2005
SGK1 activates Na+-K+-ATPase in amphibian renal epithelial cells
de la Rosa D, Gimenez I, Forbush B, Canessa CM. SGK1 activates Na+-K+-ATPase in amphibian renal epithelial cells. American Journal Of Physiology - Cell Physiology 2005, 290: c492-c498. PMID: 16192298, DOI: 10.1152/ajpcell.00556.2004.Peer-Reviewed Original ResearchConceptsRenal epithelial cellsEpithelial cellsEffects of aldosteroneCell linesActivation of ENaCGlucocorticoid-induced kinase 1Epithelial cell lineRenal epithelial cell lineAldosteroneSGK1 expressionSame cell lineSubunit abundanceSGK1Channel activityTotal proteinImportant regulatorKinase 1Tetracycline-inducible promoterActivationCellsApical membraneATPase activityPrevious studiesATPase functionChronic
2003
Short-term Stimulation of the Renal Na-K-Cl Cotransporter (NKCC2) by Vasopressin Involves Phosphorylation and Membrane Translocation of the Protein*
Giménez I, Forbush B. Short-term Stimulation of the Renal Na-K-Cl Cotransporter (NKCC2) by Vasopressin Involves Phosphorylation and Membrane Translocation of the Protein*. Journal Of Biological Chemistry 2003, 278: 26946-26951. PMID: 12732642, DOI: 10.1074/jbc.m303435200.Peer-Reviewed Original ResearchConceptsNa-K-Cl cotransporterRenal Na-K-Cl cotransporterCell membrane compartmentsRegulatory threonineMembrane compartmentsAntidiuretic hormone vasopressinPhosphospecific antibodiesMembrane translocationAmino terminusCytoplasmic vesiclesNKCC2 phosphorylationShort-term activationApical membranePhosphorylationTerm activationHormone vasopressinShort-term stimulationThick ascending limbProteinTranslocationCotransporterNKCC2ActivationAscending limbMorphometric analysis
2002
Functional comparison of renal Na-K-Cl cotransporters between distant species
Gagnon E, Forbush B, Caron L, Isenring P. Functional comparison of renal Na-K-Cl cotransporters between distant species. American Journal Of Physiology - Cell Physiology 2002, 284: c365-c370. PMID: 12388059, DOI: 10.1152/ajpcell.00262.2002.Peer-Reviewed Original ResearchConceptsRenal Na-K-Cl cotransporterNa-K-Cl cotransporterSplice variantsSecond transmembrane domainDistant vertebratesDistant speciesTransmembrane domainAlternative splicingXenopus laevis oocytesTransport activityCl(-) affinityRenal NKCC2Functional comparisonLaevis oocytesSpeciesSharksSimilar affinityIon dependence
2000
Basolateral K-Cl Cotransporter Regulates Colonic Potassium Absorption in Potassium Depletion*
Sangan P, Brill S, Sangan S, Forbush B, Binder H. Basolateral K-Cl Cotransporter Regulates Colonic Potassium Absorption in Potassium Depletion*. Journal Of Biological Chemistry 2000, 275: 30813-30816. PMID: 10878016, DOI: 10.1074/jbc.m003931200.Peer-Reviewed Original ResearchConceptsK-Cl cotransporterMembrane HK-Cl cotransportActive potassium absorptionProtein expressionBasolateral membranePotassium absorptionK-ATPaseNorthern blot analysisKCC1 mRNACoordinated regulationAlpha-subunit mRNABeta-subunit mRNAMRNA abundanceBlot analysisMRNAExpressionProteinMembraneCotransporterDepletionRat distal colonCDNAKCC1
1997
Ion and Bumetanide Binding by the Na-K-Cl Cotransporter
Isenring P, Forbush B. Ion and Bumetanide Binding by the Na-K-Cl Cotransporter. Journal Of Biological Chemistry 1997, 272: 24556-24562. PMID: 9305921, DOI: 10.1074/jbc.272.39.24556.Peer-Reviewed Original ResearchConceptsNa-K-Cl cotransporterNa-K-ClBumetanide-sensitive 86Rb influxCation-chloride cotransporter familyApparent affinityHEK-293 cellsInhibitor bumetanideCell surface deliveryElectrolyte secretionTime course of activationBumetanidePolarized epitheliaBumetanide bindingCotransporterCl- mediumCotransported ionsHEK-293SNKCC1Hydrophobic central domainSurface deliveryCourse of activationCentral domainTime courseCytoplasmic N-Chimera approach
1994
Kinetic heterogeneity of phosphoenzyme of Na,K-ATPase modeled by unmixed lipid phases. Competence of the phosphointermediate.
Klodos I, Post R, Forbush B. Kinetic heterogeneity of phosphoenzyme of Na,K-ATPase modeled by unmixed lipid phases. Competence of the phosphointermediate. Journal Of Biological Chemistry 1994, 269: 1734-1743. PMID: 8294422, DOI: 10.1016/s0021-9258(17)42089-8.Peer-Reviewed Original Research
1992
The Na-K-Cl cotransporter of avian salt gland. Phosphorylation in response to cAMP-dependent and calcium-dependent secretogogues.
