2009
Protein-protein interactions among ion channels regulate ion transport in the kidney.
Boulpaep E. Protein-protein interactions among ion channels regulate ion transport in the kidney. Bulletin Et Mémoires De L'Académie Royale De Médecine De Belgique 2009, 164: 133-41; discussion 141-2. PMID: 20120088.Peer-Reviewed Original ResearchConceptsAMP kinaseProtein CFTRCFTR channel gatingMembrane transport proteinsProtein-protein interactionsMembrane-attached proteinsSerine-threonine kinaseRegulation of transportKir 1.1Mg-ATPIon transportExtracellular agonistsMembrane proteinsTransport proteinsChannel gatingIntracellular ATP concentrationIntracellular messengerMembrane receptorsCFTRMetabolic signalsIon channelsChloride channelsEpithelial ion transportDirect interactionRenal K secretion
1997
Tubule electrophysiology: from single channels back to the renal epithelium.
Boulpaep E. Tubule electrophysiology: from single channels back to the renal epithelium. Wiener Klinische Wochenschrift 1997, 109: 489-92. PMID: 9261991.Peer-Reviewed Original ResearchConceptsMacroscopic membrane propertiesMicroscopic parametersSingle channel proteinsElectrical propertiesIon flowMacroscopic referenceSingle barrierMembrane patchesRenal epitheliumSingle channelRenal ion transportRenal ion channelsRegulatory domainExperimental errorChannel proteinsPore conductivityIon channelsWhole-cell conductancePatch-clamp technologyBasolateral membraneRenal tubule cellsCell membrane parametersIon selectivityIon transportOpen probability
1995
Primary structure and functional expression of a cGMP-gated potassium channel.
Yao X, Segal AS, Welling P, Zhang X, McNicholas CM, Engel D, Boulpaep EL, Desir GV. Primary structure and functional expression of a cGMP-gated potassium channel. Proceedings Of The National Academy Of Sciences Of The United States Of America 1995, 92: 11711-11715. PMID: 8524834, PMCID: PMC40472, DOI: 10.1073/pnas.92.25.11711.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceCloning, MolecularCyclic GMPElectric ConductivityGene LibraryIon Channel GatingMolecular Sequence DataOocytesPhylogenyPotassiumPotassium ChannelsProtein BiosynthesisProtein ConformationRabbitsRNA, MessengerSequence Homology, Amino AcidTissue DistributionXenopusConceptsDeduced amino acid sequenceChannel protein phosphorylationCysteine-rich regionAmino acid sequenceNorthern blot analysisPotassium channel activityProtein phosphorylationAcid sequenceGene expressionPrimary structureFunctional expressionK channelsIon channelsChannel activityBlot analysisCyclic nucleotidesShaker K channelsPotassium channelsEffects of substancesKCN1Intracellular cGMPCGMPNitric oxideExpressionImportant role
1986
Regulation of single potassium ion channels from apical membrane of rabbit collecting tubule
Hunter M, Lopes A, Boulpaep E, Giebisch G. Regulation of single potassium ion channels from apical membrane of rabbit collecting tubule. American Journal Of Physiology 1986, 251: f725-f733. PMID: 2429562, DOI: 10.1152/ajprenal.1986.251.4.f725.Peer-Reviewed Original ResearchConceptsCortical collecting tubuleCollecting tubuleRabbit cortical collecting tubuleBath calcium concentrationOpen probabilityPatch-clamp techniqueOne-half maximalApical membranePotassium secretionChannel open timeIntracellular calciumPotassium ion channelsChannel open probabilityCalcium concentrationMM calciumChannel activityTubulesIon channelsBath solutionSecretionOpen timeTransmembrane potentialCalciumFunction of calciumApparent Ki