2013
Identification of Functionally Distinct Na-HCO3 Co-Transporters in Colon
Barmeyer C, Ye JH, Soroka C, Geibel P, Hingsammer LM, Weitgasser L, Atway D, Geibel JP, Binder HJ, Rajendran VM. Identification of Functionally Distinct Na-HCO3 Co-Transporters in Colon. PLOS ONE 2013, 8: e62864. PMID: 23690961, PMCID: PMC3653958, DOI: 10.1371/journal.pone.0062864.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAnimalsCell MembraneColonKineticsProtein TransportRatsRats, Sprague-DawleyRNA, MessengerSodium-Bicarbonate SymportersConceptsNa-HCO3 cotransportDistal colonProximal colonNBC activityNBC isoformsRat colonColonic epithelial cellsCrypt glandsSensitive transporterHCO3- secretionColonHCO3-dependent mechanismEpithelial cellsSaturable processHOE694Isoform 1Basolateral membraneCotransportPCR analysisNorthern blotDIDSMolecular studiesMolecular identityApparent KiCritical role
2004
Three distinct mechanisms of HCO3− secretion in rat distal colon
Vidyasagar S, Rajendran VM, Binder HJ. Three distinct mechanisms of HCO3− secretion in rat distal colon. American Journal Of Physiology - Cell Physiology 2004, 287: c612-c621. PMID: 15308466, DOI: 10.1152/ajpcell.00474.2003.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAnimalsBicarbonatesBiological TransportButyratesChloride-Bicarbonate AntiportersChlorineColonCyclic AMPIntestinal MucosaIon TransportIsobutyratesMaleRatsRats, Sprague-DawleyConceptsRat distal colonShort-chain fatty acidsColonic mucosaDistal colonRat distal colonic mucosaDistal colonic mucosaCl- channel blockerSCFA/Channel blockersSerosal layerCrypt cellsCFTR blockerMicroM DIDSApical membrane anion channelApical membraneSecretionDependent secretionColonLumen ClSecretory mechanismMammalian colonBlockersMucosaStat techniqueDIDS
2001
Characterization of apical membrane Cl-dependent Na/H exchange in crypt cells of rat distal colon
Rajendran V, Geibel J, Binder H. Characterization of apical membrane Cl-dependent Na/H exchange in crypt cells of rat distal colon. AJP Gastrointestinal And Liver Physiology 2001, 280: g400-g405. PMID: 11171622, DOI: 10.1152/ajpgi.2001.280.3.g400.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAmilorideAnimalsCell MembraneChloride ChannelsChloridesColonDiet, Sodium-RestrictedDose-Response Relationship, DrugGuanidinesIntestinal MucosaIon TransportNitrobenzoatesRatsRats, Sprague-DawleySodium-Hydrogen ExchangersSulfonesConceptsRat distal colonNa/H exchangeCl- channel blockerDistal colonChannel blockersCrypt cellsIntracellular pH recoveryExchange inhibitor amilorideColonic epithelial cellsApical membrane vesiclesCrypt glandsHigh doseHOE 694NA depletionAcid loadExchange inhibitorInhibitor amiloridePH recoveryEpithelial cellsUptake 1NHE isoformsAnion exchange inhibitorBlockersColonNa uptakeNa+-dependent fluid absorption in intact perfused rat colonic crypts
Geibel J, Rajendran V, Binder H. Na+-dependent fluid absorption in intact perfused rat colonic crypts. Gastroenterology 2001, 120: 144-150. PMID: 11208723, DOI: 10.1053/gast.2001.20890.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAnimalsBicarbonatesChloridesColonGanglionic StimulantsGlutamatesIn Vitro TechniquesIntestinal AbsorptionInulinIsotonic SolutionsMalePerfusionQuaternary Ammonium CompoundsRatsRats, Sprague-DawleyRinger's SolutionSodiumSodium-Hydrogen ExchangersTritiumConceptsNet fluid absorptionRat colonic cryptsCl- channel blockerFluid absorptionNeurohumoral stimulationChannel blockersColonic cryptsLumen ClAbsorptive processesInhibitor of NaCl(-) secretionAbstractTextCrypt cellsExchange inhibitorMicroperfusion techniqueFluid secretionL DIDSAmiloride analoguesMammalian colonSecretionAnion exchange inhibitorCryptsSignificant increaseAIMSSecretory process
1999
Role of Cl channels in Cl-dependent Na/H exchange
Rajendran V, Geibel J, Binder H. Role of Cl channels in Cl-dependent Na/H exchange. American Journal Of Physiology 1999, 276: g73-g78. PMID: 9886981, DOI: 10.1152/ajpgi.1999.276.1.g73.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAnimalsAnionsCell MembraneChloride ChannelsChloridesColonHydrogen-Ion ConcentrationIn Vitro TechniquesIntracellular MembranesIon ExchangeMaleNitrobenzoatesOsmolar ConcentrationRatsRats, Sprague-DawleySodium-Hydrogen ExchangersConceptsNa/H exchangeCl- channel blockerChannel blockersMicroM DIDSNa/H exchange activityCystic fibrosis transmembrane conductance regulatorIntracellular pH recoveryRat distal colonCl- channelsH exchange activityDistal colonCrypt lumenCrypt cellsAcid loadExchange inhibitorApical membranePH recoveryCl(-) dependenceAnion exchange inhibitorCl- channel activityChannel activityBlockersH exchangePolyclonal antibodiesCl- conductanceDistribution and regulation of apical Cl/anion exchanges in surface and crypt cells of rat distal colon
