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