2005
The B1-subunit of the H+ ATPase is required for maximal urinary acidification
Finberg KE, Wagner CA, Bailey MA, Păunescu T, Breton S, Brown D, Giebisch G, Geibel JP, Lifton RP. The B1-subunit of the H+ ATPase is required for maximal urinary acidification. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 13616-13621. PMID: 16174750, PMCID: PMC1224669, DOI: 10.1073/pnas.0506769102.Peer-Reviewed Original ResearchConceptsMaximal urinary acidificationNormal urinary acidificationMetabolic acidosisUrinary acidificationDistal renal tubular acidosisAcid challengeRenal tubular acidosisAcute intracellular acidificationB1 subunitLumen-negative potentialFurosemide infusionTubular acidosisAlkaline urineDistal nephronGreater severityAcidosisMiceLoss of B1Intracellular acidificationApical expressionUrineDuctFurther decreaseIsoformsPlasma membrane
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 ResearchMeSH KeywordsAcid-Base EquilibriumAcidosis, Renal TubularAnimalsHumansKidneyMaleMiceMice, Inbred C57BLProteinsProton-Translocating ATPasesVacuolar Proton-Translocating ATPasesConceptsDistal 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
1999
Localization of a Gene for Autosomal Recessive Distal Renal Tubular Acidosis with Normal Hearing ( rdRTA2 ) to 7q33-34
Karet F, Finberg K, Nayir A, Bakkaloglu A, Ozen S, Hulton S, Sanjad S, Al-Sabban E, Medina J, Lifton R. Localization of a Gene for Autosomal Recessive Distal Renal Tubular Acidosis with Normal Hearing ( rdRTA2 ) to 7q33-34. American Journal Of Human Genetics 1999, 65: 1656-1665. PMID: 10577919, PMCID: PMC1288376, DOI: 10.1086/302679.Peer-Reviewed Original ResearchMeSH KeywordsAcidosis, Renal TubularAdenosine TriphosphatasesAdultAnion Transport ProteinsAntiportersChildChild, PreschoolChromosome MappingChromosomes, Human, Pair 2Chromosomes, Human, Pair 7ConsanguinityDNA Mutational AnalysisFemaleGenes, RecessiveHearingHumansHydrogen-Ion ConcentrationInfantInfant, NewbornLod ScoreMaleMembrane ProteinsMiddle EastMolecular Sequence DataPakistanPedigreePolymorphism, Single-Stranded ConformationalSLC4A ProteinsConceptsDistal renal tubular acidosesSensorineural hearing lossNormal hearingProgressive bilateral sensorineural hearing lossBilateral sensorineural hearing lossAutosomal recessive distal renal tubular acidosisDistal renal tubular acidosisRecessive distal renal tubular acidosisSevere metabolic acidosisRenal tubular acidosisRenal tubular acidosesMetabolic acidosisTubular acidosisRenal calcificationHearing lossAlkaline urineATP6B1Distal nephronImpaired hearingApical proton pumpChildhood featuresAcidosisOne-thirdMolecular examinationHearingMutations in the gene encoding B1 subunit of H+-ATPase cause renal tubular acidosis with sensorineural deafness
Karet F, Finberg K, Nelson R, Nayir A, Mocan H, Sanjad S, Rodriguez-Soriano J, Santos F, Cremers C, Pietro A, Hoffbrand B, Winiarski J, Bakkaloglu A, Ozen S, Dusunsel R, Goodyer P, Hulton S, Wu D, Skvorak A, Morton C, Cunningham M, Jha V, Lifton R. Mutations in the gene encoding B1 subunit of H+-ATPase cause renal tubular acidosis with sensorineural deafness. Nature Genetics 1999, 21: 84-90. PMID: 9916796, DOI: 10.1038/5022.Peer-Reviewed Original ResearchConceptsRenal tubular acidosisTubular acidosisAcid secretionDistal renal tubular acidosisSensorineural hearing lossRenal acid secretionNormal auditory functionActive proton secretionMetabolic acidosisATP6B1Hearing lossAuditory functionSensorineural deafnessEndolymphatic sacApical proton pumpAcidosisSecretionProton secretionB subunitB1 subunitHuman diseasesMutationsPatientsDiseasePH homeostasis