1985
The electrical basis for enhanced potassium secretion in rat distal colon during dietary potassium loading
Sandle G, Foster E, Lewis S, Binder H, Hayslett J. The electrical basis for enhanced potassium secretion in rat distal colon during dietary potassium loading. Pflügers Archiv - European Journal Of Physiology 1985, 403: 433-439. PMID: 2409517, DOI: 10.1007/bf00589258.Peer-Reviewed Original ResearchConceptsRat distal colonDistal colonPotassium secretionDietary potassium loadingPotassium channel blocker tetraethylammonium chlorideBasolateral membrane voltageChannel blocker tetraethylammonium chloridePotassium loadingSodium channel blocker amilorideActive potassium secretionElectrical basisEnhanced potassium secretionChannel blocker amilorideMembrane conductanceIntracellular potassium activityApical membrane resistanceMucosal additionPotassium-selective microelectrodesBasal conditionsControl tissuesTransepithelial voltageColonMembrane voltageSecretionTetraethylammonium chloride
1982
Mechanism of potassium adaptation
Hayslett J, Binder H. Mechanism of potassium adaptation. American Journal Of Physiology 1982, 243: f103-f112. PMID: 7051849, DOI: 10.1152/ajprenal.1982.243.2.f103.Peer-Reviewed Original ResearchConceptsPotassium secretionPotassium adaptationChronic renal insufficiencyNa-K-ATPase activityAdministration of glucocorticoidsPotassium loadingNa-K-ATPaseTransepithelial potential differenceRenal insufficiencyPotassium excretionColonic mucosaExcretory loadDietary potassium loadingDistal nephronLarge intestinePotassium homeostasisDietary loadingElevated levelsPotassium pumpBasolateral portionEpitheliumCellular changesDistal portionSecretionBasolateral cell membrane