2000
Colonic H-K-ATPase α- and β-subunits express ouabain-insensitive H-K-ATPase
Sangan P, Thevananther S, Sangan S, Rajendran V, Binder H. Colonic H-K-ATPase α- and β-subunits express ouabain-insensitive H-K-ATPase. American Journal Of Physiology - Cell Physiology 2000, 278: c182-c189. PMID: 10644526, DOI: 10.1152/ajpcell.2000.278.1.c182.Peer-Reviewed Original Research
1998
Role of Apical H-K Exchange and Basolateral K Channel in the Regulation of Intracellular pH in Rat Distal Colon Crypt Cells
Ikuma M, Binder H, Geibel J. Role of Apical H-K Exchange and Basolateral K Channel in the Regulation of Intracellular pH in Rat Distal Colon Crypt Cells. The Journal Of Membrane Biology 1998, 166: 205-212. PMID: 9843594, DOI: 10.1007/s002329900462.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntiportersBariumCell PolarityColonEpithelial CellsH(+)-K(+)-Exchanging ATPaseHomeostasisHydrogen-Ion ConcentrationIntestinal MucosaIntracellular FluidIon TransportMaleOuabainPotassiumPotassium ChannelsPotassium-Hydrogen AntiportersRatsRats, Sprague-DawleySodium-Potassium-Exchanging ATPaseDifferential localization of colonic H+-K+-ATPase isoforms in surface and crypt cells
Rajendran V, Singh S, Geibel J, Binder H. Differential localization of colonic H+-K+-ATPase isoforms in surface and crypt cells. American Journal Of Physiology 1998, 274: g424-g429. PMID: 9486199, DOI: 10.1152/ajpgi.1998.274.2.g424.Peer-Reviewed Original ResearchConceptsCrypt cellsColonic cryptsRat distal colonSurface cellsSurface epithelial cellsATPase isoformsOuabain-insensitive componentApical membraneDistal colonAcid loadDependent intracellularEpithelial cellsATPase activityCryptsDifferential localizationOuabainATPase alpha subunitCellsAlpha subunitCompelling evidenceIsoformsColonActivityRecovery
1992
Mucosal ouabain and Na+ inhibit active Rb+(K+) absorption in normal and sodium-depleted rat distal colon
Pandiyan V, Rajendran V, Binder H. Mucosal ouabain and Na+ inhibit active Rb+(K+) absorption in normal and sodium-depleted rat distal colon. Gastroenterology 1992, 102: 1846-1853. PMID: 1587404, DOI: 10.1016/0016-5085(92)90304-h.Peer-Reviewed Original Research
1991
Apical membrane localization of ouabain-sensitive K(+)-activated ATPase activities in rat distal colon
Del Castillo J, Rajendran V, Binder H. Apical membrane localization of ouabain-sensitive K(+)-activated ATPase activities in rat distal colon. American Journal Of Physiology 1991, 261: g1005-g1011. PMID: 1837421, DOI: 10.1152/ajpgi.1991.261.6.g1005.Peer-Reviewed Original ResearchConceptsRat distal colonOuabain-insensitive fractionDistal colonOuabain-sensitive fractionOuabain-insensitive componentHalf-maximal concentrationApical membraneATPase activityColonic mucosaProximal colonColonActivation curveAbsorptive processesAdenosinetriphosphatase activityApical membrane localizationBasolateral membraneHomogenatesN-ethylmaleimideMucosaActivityOmeprazole
1990
Active potassium absorption in rat distal colon.
Sweiry J, Binder H. Active potassium absorption in rat distal colon. The Journal Of Physiology 1990, 423: 155-170. PMID: 2143781, PMCID: PMC1189751, DOI: 10.1113/jphysiol.1990.sp018016.Peer-Reviewed Original ResearchConceptsNa-depleted animalsRat distal colonActive potassium absorptionDistal colonNormal colonFree Ringer solutionGroups of animalsResult of inhibitionColonMucosal ouabainPotassium absorptionRinger's solutionSerosal solutionSerosalAnimalsApical membraneSaturable fluxMucosaAffinity constantsOmeprazoleATPaseSecretion
1989
Regulation of active sodium and potassium transport in the distal colon of the rat. Role of the aldosterone and glucocorticoid receptors.
