Functional vacuolar ATPase (V-ATPase) proton pumps traffic to the enterocyte brush border membrane and require CFTR
Collaco AM, Geibel P, Lee BS, Geibel JP, Ameen NA. Functional vacuolar ATPase (V-ATPase) proton pumps traffic to the enterocyte brush border membrane and require CFTR. American Journal Of Physiology - Cell Physiology 2013, 305: c981-c996. PMID: 23986201, PMCID: PMC4109618, DOI: 10.1152/ajpcell.00067.2013.Peer-Reviewed Original ResearchConceptsV-ATPaseCystic fibrosis transmembrane conductance regulator (CFTR) channelV-ATPase complexV-ATPase functionBrush border membraneProton effluxRat Brunner's glandsIntestinal cellsCAMP/PKACaco-2BBe cellsBorder membraneApical domainCoimmunoprecipitation studiesCFTR distributionVacuolar ATPasesSubapical cytoplasmSpecific subunitsCAMP stimulationProton pumpCAMP treatmentEnterocyte brush border membraneSodium-hydrogen exchangerHydrogen exchangerApical membraneCFTRRole of Myosin1a in regulated exocytosis of CFTR in villus enterocytes
Hoekstra N, Kravtsov D, Mooseker M, Ameen N. Role of Myosin1a in regulated exocytosis of CFTR in villus enterocytes. The FASEB Journal 2013, 27: 913.11-913.11. DOI: 10.1096/fasebj.27.1_supplement.913.11.Peer-Reviewed Original ResearchSurface biotinylationRegulated exocytosisCFTR trafficSurface CFTRSubapical endosomesBrush border membraneMembrane traffickingCFTR deliveryKD cellsKnockdown cellsCFTR channelsCFTR distributionVillus enterocytesMolecular mechanismsEnterocyte brush border membraneCFTRBiotinylationConfocal microscopyEndosomesIntestinal brush border membraneMouse intestineExocytosisCGMP agonistMyo1aBorder membrane