash-Derived Silica Nanoparticles Alter Mitochondrial Function and Metabolic Activity in Human Proximal Tubular Kidney Cells. Annals Of Work Exposures And Health 2023, 67: i92-i93. DOI: 10.1093/annweh/wxac087.226.Peer-Reviewed Original ResearchProximal convoluted tubulesDevelopment of CKDuChanges to cellular metabolismChronic kidney diseaseKidney cellsCellular energetic pathwaysEpidemic of chronic kidney diseaseSeahorse XF AnalyzerProximal tubular kidney cellsPCT cellsReduced ATP generationKidney diseaseTubular kidney cellsMetabolomic analysisConvoluted tubulesGlycolytic reserveMitochondrial functionInhibit mitochondrial functionHK-2Promote mitochondrial dysfunctionHours of exposureTreatmentOxygen consumption rateMitochondrial activityMitochondrial dysfunction
2019
Inhibition of the sodium-glucose co-transporter 2 in the elderly: clinical and mechanistic insights into safety and efficacy
Cintra R, Moura F, Carvalho L, Barreto J, Tambascia M, Pecoits-Filho R, Sposito A. Inhibition of the sodium-glucose co-transporter 2 in the elderly: clinical and mechanistic insights into safety and efficacy. Revista Da Associação Médica Brasileira 2019, 65: 70-86. PMID: 30758423, DOI: 10.1590/1806-9282.65.1.70.Peer-Reviewed Original ResearchConceptsSodium-glucose cotransporter 2 inhibitorsRisk of hypoglycemiaAntidiabetic therapySodium-glucose co-transporter 2High risk of hypoglycemiaIncreased risk of hypoglycemiaPrevalence of type 2 diabetes mellitusType 2 diabetes mellitusRenal proximal convoluted tubulesChronic kidney diseaseCo-morbid diseasesSystolic blood pressurePost hoc studyProximal convoluted tubulesReduced insulin sensitivitySGLT2i therapyMedian ageSodium-glucoseSodium reabsorptionOlder individualsClinical trialsIncreased riskKidney diseaseBlood pressureConvoluted tubules
2018
Potassium conservation is impaired in mice with reduced renal expression of Kir4.1
Malik S, Lambert E, Zhang J, Wang T, Clark H, Cypress M, Goldman B, Porter GA, Pena S, Nino W, Gray D. Potassium conservation is impaired in mice with reduced renal expression of Kir4.1. American Journal Of Physiology. Renal Physiology 2018, 315: f1271-f1282. PMID: 30110571, PMCID: PMC6293297, DOI: 10.1152/ajprenal.00022.2018.Peer-Reviewed Original ResearchMeSH KeywordsAlkalosisAnimalsAquaporin 3Gene Knockdown TechniquesGenotypeHypercalcemiaHyperkalemiaHypernatremiaKidney Concentrating AbilityMice, Inbred C57BLMice, KnockoutNephronsPhenotypePhosphorylationPotassium Channels, Inwardly RectifyingPotassium, DietaryRenal ReabsorptionSolute Carrier Family 12, Member 3ConceptsMg-free dietSevere urinary concentrating defectReduced renal expressionRenal K wastingSeSAME/EAST syndromeDistal convoluted tubuleKir4.1 protein expressionWild-type miceUrinary concentrating defectCre-LoxP methodologyAquaporin 3 expressionRelative hypercalcemiaRenal expressionPotassium conservationMetabolic alkalosisNCC expressionChannel Kir4.1Distal nephronKnockout miceConvoluted tubulesCotransporter expressionEAST syndromeHypokalemiaMiceReduced expression
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 ResearchConceptsNa+/H+ exchanger NHE3Proximal convoluted tubulesKO miceMetabolic acidosisBicarbonate reabsorptionDays of acid loadingIsolated proximal convoluted tubulesConvoluted tubulesIn vitro microperfusion studyCompared to WT miceNHE3 knockout miceProximal tubule NHE3Acid loadNH4Cl acid loadMild metabolic acidosisWT miceNHE3Microperfusion studiesKnockout miceBicarbonate absorptionMutant miceVolume reabsorptionFloxed miceNH4Cl loadingTransgenic mice
2010
