2006
The connecting tubule is the main site of the furosemide-induced urinary acidification by the vacuolar H+-ATPase
Kovacikova J, Winter C, Loffing-Cueni D, Loffing J, Finberg K, Lifton R, Hummler E, Rossier B, Wagner C. The connecting tubule is the main site of the furosemide-induced urinary acidification by the vacuolar H+-ATPase. Kidney International 2006, 70: 1706-1716. PMID: 16985514, DOI: 10.1038/sj.ki.5001851.Peer-Reviewed Original ResearchMeSH KeywordsAcid-Base EquilibriumAmilorideAnimalsDiureticsEpithelial Sodium ChannelsFurosemideGene Expression RegulationGene Expression Regulation, EnzymologicHydrochlorothiazideHydrogen-Ion ConcentrationKidney Tubules, CollectingKidney Tubules, DistalMetabolic Clearance RateMiceMice, KnockoutNephronsProton-Translocating ATPasesWater-Electrolyte BalanceConceptsUrinary acidificationRenal clearance experimentsEffect of furosemideNormal urinary acidificationLumen-negative voltageNet acid excretionThick ascending limbFinal urinary acidificationKidney-specific inactivationENaC channelsClearance experimentsAcid excretionMouse modelAscending limbFurosemideDuct cellsProton secretionMiceExact localizationReabsorptionMain siteB1 subunitAlpha subunitTubulesFunctional expression
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 levelsTubules
2002
Regulation of the expression of the Cl-/anion exchanger pendrin in mouse kidney by acid-base status
Wagner CA, Finberg KE, Stehberger PA, Lifton RP, Giebisch GH, Aronson PS, Geibel JP. Regulation of the expression of the Cl-/anion exchanger pendrin in mouse kidney by acid-base status. Kidney International 2002, 62: 2109-2117. PMID: 12427135, DOI: 10.1046/j.1523-1755.2002.00671.x.Peer-Reviewed Original ResearchConceptsPendrin-positive cellsAcid-base statusPositive cellsBicarbonate secretionMouse kidneyAcid-base transportKnockout mouse modelProtein expression levelsMetabolic alkalosisDeficient dietExchanger pendrinPendrin expressionMouse modelSensorineural deafnessThyroid glandBicarbonate loadPendred syndromeWestern blottingApical membraneInner earPendrin proteinControl levelsKidneyPendrinProtein levels