2005
Role of short-chain fatty acids in colonic HCO3 secretion
Vidyasagar S, Barmeyer C, Geibel J, Binder HJ, Rajendran VM. Role of short-chain fatty acids in colonic HCO3 secretion. AJP Gastrointestinal And Liver Physiology 2005, 288: g1217-g1226. PMID: 15677553, DOI: 10.1152/ajpgi.00415.2004.Peer-Reviewed Original ResearchConceptsShort-chain fatty acidsSCFA/SCFA transportApical membrane vesiclesMM butyrateSurface epithelial cellsFatty acidsSCFA metabolismColonic mucosaHCO3- secretionCrypt cellsCarrier-mediated processLucite chamberSecretionColonic cryptsEpithelial cellsComparable degreeButyrate stimulationChannel activityButyrate uptakeStat techniqueCryptsAnion channel activityDIDSButyrate
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