2010
Role of Colonic Short-Chain Fatty Acid Transport in Diarrhea
Binder HJ. Role of Colonic Short-Chain Fatty Acid Transport in Diarrhea. Annual Review Of Physiology 2010, 72: 297-313. PMID: 20148677, DOI: 10.1146/annurev-physiol-021909-135817.Peer-Reviewed Original ResearchConceptsShort-chain fatty acidsColonic microbiotaProduction of SCFAsOral rehydration solutionYears of ageShort-chain fatty acid transportAdministration of PEGColonic epithelial cellsAcute diarrheaRehydration solutionSCFA synthesisCyclic AMP-independent processFatty acid transportDiarrheaApical membrane NaFluid absorptionEpithelial cellsSCFA productionAcid transportORSFatty acidsMicrobiotaMembrane NaStoolColon
2006
Evaluation of Oral Rehydration Solution by Whole‐Gut Perfusion in Rats: Effect of Osmolarity, Sodium Concentration and Resistant Starch
Subramanya S, Ramakrishna BS, Binder HJ, Farthing MJ, Young GP. Evaluation of Oral Rehydration Solution by Whole‐Gut Perfusion in Rats: Effect of Osmolarity, Sodium Concentration and Resistant Starch. Journal Of Pediatric Gastroenterology And Nutrition 2006, 43: 568-575. PMID: 17130730, DOI: 10.1097/01.mpg.0000239998.43141.b2.Peer-Reviewed Original ResearchConceptsOsmolarity oral rehydration solutionGlucose-ORSOral rehydration solutionNet water absorptionRehydration solutionWhole-gut perfusionSmall bowel absorptionColonic fluid absorptionSeverity of diarrheaAmylase-resistant starchSteady-state perfusionEscherichia coli heat-stable enterotoxinColi heat-stable enterotoxinBowel perfusionBowel absorptionSevere diarrheaDifferent etiologiesHigher net absorptionSegmental perfusionWistar ratsHeat-stable enterotoxinClinical practiceNet secretionExperimental animalsPerfusion
2004
Zinc inhibits cAMP-stimulated Cl secretion via basolateral K-channel blockade in rat ileum
Hoque KM, Rajendran VM, Binder HJ. Zinc inhibits cAMP-stimulated Cl secretion via basolateral K-channel blockade in rat ileum. AJP Gastrointestinal And Liver Physiology 2004, 288: g956-g963. PMID: 15618279, DOI: 10.1152/ajpgi.00441.2004.Peer-Reviewed Original ResearchMeSH Keywords8-Bromo Cyclic Adenosine MonophosphateAnimalsBariumCarbacholChloridesColforsinCyclic AMPDiarrheaEnterocytesIleumMaleMembrane GlycoproteinsMonosaccharide Transport ProteinsPotassium ChannelsRatsRats, Sprague-DawleySodiumSodium-Glucose Transporter 1Sodium-Potassium-Chloride SymportersSolute Carrier Family 12, Member 2Time FactorsZincConceptsCl(-) secretionRat ileumNa absorptionK channel blockadeBumetanide-sensitive 86Rb uptakeK channelsPresence of ouabainHalf maximal inhibitory concentrationNa-K-ATPaseAcute diarrheaStool outputCAMP-induced Cl- secretionMucosal additionMuscle layerAnion secretionLucite chamberCotransport activitySecretionClamp methodInhibitory concentrationDiarrheaCyclic monophosphateIleumEfflux experimentsSerosal
2003
Apical NHE isoforms differentially regulate butyrate-stimulated Na absorption in rat distal colon
Krishnan S, Rajendran VM, Binder HJ. Apical NHE isoforms differentially regulate butyrate-stimulated Na absorption in rat distal colon. American Journal Of Physiology - Cell Physiology 2003, 285: c1246-c1254. PMID: 12878493, DOI: 10.1152/ajpcell.00598.2002.Peer-Reviewed Original Research
2001
Na+-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
2000
Basolateral K-Cl Cotransporter Regulates Colonic Potassium Absorption in Potassium Depletion*
Sangan P, Brill S, Sangan S, Forbush B, Binder H. Basolateral K-Cl Cotransporter Regulates Colonic Potassium Absorption in Potassium Depletion*. Journal Of Biological Chemistry 2000, 275: 30813-30816. PMID: 10878016, DOI: 10.1074/jbc.m003931200.Peer-Reviewed Original ResearchConceptsK-Cl cotransporterMembrane HK-Cl cotransportActive potassium absorptionProtein expressionBasolateral membranePotassium absorptionK-ATPaseNorthern blot analysisKCC1 mRNACoordinated regulationAlpha-subunit mRNABeta-subunit mRNAMRNA abundanceBlot analysisMRNAExpressionProteinMembraneCotransporterDepletionRat distal colonCDNAKCC1
1999
Differential regulation of NHE isoforms by sodium depletion in proximal and distal segments of rat colon
Ikuma M, Kashgarian M, Binder H, Rajendran V. Differential regulation of NHE isoforms by sodium depletion in proximal and distal segments of rat colon. American Journal Of Physiology 1999, 276: g539-g549. PMID: 9950829, DOI: 10.1152/ajpgi.1999.276.2.g539.Peer-Reviewed Original ResearchConceptsDietary sodium depletionSodium depletionDistal colonRat colonProtein expressionMRNA abundanceBlot analysisDose-dependent inhibitorApical membrane vesiclesElectroneutral NaCl absorptionWestern blot analysisDifferential regulationNormal ratsProximal colonHOE 694Multiple diverse effectsColonDistal segmentsNaCl absorptionNHE isoformsExchange activityExchanger isoformsNorthern blot analysisDifferential effectsPretranslational levelDistribution 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 Research