Turnamian S, Binder H. Regulation of active sodium and potassium transport in the distal colon of the rat. Role of the aldosterone and glucocorticoid receptors. Journal Of Clinical Investigation 1989, 84: 1924-1929. PMID: 2592566, PMCID: PMC304073, DOI: 10.1172/jci114380.Peer-Reviewed Original ResearchConceptsElectrogenic sodium absorptionReceptor-specific agonistsSodium absorptionAldosterone receptorsRU 28362Continuous infusionDistal colonGlucocorticoid receptorAmiloride-sensitive sodium absorptionColonic electrolyte transportEffects of aldosteroneRat distal colonPotassium transportActive sodiumPotassium secretionAldosteroneSustained increasePotassium absorptionAgonistsReceptorsElectrolyte transportGlucocorticoidsUnidirectional NaInfusionColonAldosterone induction of electrogenic sodium transport in the apical membrane vesicles of rat distal colon*
Rajendran V, Kashgarian M, Binder H. Aldosterone induction of electrogenic sodium transport in the apical membrane vesicles of rat distal colon*. Journal Of Biological Chemistry 1989, 264: 18638-18644. PMID: 2553716, DOI: 10.1016/s0021-9258(18)51514-3.Peer-Reviewed Original ResearchConceptsDistal colonRat distal colonNa-H exchangeElectrogenic sodium transportSodium transportExperimental ratsMicroM amilorideAmiloride-sensitive electrogenic sodium transportNormal rat distal colonEffects of aldosteroneElectroneutral sodium absorptionSodium concentrationApical membrane vesiclesAnalogues of amilorideVoltage-clamp conditionsDietary sodiumNormal ratsAldosterone inductionSodium absorptionColonComparable inhibitionRatsAmilorideAldosteronePotent inhibitorEffects of corticosteroid hormones on the electrophysiology of rat distal colon: implications for Na+ and K+ transport.
Binder H, McGlone F, Sandle G. Effects of corticosteroid hormones on the electrophysiology of rat distal colon: implications for Na+ and K+ transport. The Journal Of Physiology 1989, 410: 425-441. PMID: 2795485, PMCID: PMC1190488, DOI: 10.1113/jphysiol.1989.sp017542.Peer-Reviewed Original ResearchConceptsRU 28362Rat distal colonDistal colonCorticosteroid hormonesChannel blocker tetraethylammonium chlorideEffects of aldosteroneCase of aldosteroneTypes of receptorsChannel blocker amilorideMineralocorticoid receptorEpithelial responseAldosteroneControl animalsGlucocorticoid receptorPattern of responseConventional microelectrodesCell membrane changesTetraethylammonium chlorideCorticosteroidsReceptorsSpironolactoneColonDexamethasoneHormonePotencyCharacterization of aldosterone-induced potassium secretion in rat distal colon.
Sweiry J, Binder H. Characterization of aldosterone-induced potassium secretion in rat distal colon. Journal Of Clinical Investigation 1989, 83: 844-851. PMID: 2921323, PMCID: PMC303757, DOI: 10.1172/jci113967.Peer-Reviewed Original Research
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
1986
Role of Aldosterone in the Regulation of Sodium and Chloride Transport in the Distal Colon of Sodium-Depleted Rats
Halevy J, Budinger M, Hayslett J, Binder H. Role of Aldosterone in the Regulation of Sodium and Chloride Transport in the Distal Colon of Sodium-Depleted Rats. Gastroenterology 1986, 91: 1227-1233. PMID: 3758615, DOI: 10.1016/s0016-5085(86)80021-x.Peer-Reviewed Original ResearchConceptsElectroneutral sodium chloride absorptionElectrogenic sodium absorptionSodium chloride absorptionRole of aldosteroneSodium-depleted animalsSodium absorptionChloride absorptionAldosterone infusionDistal colonPotassium secretionAmiloride-sensitive sodium absorptionContinuous aldosterone infusionDietary sodium depletionDistal colonic mucosaElevated aldosterone levelsActive potassium secretionRat distal colonAddition of amilorideRegulation of sodiumVoltage-clamp conditionsAldosterone levelsTime-dependent mannerSodium depletionColonic mucosaAldosteroneDietary potassium modulates active potassium absorption and secretion in rat distal colon