In vivo nuclear translocation of mineralocorticoid and glucocorticoid receptors in rat kidney: differential effect of corticosteroids along the distal tubule
Ackermann D, Gresko N, Carrel M, Loffing-Cueni D, Habermehl D, Gomez-Sanchez C, Rossier B, Loffing J. In vivo nuclear translocation of mineralocorticoid and glucocorticoid receptors in rat kidney: differential effect of corticosteroids along the distal tubule. American Journal Of Physiology. Renal Physiology 2010, 299: f1473-f1485. PMID: 20861076, DOI: 10.1152/ajprenal.00437.2010.Peer-Reviewed Original ResearchConceptsAldosterone-sensitive distal nephronThick ascending limbGlucocorticoid receptorLate distal convoluted tubuleLow-dose corticosterone replacementSegment-specific cellsNuclear translocationDietary NaCl loadingDistal convoluted tubuleKidneys of ratsDehydrogenase type 2Proximal tubule cellsAldosterone replacementMineralocorticoid selectivityPlasma aldosteroneCorticosteroid effectsCorticosterone replacementControl ratsDistal tubulesDistal nephronConvoluted tubulesNaCl loadingCorticosterone levelsAscending limbHigh doses
2008
Mouse model of type II Bartter's syndrome. I. Upregulation of thiazide-sensitive Na-Cl cotransport activity
Cantone A, Yang X, Yan Q, Giebisch G, Hebert SC, Wang T. Mouse model of type II Bartter's syndrome. I. Upregulation of thiazide-sensitive Na-Cl cotransport activity. American Journal Of Physiology. Renal Physiology 2008, 294: f1366-f1372. PMID: 18385266, DOI: 10.1152/ajprenal.00608.2007.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAmilorideAnimalsBartter SyndromeCation Transport ProteinsChloridesDisease Models, AnimalDiureticsEpithelial Sodium ChannelsFemaleFurosemideGlomerular Filtration RateHydrochlorothiazideLoop of HenleMaleMiceMice, Mutant StrainsPotassium Channels, Inwardly RectifyingPregnancySodiumSodium-Potassium-Chloride SymportersSolute Carrier Family 12, Member 1Up-RegulationConceptsThick ascending limbExcretion rateWhole kidney glomerular filtration rateKidney glomerular filtration rateFractional excretion rateFurosemide-induced incrementsGlomerular filtration rateType II Bartter's syndromeHyperprostaglandin E syndromeEffect of furosemideDistal nephron segmentsDistal convoluted tubuleExaggerated natriuresisROMK null miceNa excretionFiltration rateRenal saltAbsolute excretionBartter's syndromeE syndromeMouse modelClearance studiesConvoluted tubulesAscending limbNull mice
2006
WNK3, a kinase related to genes mutated in hereditary hypertension with hyperkalaemia, regulates the K+ channel ROMK1 (Kir1.1)
Leng Q, Kahle KT, Rinehart J, MacGregor GG, Wilson FH, Canessa CM, Lifton RP, Hebert SC. WNK3, a kinase related to genes mutated in hereditary hypertension with hyperkalaemia, regulates the K+ channel ROMK1 (Kir1.1). The Journal Of Physiology 2006, 571: 275-286. PMID: 16357011, PMCID: PMC1796803, DOI: 10.1113/jphysiol.2005.102202.Peer-Reviewed Original ResearchConceptsDistal convoluted tubuleInhibition of ROMK1KCNQ1/KCNE1Renal NaCl reabsorptionEpithelial sodium channelAmiloride-sensitive currentDistal nephronVivo effectsConvoluted tubulesKinase-dependent activationQT syndromeNCC activityNaCl reabsorptionNephron segmentsDuct principal cellsHereditary hypertensionSodium channelsPrincipal cellsII cellsRenal NaClSurface expressionXenopus laevis oocytesHypertensionHomeostatic systemDisease
2003
Localization and Regulation of the ATP6V0A4 (a4) Vacuolar H+-ATPase Subunit Defective in an Inherited Form of Distal Renal Tubular Acidosis