Rajendran V, Binder H. Distribution and regulation of apical Cl/anion exchanges in surface and crypt cells of rat distal colon. American Journal Of Physiology 1999, 276: g132-g137. PMID: 9886988, DOI: 10.1152/ajpgi.1999.276.1.g132.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAnimalsAntiportersBicarbonatesBiological TransportCell MembraneChloride-Bicarbonate AntiportersChloridesColonKineticsRatsRats, Sprague-DawleySodiumTissue Distribution
1993
Bicarbonate-stimulated [14C]butyrate uptake in basolateral membrane vesicles of rat distal colon
Reynolds D, Rajendran V, Binder H. Bicarbonate-stimulated [14C]butyrate uptake in basolateral membrane vesicles of rat distal colon. Gastroenterology 1993, 105: 725-732. PMID: 8359643, DOI: 10.1016/0016-5085(93)90889-k.Peer-Reviewed Original ResearchCl-HCO3 and Cl-OH exchanges mediate Cl uptake in apical membrane vesicles of rat distal colon
Rajendran V, Binder H. Cl-HCO3 and Cl-OH exchanges mediate Cl uptake in apical membrane vesicles of rat distal colon. American Journal Of Physiology 1993, 264: g874-g879. PMID: 8498514, DOI: 10.1152/ajpgi.1993.264.5.g874.Peer-Reviewed Original ResearchMeSH Keywords4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAmilorideAnimalsBicarbonatesBiological TransportBumetanideCarrier ProteinsCell MembraneChloride-Bicarbonate AntiportersChloridesColonDose-Response Relationship, DrugHydrogen-Ion ConcentrationKineticsMembrane ProteinsOxalatesRatsRats, Sprague-Dawley
1991
Sodium uptake across basolateral membrane of rat distal colon. Evidence for Na-H exchange and Na-anion cotransport.
Rajendran V, Oesterlin M, Binder H. Sodium uptake across basolateral membrane of rat distal colon. Evidence for Na-H exchange and Na-anion cotransport. Journal Of Clinical Investigation 1991, 88: 1379-1385. PMID: 1655829, PMCID: PMC295609, DOI: 10.1172/jci115444.Peer-Reviewed Original ResearchMeSH Keywords4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAmilorideAnimalsBicarbonatesBiological TransportColonHydrogen-Ion ConcentrationIn Vitro TechniquesProtonsRatsRats, Inbred StrainsSodiumConceptsRat distal colonMechanism of short-chain fatty acid uptake by apical membrane vesicles of rat distal colon
Mascolo N, Rajendran V, Binder H. Mechanism of short-chain fatty acid uptake by apical membrane vesicles of rat distal colon. Gastroenterology 1991, 101: 331-338. PMID: 2065907, DOI: 10.1016/0016-5085(91)90008-9.Peer-Reviewed Original ResearchMeSH Keywords4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAnimalsAnionsBicarbonatesBiological Transport, ActiveButyratesButyric AcidCell MembraneColonFatty Acids, VolatileHydrogen-Ion ConcentrationIn Vitro TechniquesIntestinal AbsorptionRatsRats, Inbred Strains
1986
Ion transport in proximal colon of the rat. Sodium depletion stimulates neutral sodium chloride absorption.
Foster E, Budinger M, Hayslett J, Binder H. Ion transport in proximal colon of the rat. Sodium depletion stimulates neutral sodium chloride absorption. Journal Of Clinical Investigation 1986, 77: 228-235. PMID: 2418060, PMCID: PMC423331, DOI: 10.1172/jci112281.Peer-Reviewed Original ResearchMeSH Keywords4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAcetazolamideAmilorideAnimalsBiological Transport, ActiveColonHyperaldosteronismIntestinal AbsorptionIntestinal MucosaIon ChannelsMaleRatsRats, Inbred StrainsSodium ChlorideTheophyllineConceptsMu eq/hSodium-hydrogen exchangeProximal colonSodium depletionSodium absorptionDistal colonNeutral sodium chloride absorptionDistal segmentsAmiloride-sensitive sodium absorptionNet sodium absorptionSodium-depleted ratsRat distal colonSodium chloride absorptionNeutral sodium absorptionHydrogen ion secretionSecondary hyperaldosteronismParallel fallRat colonControl groupMM amilorideMucosal amilorideJNanetColonIon secretionChloride absorption