1998
Heterogeneity of Intestinal Transport
Binder H. Heterogeneity of Intestinal Transport. Digestion 1998, 59: 392-394. PMID: 9693215, DOI: 10.1159/000007495.Peer-Reviewed Original Research
1997
Regulation of colonic H-K-ATPase in large intestine and kidney by dietary Na depletion and dietary K depletion
Sangan P, Rajendran V, Mann A, Kashgarian M, Binder H. Regulation of colonic H-K-ATPase in large intestine and kidney by dietary Na depletion and dietary K depletion. American Journal Of Physiology 1997, 272: c685-c696. PMID: 9124313, DOI: 10.1152/ajpcell.1997.272.2.c685.Peer-Reviewed Original ResearchConceptsDietary K depletionDistal colonNA depletionK-ATPase activityProximal colonLarge intestineRat distal colonActive K absorptionK-ATPaseRenal collecting ductsDietary NaK-ATPase expressionK-ATPase isoformsK depletionRat colonCollecting ductsOuter medullaColonProtein expressionProtein levelsKidneyPolyclonal antibodiesIntestineDuctMRNA
1995
Chloride-dependent Na-H Exchange A NOVEL MECHANISM OF SODIUM TRANSPORT IN COLONIC CRYPTS*
Rajendran V, Geibel J, Binder H. Chloride-dependent Na-H Exchange A NOVEL MECHANISM OF SODIUM TRANSPORT IN COLONIC CRYPTS*. Journal Of Biological Chemistry 1995, 270: 11051-11054. PMID: 7744735, DOI: 10.1074/jbc.270.19.11051.Peer-Reviewed Original ResearchConceptsNa-H exchangeColonic crypt cellsCrypt cellsAcid loadRat distal colonApical membrane vesiclesNovel transport processRate of intracellularDistal colonMM amilorideSodium transportApical membraneGradient stimulationColonic cryptsAmiloride inhibitionSodium movementNovel mechanismOutward gradientCompelling evidenceCellsSodiumUptakePrior studiesColonRecovery
1994
Differential modulation of Na-HCO3 cotransport and Na-H exchange by pH in basolateral membrane vesicles of rat distal colon.
Rajendran V, Binder H. Differential modulation of Na-HCO3 cotransport and Na-H exchange by pH in basolateral membrane vesicles of rat distal colon. Journal Of Biological Chemistry 1994, 269: 156-160. PMID: 8276790, DOI: 10.1016/s0021-9258(17)42328-3.Peer-Reviewed Original ResearchConceptsMembrane vesiclesDifferent cellular functionsBasolateral membrane vesiclesProton concentration gradientCellular functionsIntravesicular protonsApparent KmVesiclesTransport systemNa-H exchangeCotransportDifferential modulationHigh proton concentrationProton concentrationProton stimulationNa-HCO3 cotransportConcentration gradientKmRat distal colonProteinSeparate mechanismsVmax
1993
Inhibition of VIP-stimulated ion transport by a novel Y-receptor phenotype in rabbit distal colon
Ballantyne G, Goldenring J, Fleming F, Rush S, Flint J, Fielding L, Binder H, Modlin I. Inhibition of VIP-stimulated ion transport by a novel Y-receptor phenotype in rabbit distal colon. American Journal Of Physiology 1993, 264: g848-g854. PMID: 8388641, DOI: 10.1152/ajpgi.1993.264.5.g848.Peer-Reviewed Original ResearchConceptsVIP-stimulated increasesPeptide YYNeuropeptide YPancreatic polypeptideRabbit distal colonDistal colonRabbit distal colonic mucosaBasal short-circuit currentTetrodotoxin-insensitive mechanismVasoactive intestinal polypeptideDistal colonic mucosaColonic secretionIntestinal polypeptideReceptor phenotypeColonic mucosaParacrine regulatorVIP stimulationUssing chambersTissue cAMPPotent inhibitionCl fluxCyclic monophosphateColonInhibitionStimulation
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-ethylmaleimideMucosaActivityOmeprazoleSodium 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 Research
1990
Characterization of Na-H exchange in apical membrane vesicles of rat colon.
Rajendran V, Binder H. Characterization of Na-H exchange in apical membrane vesicles of rat colon. Journal Of Biological Chemistry 1990, 265: 8408-8414. PMID: 2160456, DOI: 10.1016/s0021-9258(19)38902-1.Peer-Reviewed Original ResearchActive 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 constantsOmeprazoleATPaseSecretionAldosterone and glucocorticoid receptor-specific agonists regulate ion transport in rat proximal colon
Turnamian S, Binder H. Aldosterone and glucocorticoid receptor-specific agonists regulate ion transport in rat proximal colon. American Journal Of Physiology 1990, 258: g492-g498. PMID: 2138421, DOI: 10.1152/ajpgi.1990.258.3.g492.Peer-Reviewed Original ResearchConceptsDietary sodium depletionBody wt-1RU 28362Receptor-specific agonistsSodium depletionPotassium secretionProximal colonDay 1Glucocorticoid receptorWT-1Cl absorptionAdministration of spironolactoneActive potassium secretionRat proximal colonSecondary hyperaldosteronismContinuous infusionAldosteroneGlucocorticoid agonistAgonistsElectrolyte transportSecretionStimulationSignificant increaseInfusionColon
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 NaInfusionColon