2010
Mouse cystic fibrosis transmembrane conductance regulator forms cAMP-PKA–regulated apical chloride channels in cortical collecting duct
Lu M, Dong K, Egan ME, Giebisch GH, Boulpaep EL, Hebert SC. Mouse cystic fibrosis transmembrane conductance regulator forms cAMP-PKA–regulated apical chloride channels in cortical collecting duct. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 6082-6087. PMID: 20231442, PMCID: PMC2851921, DOI: 10.1073/pnas.0902661107.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBenzoatesChloride ChannelsCyclic AMPCyclic AMP-Dependent Protein KinasesCystic Fibrosis Transmembrane Conductance RegulatorFemaleIn Vitro TechniquesKidney CortexKidney Tubules, CollectingKineticsMiceMice, Inbred C57BLMice, Inbred CFTRMice, KnockoutMice, TransgenicMutationOocytesPatch-Clamp TechniquesPotassium Channels, Inwardly RectifyingRecombinant ProteinsThiazolidinesXenopus laevisConceptsCystic fibrosis transmembrane conductance regulatorFibrosis transmembrane conductance regulatorTransmembrane conductance regulatorCl- channel activityConductance regulatorCl- channelsApical membrane proteinsExpression of CFTRChannel activityCFTR Cl- channelApical chloride channelApical cell membraneDeltaF508 CFTR mutationMembrane proteinsCatalytic subunitXenopus laevis oocytesForm proteinPrincipal cellsCFTR channelsROMK null miceApical patchesApical membraneSingle-channel conductanceChloride channelsCell membrane
2006
CFTR is required for PKA-regulated ATP sensitivity of Kir1.1 potassium channels in mouse kidney
Lu M, Leng Q, Egan ME, Caplan MJ, Boulpaep EL, Giebisch GH, Hebert SC. CFTR is required for PKA-regulated ATP sensitivity of Kir1.1 potassium channels in mouse kidney. Journal Of Clinical Investigation 2006, 116: 797-807. PMID: 16470247, PMCID: PMC1361349, DOI: 10.1172/jci26961.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsCurcuminCyclic AMP-Dependent Protein KinasesCystic Fibrosis Transmembrane Conductance RegulatorHydrogen-Ion ConcentrationKidneyMiceMice, Inbred C57BLMice, Inbred CFTRMice, TransgenicMutationOocytesPatch-Clamp TechniquesPotassium Channels, Inwardly RectifyingXenopus laevisConceptsFunctional switchCystic fibrosis transmembrane conductance regulator (CFTR) Cl(-) channelATP sensitivityEffects of CFTRThick ascending limbPotential physiological rolePKA activityRenal K channelsCystic fibrosisPhysiological roleSecretory channelsK channelsRenal tubule epithelial cellsApical membraneCFTRDeltaF508 mutationDistal nephron segmentsCl- channelsK homeostasisTubule epithelial cellsEpithelial cellsTAL cellsPotassium channelsK handlingGlibenclamide sensitivity
1998
Regulation of an Inwardly Rectifying ATP-sensitive K+ Channel in the Basolateral Membrane of Renal Proximal Tubule
Mauerer U, Boulpaep E, Segal A. Regulation of an Inwardly Rectifying ATP-sensitive K+ Channel in the Basolateral Membrane of Renal Proximal Tubule. The Journal Of General Physiology 1998, 111: 161-180. PMID: 9417142, PMCID: PMC1887764, DOI: 10.1085/jgp.111.1.161.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAmbystomaAnimalsBiological TransportCalciumCell MembraneColforsinCyclic AMP-Dependent Protein KinasesEnzyme ActivationEpithelial CellsHydrogen-Ion ConcentrationIon Channel GatingKidney Tubules, ProximalPatch-Clamp TechniquesPhosphorylationPotassium ChannelsProtein Kinase CSodium-Potassium-Exchanging ATPaseConceptsBasolateral membraneProtein kinase AActin cytoskeletonATPase pumpOuter membraneProtein kinaseKinase ACellular metabolismKATP channelsSecond messengerStimulation of transportTransport activityPhysiological importanceMembrane stretchPhorbol esterChannel activityMembrane patchesRegulationIntracellularO patchesFunctional couplingHypotonic swellingCell-attached patchesCell depolarizationRenal proximal tubules