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 ResearchMeSH KeywordsAnimalsCell MembraneHumansIon ChannelsKidney TubulesMembrane PotentialsPatch-Clamp TechniquesWater-Electrolyte BalanceConceptsMacroscopic 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
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 ResearchMeSH KeywordsAnimalsBariumCell MembraneFemaleIon ChannelsKidney TubulesKidney Tubules, CollectingMembrane PotentialsPotassiumRabbitsConceptsCortical 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
1984
Role of aldosterone in the mechanism of potassium adaptation in the initial collecting tubule
Hirsch D, Kashgarian M, Boulpaep E, Hayslett J. Role of aldosterone in the mechanism of potassium adaptation in the initial collecting tubule. Kidney International 1984, 26: 798-807. PMID: 6099857, DOI: 10.1038/ki.1984.221.Peer-Reviewed Original ResearchConceptsInitial collecting tubuleCollecting tubuleDistal convolutionAldosterone levelsPotassium adaptationChronic potassium loadingMineralocorticoid-sensitive tissuesRole of aldosteronePlasma aldosterone levelsAction of aldosteroneIntact adrenal glandsPotassium loadingPhysiological plasma levelsChronic hyperaldosteronismTransepithelial potential differenceChronic administrationEpithelial changesAdrenal glandPlasma levelsDietary potassium loadingBasal valuesAldosteroneTubule cellsNephron segmentsTarget tissuesSingle channel recordings of calcium-activated potassium channels in the apical membrane of rabbit cortical collecting tubules.
Hunter M, Lopes A, Boulpaep E, Giebisch G. Single channel recordings of calcium-activated potassium channels in the apical membrane of rabbit cortical collecting tubules. Proceedings Of The National Academy Of Sciences Of The United States Of America 1984, 81: 4237-4239. PMID: 6330754, PMCID: PMC345404, DOI: 10.1073/pnas.81.13.4237.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalciumElectric ConductivityFemaleIon ChannelsKidney CortexKidney TubulesKineticsPotassiumRabbitsConceptsPotassium channelsRabbit cortical collecting tubuleCalcium concentrationCalcium-activated potassium channelsDose-dependent fashionCortical collecting tubulePatch-clamp techniqueCollecting tubuleSingle potassium channelsApical membraneOpen channel probabilitySingle-channel recordingsSlope conductanceChannel activityTubulesChannel recordingsRecordings
1982
Ionic conductive properties and electrophysiology of the rabbit cortical collecting tubule
O'Neil R, Boulpaep E. Ionic conductive properties and electrophysiology of the rabbit cortical collecting tubule. American Journal Of Physiology 1982, 243: f81-f95. PMID: 7091368, DOI: 10.1152/ajprenal.1982.243.1.f81.Peer-Reviewed Original Research
1979
Effect of amiloride on the apical cell membrane cation channels of a sodium-absorbing, potassium-secreting renal epithelium
O'Neil R, Boulpaep E. Effect of amiloride on the apical cell membrane cation channels of a sodium-absorbing, potassium-secreting renal epithelium. The Journal Of Membrane Biology 1979, 50: 365-387. PMID: 513119, DOI: 10.1007/bf01868898.Peer-Reviewed Original ResearchConceptsLumen-negative transepithelial potential differenceActive Na absorptionApical cell membraneEffects of amilorideEquivalent short-circuit currentTransepithelial potential differenceNa absorptionMaximum inhibitory concentrationAmilorideDiuretic amilorideCation channelsCell membraneNa channelsInhibitory concentrationRenal epitheliumMembrane cation channelsRemoval of NaAbsence of NaTight junctionsPerfusateK permeabilityTubulesLumenModulation of cell membrane area in renal collecting tubules by corticosteroid hormones.
Wade J, O'Neil R, Pryor J, Boulpaep E. Modulation of cell membrane area in renal collecting tubules by corticosteroid hormones. Journal Of Cell Biology 1979, 81: 439-445. PMID: 468913, PMCID: PMC2110313, DOI: 10.1083/jcb.81.2.439.Peer-Reviewed Original Research
1978
Factors influencing transepithelial potential difference in mammalian distal tubule
Hayslett J, Boulpaep E, Giebisch G. Factors influencing transepithelial potential difference in mammalian distal tubule. American Journal Of Physiology 1978, 234: f182-f191. PMID: 629352, DOI: 10.1152/ajprenal.1978.234.3.f182.Peer-Reviewed Original Research
1977
Electrical characteristics of the mammalian distal tubule: Comparison of Ling-Gerard and macroelectrodes
Hayslett J, Boulpaep E, Kashgarian M, Giebisch G. Electrical characteristics of the mammalian distal tubule: Comparison of Ling-Gerard and macroelectrodes. Kidney International 1977, 12: 324-331. PMID: 604621, DOI: 10.1038/ki.1977.119.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsElectricityElectrodesFemaleKidney TubulesKidney Tubules, DistalMaleMicroelectrodesNephronsRats
1974
Pressure Control of Sodium Reabsorption and Intercellular Backflux across Proximal Kidney Tubule
Grandchamp A, Boulpaep E. Pressure Control of Sodium Reabsorption and Intercellular Backflux across Proximal Kidney Tubule. Journal Of Clinical Investigation 1974, 54: 69-82. PMID: 4834883, PMCID: PMC301525, DOI: 10.1172/jci107751.Peer-Reviewed Original Research
1972
Effect of intraluminal pressure on proximal tubular sodium reabsorptin. A shrinking drop micropuncture study.
Grandchamp A, Boulpaep E. Effect of intraluminal pressure on proximal tubular sodium reabsorptin. A shrinking drop micropuncture study. The Yale Journal Of Biology And Medicine 1972, 45: 275-88. PMID: 4638650, PMCID: PMC2591956.Peer-Reviewed Original Research
1971
Electrolyte transport in kidney tubule cells
Giebisch G, Boulpaep E, Whittembury G. Electrolyte transport in kidney tubule cells. Philosophical Transactions Of The Royal Society B Biological Sciences 1971, 262: 175-196. PMID: 4399217, DOI: 10.1098/rstb.1971.0088.Peer-Reviewed Original ResearchConceptsTubule cellsTubular levelKidney tubule cellsNet Na transportActive K uptakePotassium secretionNa-K exchange pumpK secretionProximal tubular levelLuminal cell membraneElectrolyte transportNa pumpLines of evidenceTranstubular movementNa transportNet NaCell compartmentExchange pumpSecretionInterstitial fluidCellsLumenPassive leakIonic pumpsUptake