Stehberger PA, Schulz N, Finberg KE, Karet FE, Giebisch G, Lifton RP, Geibel JP, Wagner CA. Localization and Regulation of the ATP6V0A4 (a4) Vacuolar H+-ATPase Subunit Defective in an Inherited Form of Distal Renal Tubular Acidosis. Journal Of The American Society Of Nephrology 2003, 14: 3027-3038. PMID: 14638902, DOI: 10.1097/01.asn.0000099375.74789.ab.Peer-Reviewed Original ResearchConceptsDistal renal tubular acidosisRenal tubular acidosisLoop of HenleProximal tubulesTubular acidosisMouse kidneyA4 expressionDistal tubulesDistal convoluted tubuleProtein expression levelsElectrolyte intakeA4 proteinConvoluted tubulesMouse nephron segmentsNephron segmentsApical stainingWestern blottingAcidosisProtein expressionKidneyATPase activityDistal portionHenleExpression levelsTubulesIntracellular 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 ResearchConceptsNhe3-/- miceCell Na concentrationIntracellular Na concentrationProximal convoluted tubulesNhe3-/-Proximal convoluted tubule cellsNa/K-ATPaseNa/H exchanger isoform 3Rb uptakeConvoluted tubulesExpression of Na/K-ATPaseApical Na entryExchanger isoform 3Intracellular Cl- concentrationNa/K-ATPase activityDistal convoluted tubuleConvoluted tubule cellsApical NHE3NHE3 deficiencyNa entryIntercalated cellsWestern blot analysisNa concentrationTubule cellsRenal cortex
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 isoformKidneyMicroperfusionEthylisopropylamilorideNephronExpression of Tumor Necrosis Factor Receptors in Normal Kidney and Rejecting Renal Transplants
Al-Lamki R, Wang J, Skepper J, Thiru S, Pober J, Bradley J. Expression of Tumor Necrosis Factor Receptors in Normal Kidney and Rejecting Renal Transplants. Laboratory Investigation 2001, 81: 1503-1515. PMID: 11706058, DOI: 10.1038/labinvest.3780364.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAntigens, CDColoring AgentsEosine Yellowish-(YS)Fluorescent DyesGene ExpressionGraft RejectionHematoxylinHumansKidneyKidney Failure, ChronicKidney TransplantationMicroscopy, ImmunoelectronReceptors, Tumor Necrosis FactorReceptors, Tumor Necrosis Factor, Type IReceptors, Tumor Necrosis Factor, Type IITumor Necrosis Factor-alphaConceptsDistal convoluted tubuleNormal kidneyTubular epithelial cellsTNFR-1Renal transplantEpithelial cellsTNFR-2Acute cellular rejectionTNFR-1 expressionAcute transplant rejectionTumor necrosis factor receptorEndothelium of glomeruliNecrosis factor receptorInteraction of TNFAcute rejectionCellular rejectionTNFR expressionTransplant rejectionCultured cellsConvoluted tubulesRenal kidneyTNF receptorTNFKidneyHuman kidney
1997
Cloning and localization of a double-pore K channel, KCNK1: exclusive expression in distal nephron segments
Orias M, Velázquez H, Tung F, Lee G, Desir G. Cloning and localization of a double-pore K channel, KCNK1: exclusive expression in distal nephron segments. American Journal Of Physiology 1997, 273: f663-f666. PMID: 9362344, DOI: 10.1152/ajprenal.1997.273.4.f663.Peer-Reviewed Original ResearchConceptsThick ascending limbAscending limbK channelsCortical thick ascending limbMedullary thick ascending limbDistal nephron segmentsReverse transcription-polymerase chain reactionDistal convoluted tubuleTranscription-polymerase chain reactionDistal tubulesConvoluted tubulesProximal tubulesNephron segmentsHigh expressionNephron segment localizationK homeostasisChain reactionHuman kidney cDNATubulesSegment localizationExclusive expressionKCNK1LimbPore regionKidney cDNA
1995
Expression of NHE-3 in the apical membrane of rat renal proximal tubule and thick ascending limb
