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 ResearchConceptsNa-HCO3 cotransportDistal colonProximal colonNBC activityNBC isoformsRat colonColonic epithelial cellsCrypt glandsSensitive transporterHCO3- secretionColonHCO3-dependent mechanismEpithelial cellsSaturable processHOE694Isoform 1Basolateral membraneCotransportPCR analysisNorthern blotDIDSMolecular studiesMolecular identityApparent KiCritical role
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
2003
Na-H Exchange Function in Colonic Epithelial Cells
Binder H, Rajendran V, Geibel J. Na-H Exchange Function in Colonic Epithelial Cells. 2003, 71-90. DOI: 10.1007/978-1-4615-0427-6_5.Peer-Reviewed Original ResearchColonic epithelial cellsShort-chain fatty acidsEpithelial cellsSmall intestinal epithelial cellsAbsorption of carbohydratesIntestinal epithelial cellsSecretion of fluidEpithelial cell functionNeonatal periodCrypt cellsDistal segmentsCell functionSignificant heterogeneityMammalian colonSecretory processColonFatty acidsCl transportMultiple factorsCellsNutrient absorptionExchange functionHormoneSecretion
2001
Divergent functions of apical membrane Na−H exchanges in apical membrane of surface epithelial cells of rat colon
Selvi K, Rajendran V, Binder H. Divergent functions of apical membrane Na−H exchanges in apical membrane of surface epithelial cells of rat colon. Gastroenterology 2001, 120: a530. DOI: 10.1016/s0016-5085(08)82633-9.Peer-Reviewed Original ResearchCharacterization 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 ResearchConceptsRat 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 uptake
1998
Differential 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
1995
Fluid absorption in isolated perfused colonic crypts.
Singh S, Binder H, Boron W, Geibel J. Fluid absorption in isolated perfused colonic crypts. Journal Of Clinical Investigation 1995, 96: 2373-2379. PMID: 7593625, PMCID: PMC185889, DOI: 10.1172/jci118294.Peer-Reviewed Original ResearchConceptsCrypt cellsNM vasoactive intestinal peptideFluid absorptionLarge intestinal functionColonic cryptsVasoactive intestinal peptideLamina propria cellsNet fluid secretionRat distal colonNet fluid absorptionDibutyryl cyclic AMPIntestinal peptideDistal colonIntestinal functionLamina propriaPathophysiological paradigmCrypt preparationMM acetylcholineBasal stateNeurohumoral agonistsFluid secretionCellular elementsEpithelial cellsIntestinal cryptsCrypts
1993
A putative H(+)-K(+)-ATPase is selectively expressed in surface epithelial cells of rat distal colon
Jaisser F, Coutry N, Farman N, Binder H, Rossier B. A putative H(+)-K(+)-ATPase is selectively expressed in surface epithelial cells of rat distal colon. American Journal Of Physiology 1993, 265: c1080-c1089. PMID: 8238299, DOI: 10.1152/ajpcell.1993.265.4.c1080.Peer-Reviewed Original Research
1990
Pathophysiology of acute diarrhea
Binder H. Pathophysiology of acute diarrhea. The American Journal Of Medicine 1990, 88: s2-s4. PMID: 2356845, DOI: 10.1016/0002-9343(90)90267-h.Peer-Reviewed Original ResearchConceptsFluid absorptionAcute infectious diarrheaMajor health problemSpecific pathogenic mechanismsElectrolyte movementStool consistencyStool frequencyIntestinal motilityStool volumeAcute diarrheaIntestinal secretionInfectious diarrheaAntidiarrheal agentsWater excretionDiarrheaPathogenic mechanismsInfectious agentsHealth problemsIntestinal tractEpithelial cellsTissue invasionLuminal osmolalitySymptomsEnterotoxin productionSigns