Foster E, Sandle G, Hayslett J, Binder H. Dietary potassium modulates active potassium absorption and secretion in rat distal colon. American Journal Of Physiology 1986, 251: g619-g626. PMID: 3022598, DOI: 10.1152/ajpgi.1986.251.5.g619.Peer-Reviewed Original ResearchConceptsNet potassium absorptionNet potassium secretionPotassium secretionDistal colonic mucosaPotassium-loaded ratsRat distal colonPotassium transportActive potassium absorptionDietary potassiumPotassium absorptionColonic mucosaDistal colonMucosal amilorideLarge intestinePotassium depletionBody storesActive potassium transportSecretionBathing solutionPotassium loadingGroupK fluxesMucosaColonControlSodium and chloride transport in the large intestine of potassium-loaded rats
Budinger M, Foster E, Hayslett J, Binder H. Sodium and chloride transport in the large intestine of potassium-loaded rats. American Journal Of Physiology 1986, 251: g249-g252. PMID: 2426972, DOI: 10.1152/ajpgi.1986.251.2.g249.Peer-Reviewed Original ResearchConceptsPotassium secretionSodium absorptionRat distal colonic mucosaElectroneutral sodium chloride absorptionPotassium loadingNa-K-ATPase activityElectrogenic sodium absorptionDistal colonic mucosaActive potassium secretionPotassium-loaded ratsNet sodium absorptionSodium chloride absorptionActive sodium transportVoltage-clamp conditionsDietary potassiumColonic functionColonic mucosaNet chloride fluxNet sodium fluxJNanetNet sodiumLarge intestineChloride fluxSodium transportIdentical increasePotassium/proton exchange in brush-border membrane of rat ileum
Binder H, Murer H. Potassium/proton exchange in brush-border membrane of rat ileum. The Journal Of Membrane Biology 1986, 91: 77-84. PMID: 3735407, DOI: 10.1007/bf01870217.Peer-Reviewed Original Research
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 chlorideEvidence that aldosterone influences transport in target tissues by dissimilar mechanisms
Hirsch D, Pace P, Binder H, Hayslett J. Evidence that aldosterone influences transport in target tissues by dissimilar mechanisms. American Journal Of Physiology 1985, 248: f507-f512. PMID: 3985157, DOI: 10.1152/ajprenal.1985.248.4.f507.Peer-Reviewed Original ResearchConceptsProximal colonDistal colonSodium absorptionEffects of hyperaldosteronismSodium-free dietTarget tissuesAction of aldosteroneNet sodium absorptionRat proximal colonTransmural potential differenceAldosterone influencesHormone-induced changesSecondary hyperaldosteronismPotassium secretionControl animalsNet sodiumColonExperimental animalsHyperaldosteronismAldosteroneSodium transportProximal portionElectrolyte transportMicroA xTissueRole of Aldosterone and Dietary Potassium in Potassium Adaptation in the Distal Colon of the Rat
Foster E, Jones W, Hayslett J, Binder H. Role of Aldosterone and Dietary Potassium in Potassium Adaptation in the Distal Colon of the Rat. Gastroenterology 1985, 88: 41-46. PMID: 3964771, DOI: 10.1016/s0016-5085(85)80130-x.Peer-Reviewed Original ResearchConceptsPotassium-enriched dietChronic potassium loadingNet potassium secretionAldosterone levelsDietary potassiumPotassium adaptationNet potassium transportPotassium secretionAldosterone-independent mechanismsBasal aldosterone levelsPotassium-loaded animalsRole of aldosteronePotassium loadingInfusion of aldosteroneDistal colonic mucosaEffects of aldosteroneIntact adrenal glandsNet potassium absorptionPotassium transportAdrenal glandDistal colonColonic mucosaIntact ratsAdrenalectomized animalsExperimental rats
1984
Colonic potassium transport.
Foster E, Hayslett J, Binder H. Colonic potassium transport. Kroc Foundation Series 1984, 17: 47-63. PMID: 6096514.Peer-Reviewed Original Research
1983
Cyclic Adenosine Monophosphate Stimulates Active Potassium Secretion in the Rat Colon
Foster E, Sandle G, Hayslett J, Binder H. Cyclic Adenosine Monophosphate Stimulates Active Potassium Secretion in the Rat Colon. Gastroenterology 1983, 84: 324-330. PMID: 6293907, DOI: 10.1016/s0016-5085(83)80130-9.Peer-Reviewed Original ResearchConceptsActive potassium secretionNormal potassium dietPotassium secretionNet potassium secretionPotassium dietCyclic adenosine monophosphateDibutyryl cyclic adenosine monophosphateRat colonAdenosine monophosphatePotassium-loaded animalsCholinergic muscarinic agonistHigh potassium dietProximal colonic mucosaCalcium-dependent processesX cm2