2012
Altered V-ATPase expression in renal intercalated cells isolated from B1 subunit-deficient mice by fluorescence-activated cell sorting
Vedovelli L, Rothermel JT, Finberg KE, Wagner CA, Azroyan A, Hill E, Breton S, Brown D, Păunescu T. Altered V-ATPase expression in renal intercalated cells isolated from B1 subunit-deficient mice by fluorescence-activated cell sorting. American Journal Of Physiology. Renal Physiology 2012, 304: f522-f532. PMID: 23269648, PMCID: PMC3602708, DOI: 10.1152/ajprenal.00394.2012.Peer-Reviewed Original ResearchConceptsV-ATPase expressionVacuolar proton-pumping ATPaseProtein levelsV-ATPase subunitsFluorescence-assisted cellProton-pumping ATPaseV-ATPase AWestern blotFluorescence-activated cell sortingV-ATPasesSubunit protein levelsE1 subunitSubunit promoterQuantitative Western blotApical membraneEGFP expressionH subunitAcid-base homeostasisEGFPSubunitsCell sortingExpressionCytosol fractionCellsMembrane
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
2004
Renal Vacuolar H+-ATPase
Wagner CA, Finberg KE, Breton S, Marshansky V, Brown D, Geibel JP. Renal Vacuolar H+-ATPase. Physiological Reviews 2004, 84: 1263-1314. PMID: 15383652, DOI: 10.1152/physrev.00045.2003.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsProximal tubular bicarbonate reabsorptionDistal renal tubular acidosisTubular bicarbonate reabsorptionRenal tubular acidosisFinal urinary acidificationTubular acidosisElectrolyte statusBicarbonate reabsorptionMonogenic defectsProximal tubulesUrinary acidificationKidneyATP-dependent transportVariety of factorsHigher numberPatientsIntracellular organellesAcidosisRegulatory proteinsLocalization patterns
1995
Interactions of VirB9, -10, and -11 with the membrane fraction of Agrobacterium tumefaciens: solubility studies provide evidence for tight associations
Finberg K, Muth T, Young S, Maken J, Heitritter S, Binns A, Banta L. Interactions of VirB9, -10, and -11 with the membrane fraction of Agrobacterium tumefaciens: solubility studies provide evidence for tight associations. Journal Of Bacteriology 1995, 177: 4881-4889. PMID: 7665464, PMCID: PMC177261, DOI: 10.1128/jb.177.17.4881-4889.1995.Peer-Reviewed Original ResearchConceptsMembrane fractionPore complexMembrane associationVirB10 proteinsAgrobacterium tumefaciens virB operonTight associationSingle transmembrane domainT-DNA transferPeripheral membrane associationOuter membrane fractionAmino acids 22Plant cellsMembrane topologyVirB operonMembrane localizationTransmembrane domainMutant proteinsSucrose density gradient centrifugationAgrobacterium tumefaciensSteady-state levelsA. tumefaciensOuter membraneAgrobacterium cellsVirB10VirB9