1999
The Serum and Glucocorticoid Kinase sgk Increases the Abundance of Epithelial Sodium Channels in the Plasma Membrane of Xenopus Oocytes*
de la Rosa D, Zhang P, Náray-Fejes-Tóth A, Fejes-Tóth G, Canessa C. The Serum and Glucocorticoid Kinase sgk Increases the Abundance of Epithelial Sodium Channels in the Plasma Membrane of Xenopus Oocytes*. Journal Of Biological Chemistry 1999, 274: 37834-37839. PMID: 10608847, DOI: 10.1074/jbc.274.53.37834.Peer-Reviewed Original ResearchConceptsCarboxyl terminusPlasma membraneEpithelial sodium channelSerine/threonineXenopus oocytesNumber of ENaCsGlucocorticoid-induced kinaseRenal epithelial cellsThreonine kinaseSodium channelsMembrane abundanceTyrosine residuesGamma subunitsSGKAbundance of ENaCCell surfacePhosphorylationTerminusAmiloride-sensitive sodium transportAbundanceSodium transportKinaseENaC.Epithelial cellsSubunits
1998
In vivo phosphorylation of the epithelial sodium channel
Shimkets R, Lifton R, Canessa C. In vivo phosphorylation of the epithelial sodium channel. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 3301-3305. PMID: 9501257, PMCID: PMC19736, DOI: 10.1073/pnas.95.6.3301.Peer-Reviewed Original ResearchMeSH KeywordsAldosteroneAmilorideAmino Acid SequenceAnimalsColforsinCyclic AMP-Dependent Protein KinasesDogsEpithelial CellsEpithelial Sodium ChannelsInsulinMolecular Sequence DataNephronsPeptide MappingPhosphopeptidesPhosphorylationProtein Kinase CRatsSodium Channel AgonistsSodium ChannelsTransfectionConceptsCarboxyl terminusEpithelial sodium channelAlpha subunitGamma subunitsDe novo phosphorylationSubunit of ENaC.Stable cotransfectionVivo phosphorylationProtein kinaseEpithelial cell lineSodium channelsMolecular mechanismsActivity of ENaCPhosphorylationSubunitsCell linesTerminusProteinBetaKinaseCotransfectionBasal stateSerineThreonineENaC.
1995
A mutation in the epithelial sodium channel causing Liddle disease increases channel activity in the Xenopus laevis oocyte expression system.
Schild L, Canessa C, Shimkets R, Gautschi I, Lifton R, Rossier B. A mutation in the epithelial sodium channel causing Liddle disease increases channel activity in the Xenopus laevis oocyte expression system. Proceedings Of The National Academy Of Sciences Of The United States Of America 1995, 92: 5699-5703. PMID: 7777572, PMCID: PMC41764, DOI: 10.1073/pnas.92.12.5699.Peer-Reviewed Original ResearchConceptsLiddle's diseaseSalt-sensitive hypertensionSalt-sensitive formsChannel activityXenopus laevis oocyte expression systemDirect physiological evidenceChannel beta subunitsEpithelial sodium channelChannel hyperactivityOocyte expression systemPharmacological propertiesSodium channelsGamma subunitsMolecular targetsBeta subunitDiseaseXenopus laevis oocytesHypertensionPremature stop codonPhysiological evidenceHeritable formTruncation mutationsOverall channel activityFunctional consequencesLaevis oocytes