Torchia J, Lytle C, Pon D, Forbush B, Sen A. The Na-K-Cl cotransporter of avian salt gland. Phosphorylation in response to cAMP-dependent and calcium-dependent secretogogues. Journal Of Biological Chemistry 1992, 267: 25444-25450. PMID: 1281159, DOI: 10.1016/s0021-9258(19)74061-7.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-3-isobutylxanthine8-Bromo Cyclic Adenosine MonophosphateAnimalsBlotting, WesternCalciumCarbacholCarrier ProteinsCell MembraneColforsinCyclic AMPDucksKineticsMembrane ProteinsPhosphatesPhosphorylationSalt GlandSodium-Potassium-Chloride SymportersTime FactorsVasoactive Intestinal PeptideConceptsNa-K-Cl cotransporterPhosphorylation of pp170Avian salt glandMonoclonal antibodiesResponse to carbacholEffect of forskolinNa-K-ClIntact cell preparationsConcentration-dependent increaseStimulation of secretionIncreased approximately 5-foldCAMP accumulationExposure of cellsCAMP-dependent protein kinasePp170Approximately 5-foldCell preparationsCAMP-dependentSalt gland cellsGland membranesWestern blottingForskolinSecretogoguesVIPAntibodiesThe Na-K-Cl cotransport protein of shark rectal gland. I. Development of monoclonal antibodies, immunoaffinity purification, and partial biochemical characterization.
Lytle C, Xu J, Biemesderfer D, Haas M, Forbush B. The Na-K-Cl cotransport protein of shark rectal gland. I. Development of monoclonal antibodies, immunoaffinity purification, and partial biochemical characterization. Journal Of Biological Chemistry 1992, 267: 25428-25437. PMID: 1460038, DOI: 10.1016/s0021-9258(19)74059-9.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAntibodies, MonoclonalBenzophenonesBlotting, WesternCarrier ProteinsCell MembraneChloridesCholic AcidsChromatography, AffinityChromatography, High Pressure LiquidChromatography, Ion ExchangeDogfishElectrophoresis, Polyacrylamide GelFluorescent Antibody TechniqueMembrane ProteinsMiceMice, Inbred BALB CMolecular Sequence DataMolecular WeightPeptide FragmentsPotassiumRectumSebaceous GlandsSodiumSodium-Potassium-Chloride SymportersSulfanilamidesConceptsNa-K-Cl cotransport proteinNa-K-ClCotransporter proteinNa-K-Cl cotransporterMonoclonal antibodiesShark rectal glandLoop diureticsBasolateral membraneApical membraneTransport of NaRepresentative antibodiesCotransporterCoupled transport of NaAntibodiesPattern of recognitionTreated with N-glycanaseGland secretory cellsImmunoelectron microscopyCell membranePlasma membraneEpitopesPhysiological evidenceSecretory cellsProteolytic fragments
1991
[3H]bumetanide binding to mouse kidney membranes: identification of corresponding membrane proteins
Haas M, Dunham P, Forbush B. [3H]bumetanide binding to mouse kidney membranes: identification of corresponding membrane proteins. American Journal Of Physiology 1991, 260: c791-c804. PMID: 2018111, DOI: 10.1152/ajpcell.1991.260.4.c791.Peer-Reviewed Original ResearchMeSH KeywordsAffinity LabelsAnimalsBenzophenonesBumetanideCarcinoma, Ehrlich TumorCarrier ProteinsCell FractionationCell MembraneCentrifugation, Density GradientFemaleKidneyKidney CortexKidney MedullaKineticsMembrane ProteinsMiceProtein BindingSodium-Potassium-Chloride SymportersSulfanilamidesTritiumConceptsMouse kidney membranesKidney membranesNa-K-Cl cotransport systemNa-K-ClLow-affinity peakDog kidney membraneMouse Ehrlich ascites tumor cellsMouse kidney proteinsDog kidneyCrude plasma membranesTumor cellsWestern blot analysisEhrlich ascites tumor cellsCotransport systemAscites tumor cellsMouse kidneyMiceStaining profileLow-affinity sitesWestern blottingBinding sitesAntiserum cross-reactedKidneyBlot analysisKidney proteins
1990
Biosynthesis of the Na,K-ATPase in Madin-Darby canine kidney cells. Activation and cell surface delivery.
Caplan MJ, Forbush B, Palade GE, Jamieson JD. Biosynthesis of the Na,K-ATPase in Madin-Darby canine kidney cells. Activation and cell surface delivery. Journal Of Biological Chemistry 1990, 265: 3528-3534. PMID: 2154482, DOI: 10.1016/s0021-9258(19)39801-1.Peer-Reviewed Original Research
1987
Physiology and biophysics of chloride and cation cotransport across cell membranes.
Lauf P, McManus T, Haas M, Forbush B, Duhm J, Flatman P, Saier M, Russell J. Physiology and biophysics of chloride and cation cotransport across cell membranes. The FASEB Journal 1987, 46: 2377-94. PMID: 3552736.Peer-Reviewed Original Research
1985
Monoclonal antibody to Na,K-ATPase: Immunocytochemical localization along nephron segments
Kashgarian M, Biemesderfer D, Caplan M, Forbush B. Monoclonal antibody to Na,K-ATPase: Immunocytochemical localization along nephron segments. Kidney International 1985, 28: 899-913. PMID: 3003443, DOI: 10.1038/ki.1985.216.Peer-Reviewed Original ResearchConceptsMonoclonal antibodiesNephron segmentsEvidence of labellingRenal tubular epithelial cellsTubular epithelial cellsK-ATPaseThick ascending limbOnly principal cellsDifferent nephron segmentsDog antigensBasal-lateral membranesSignificant antibodiesAscending limbMesangial regionHenle's loopOccasional cellsRenal medullaOuter renal medullaAbundant antibodyAntibodiesApical labelingTubule segmentsPrincipal cellsEpithelial cellsImmunocytochemical localization
1984
Na+ movement in a single turnover of the Na pump.
Forbush B. Na+ movement in a single turnover of the Na pump. Proceedings Of The National Academy Of Sciences Of The United States Of America 1984, 81: 5310-5314. PMID: 6089192, PMCID: PMC391693, DOI: 10.1073/pnas.81.17.5310.Peer-Reviewed Original Research
1983
[3H]bumetanide binding to membranes isolated from dog kidney outer medulla. Relationship to the Na,K,Cl co-transport system.
Forbush B, Palfrey H. [3H]bumetanide binding to membranes isolated from dog kidney outer medulla. Relationship to the Na,K,Cl co-transport system. Journal Of Biological Chemistry 1983, 258: 11787-11792. PMID: 6619143, DOI: 10.1016/s0021-9258(17)44299-2.Peer-Reviewed Original ResearchConceptsOuter medullaCl- co-transport systemDog kidney outer medullaCl- cotransport systemLoop of HenleCo-transport systemLoop diureticsBasolateral membraneKidney outer medullaProximal tubulesAscending limbLuminal membraneCotransport systemKidney cortexMedullaKidney membranesBrush borderCo-transportCrude membranesKidneyDog kidneyBinding to membranesBinding activityGradient centrifugationAssay of Na,K-ATPase in plasma membrane preparations: Increasing the permeability of membrane vesicles using sodium dodecyl sulfate buffered with bovine serum albumin
Forbush B. Assay of Na,K-ATPase in plasma membrane preparations: Increasing the permeability of membrane vesicles using sodium dodecyl sulfate buffered with bovine serum albumin. Analytical Biochemistry 1983, 128: 159-163. PMID: 6303151, DOI: 10.1016/0003-2697(83)90356-1.Peer-Reviewed Original ResearchConceptsMaximal Na,K-ATPase activityAmount of membrane proteinNa,K-ATPase activityElectric organ of eelIsolated plasma membranesNa,K-ATPaseSodium dodecyl sulfate bufferK-ATPase activityPlasma membrane preparationsTransmembrane proteinsMembrane proteinsDetergent bufferPlasma membraneOptimal activityActivity of membranesBovine serum albuminMembrane vesiclesK-ATPasePermeability of membrane vesiclesDetergentDetergent activitySulfate bufferProteinVesicular natureSerum albumin
1982
Characterization of right-side-out membrane vesicles rich in (Na,K)-ATPase and isolated from dog kidney outer medulla.
Forbush B. Characterization of right-side-out membrane vesicles rich in (Na,K)-ATPase and isolated from dog kidney outer medulla. Journal Of Biological Chemistry 1982, 257: 12678-12684. PMID: 6290476, DOI: 10.1016/s0021-9258(18)33564-6.Peer-Reviewed Original ResearchConceptsDog kidney outer medullaK)-ATPase activityK)-ATPaseKidney outer medullaOuter medullaRight-side-out membrane vesiclesMembrane vesiclesBasolateral membranePorcine trypsinMg2+ + ATPRight-side-out orientationDensity gradient centrifugationCaged ATPIntravesicular volumePresence of Na+H1 populationMedullaMembrane proteinsSucrose gradientsGradient centrifugationTrypsin-sensitiveDetergent treatmentVesicle volumeVesiclesATP
1979
Sodium and potassium fluxes across the dialyzed giant axon ofMyxicola
Forbush B. Sodium and potassium fluxes across the dialyzed giant axon ofMyxicola. The Journal Of Membrane Biology 1979, 46: 185-212. PMID: 318530, DOI: 10.1007/bf01868764.Peer-Reviewed Original Research