2010
Substrate specificity of Rhbg: ammonium and methyl ammonium transport
Nakhoul N, Abdulnour-Nakhoul S, Boulpaep E, Rabon E, Schmidt E, Hamm L. Substrate specificity of Rhbg: ammonium and methyl ammonium transport. American Journal Of Physiology - Cell Physiology 2010, 299: c695-c705. PMID: 20592240, PMCID: PMC2944323, DOI: 10.1152/ajpcell.00019.2010.Peer-Reviewed Original Research
1993
Whole-cell currents in single and confluent M-1 mouse cortical collecting duct cells.
Korbmacher C, Segal A, Fejes-Tóth G, Giebisch G, Boulpaep E. Whole-cell currents in single and confluent M-1 mouse cortical collecting duct cells. The Journal Of General Physiology 1993, 102: 761-793. PMID: 8270912, PMCID: PMC2229168, DOI: 10.1085/jgp.102.4.761.Peer-Reviewed Original ResearchConceptsWhole-cell currentsWhole-cell conductanceConfluent cellsWhole-cell membrane currentsBasolateral K channelsCells 24 hK conductancePA/cellMicroM glibenclamideAmiloride-sensitive conductanceTransgenic miceReabsorb sodiumOutward currentsM amilorideGlibenclamide inhibitionDuct cellsPrincipal cellsMembrane currentsBath KLarge depolarizationChloride conductanceK channelsLipophilic drugsPermeable supportsMice
1988
Glucocorticoids have a different action than aldosterone on target tissue
Halevy J, Boulpaep E, Budinger M, Binder H, Hayslett J. Glucocorticoids have a different action than aldosterone on target tissue. American Journal Of Physiology 1988, 254: f153-f158. PMID: 3337244, DOI: 10.1152/ajprenal.1988.254.1.f153.Peer-Reviewed Original ResearchConceptsRU 28362Same doseInhibitory actionDexamethasone-treated animalsBody wt-1Effects of glucocorticoidsEffect of dexamethasoneReceptor-independent actionsRat distal colonSodium channel blockersMarked inhibitory actionEquivalent short-circuit currentBasolateral potential differenceAldosterone receptorsEpithelial changesDistal colonChannel blockersAldosteroneSynthetic glucocorticoidDay 1WT-1Large intestineGlucocorticoidsEpithelial resistanceMarked inhibition
1983
Intracellular pH regulation in the renal proximal tubule of the salamander. Na-H exchange.
Boron W, Boulpaep E. Intracellular pH regulation in the renal proximal tubule of the salamander. Na-H exchange. The Journal Of General Physiology 1983, 81: 29-52. PMID: 6833996, PMCID: PMC2215563, DOI: 10.1085/jgp.81.1.29.Peer-Reviewed Original ResearchConceptsProximal tubulesProximal tubule cellsRenal proximal tubulesTiger salamander Ambystoma tigrinumPH-sensitive microelectrodesFree RingerMaximal effectTubule cellsTransient riseDiuretic amilorideBasolateral sideBasolateral solutionExponential time courseSalamander Ambystoma tigrinumTime courseCl removalMaximal rateBasolateral membraneNormal rateTubulesAmbystoma tigrinumPH regulationCellsActive transportRecovery
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 permeabilityTubulesLumen