Amemiya M, Loffing J, Lötscher M, Kaissling B, Alpern R, Moe O. Expression of NHE-3 in the apical membrane of rat renal proximal tubule and thick ascending limb. Kidney International 1995, 48: 1206-1215. PMID: 8569082, DOI: 10.1038/ki.1995.404.Peer-Reviewed Original ResearchConceptsThick ascending limbAscending limbNHE-3H secretionNa/H exchanger isoformsProximal tubulesCortical thick ascending limbNa/H exchange activityS3 proximal tubuleDistal convoluted tubuleRat renal proximal tubulesNa/H exchangeH exchange activityRenal proximal tubulesRat NHE-3Apical membraneAbsent stainingMock-transfected cellsCortical membranesConvoluted tubulesInner stripeStrong stainingWeak stainingOuter medullaNa absorption
1992
Immunocytochemical characterization of Na(+)-H+ exchanger isoform NHE-1 in rabbit kidney
Biemesderfer D, Reilly RF, Exner M, Igarashi P, Aronson PS. Immunocytochemical characterization of Na(+)-H+ exchanger isoform NHE-1 in rabbit kidney. American Journal Of Physiology 1992, 263: f833-f840. PMID: 1279986, DOI: 10.1152/ajprenal.1992.263.5.f833.Peer-Reviewed Original ResearchConceptsNHE-1 proteinNHE-1Rabbit kidneyDistal convoluted tubuleMultiple nephron segmentsThick ascending limbWestern blot analysisRenal cortexRabbit renal cortexConvoluted tubulesProximal tubulesAscending limbRabbit nephronTubule cellsGuinea pigsLLC-PK1 cellsNephron segmentsIndirect immunofluorescenceKidneyImmunocytochemical characterizationPrincipal cellsExchanger isoformsBlot analysisFusion proteinAntibodiesHydroxypropylcyclodextrins in Parenteral Use. II: Effects on Transport and Disposition of Lipids in Rabbit and Humans
Irie T, Fukunaga K, Garwood M, Carpenter T, Pitha J, Pitha J. Hydroxypropylcyclodextrins in Parenteral Use. II: Effects on Transport and Disposition of Lipids in Rabbit and Humans. Journal Of Pharmaceutical Sciences 1992, 81: 524-528. PMID: 1522488, DOI: 10.1002/jps.2600810610.Peer-Reviewed Original ResearchConceptsTotal cholesterolHyperlipidemic Watanabe rabbitsOnly untoward effectSingle intravenous administrationProximal convoluted tubulesDisposition of lipidsIntravenous infusionHypervitaminosis ARepeated administrationThoracic aortaWatanabe rabbitsIntravenous administrationUntoward effectsAtherosclerotic lesionsSingle injectionConvoluted tubulesParenteral administrationParenteral useCholesterolAdministrationSlight reliefPatientsInfusionRabbitsHydroxypropyl-beta
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 ResearchConceptsProximal convoluted tubulesProtein kinase CKinase CFluid reabsorptionPCT transportRate of bicarbonate absorptionEffects of protein kinase CActivation of endogenous protein kinase CEndogenous protein kinase CActivation of protein kinase CBicarbonate transport activityInhibition of transport processesDose-dependent effectActivate protein kinase COriginal perfusateBasolateral sideDose-response natureBicarbonate absorptionBrush-border membranePerfusion timeMaximal effectConvoluted tubulesLuminal perfusionRat kidneyRenal tubulesCholinergic 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 ResearchConceptsPCT transportProximal convoluted tubulesA-23187Cholinergic receptorsHigher doses of carbacholInhibitory effect of carbacholRate of bicarbonate absorptionConvoluted tubulesCholinergic effectsRegulation of renal functionRat proximal convoluted tubuleEffects of cholinergic agentsEffect of carbacholAddition of carbacholDose of carbacholFunctional cholinergic receptorsCarbachol-induced effectsProximal tubular absorptionIonophore A-23187Bicarbonate-Ringer solutionInhibitory effectNO effectRenal functionBasolateral sideCalcium influx
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply