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
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 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