Featured Publications
IL‐1β Drives Production of FGF‐23 at the Onset of Chronic Kidney Disease in Mice
McKnight Q, Jenkins S, Li X, Nelson T, Marlier A, Cantley LG, Finberg KE, Fretz JA. IL‐1β Drives Production of FGF‐23 at the Onset of Chronic Kidney Disease in Mice. Journal Of Bone And Mineral Research 2020, 35: 1352-1362. PMID: 32154933, PMCID: PMC7363582, DOI: 10.1002/jbmr.4003.Peer-Reviewed Original ResearchConceptsChronic kidney diseaseOnset of CKDEarly chronic kidney diseaseFGF-23 expressionFGF-23Renal dysfunctionParathyroid hormoneIL-1βCongenital chronic kidney diseaseFGF-23 levelsSerum parathyroid hormoneGlomerular capillary tuftCongenital modelSerum phosphateIron bioavailabilitySystemic elevationVitamin DInflammatory cytokinesKidney diseaseEarly biomarkersIron statusMouse modelPhosphate imbalanceInitial upregulationCapillary tuft
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
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
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 levelsTubulesMolecular cloning and characterization of Atp6v1b1, the murine vacuolar H+-ATPase B1-subunit
Finberg KE, Wagner CA, Stehberger PA, Geibel JP, Lifton RP. Molecular cloning and characterization of Atp6v1b1, the murine vacuolar H+-ATPase B1-subunit. Gene 2003, 318: 25-34. PMID: 14585495, DOI: 10.1016/s0378-1119(03)00790-x.Peer-Reviewed Original ResearchMeSH Keywords5' Flanking RegionAmino Acid SequenceAnimalsAntibody SpecificityBase SequenceCloning, MolecularDNADNA, ComplementaryEpididymisGene Expression Regulation, EnzymologicHumansImmune SeraImmunohistochemistryIsoenzymesKidneyMaleMiceMice, Inbred StrainsMolecular Sequence DataPhylogenyProtein SubunitsRNA, MessengerSequence AlignmentSequence Analysis, DNASequence Homology, Amino AcidSequence Homology, Nucleic AcidVacuolar Proton-Translocating ATPasesConceptsDistal renal tubular acidosisRenal tubular acidosisMouse renal cortexProton-translocating ATPasesTubular acidosisRenal cortexSubset of tissuesAnimal modelsATP6V1B1Major organsGenomic organizationGenomic lociMouse kidneyProtein levelsMolecular cloningAcid proteinPlasma membraneMurine orthologIntracellular organellesB1 isoformKidneyNorthern blotting