2015
Restoration of cytoskeletal and membrane tethering defects but not defects in membrane trafficking in the intestinal brush border of mice lacking both myosin Ia and myosin VI
Hegan PS, Kravtsov DV, Caputo C, Egan ME, Ameen NA, Mooseker MS. Restoration of cytoskeletal and membrane tethering defects but not defects in membrane trafficking in the intestinal brush border of mice lacking both myosin Ia and myosin VI. Cytoskeleton 2015, 72: 455-476. PMID: 26286357, PMCID: PMC4715533, DOI: 10.1002/cm.21238.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsApoptosisCell MembraneCell NucleusColitisCrosses, GeneticCystic Fibrosis Transmembrane Conductance RegulatorCytoskeletonDisease ProgressionDuodenumEndosomesEpitheliumGenotypeIn Situ Nick-End LabelingIntestinal MucosaIntestinesMaleMiceMice, KnockoutMicroscopy, Electron, TransmissionMicroscopy, FluorescenceMicrovilliMutationMyosin Heavy ChainsMyosin Type IPhosphates
2013
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 membraneCFTR
2001
Anomalous apical plasma membrane phenotype in CK8-deficient mice indicates a novel role for intermediate filaments in the polarization of simple epithelia
Ameen N, Figueroa Y, Salas P. Anomalous apical plasma membrane phenotype in CK8-deficient mice indicates a novel role for intermediate filaments in the polarization of simple epithelia. Journal Of Cell Science 2001, 114: 563-575. PMID: 11171325, DOI: 10.1242/jcs.114.3.563.Peer-Reviewed Original ResearchConceptsIntermediate filamentsPolarized epithelial cellsApical membrane proteinsEpithelial cellsSyntaxin 3Apical domainFemale sterilityMembrane proteinsApical markerNovel functionGamma-tubulinNovel roleApical poleSimple epitheliaCell typesColorectal hyperplasiaCK intermediate filamentsNull micePhenotypeBasolateral levelsNecrotic cellsMembrane phenotypeCellsFilamentsCytoplasm of enterocytes
2000
Cellular localization of the cystic fibrosis transmembrane conductance regulator in mouse intestinal tract
Ameen N, Alexis J, Salas P. Cellular localization of the cystic fibrosis transmembrane conductance regulator in mouse intestinal tract. Histochemistry And Cell Biology 2000, 114: 69-75. PMID: 10959824, DOI: 10.1007/s004180000164.Peer-Reviewed Original ResearchConceptsMouse intestinal tractCystic fibrosisIntestinal tractCystic fibrosis transmembrane conductance regulatorSmall intestinal obstructionSevere gastrointestinal diseasePathophysiology of CFMouse model systemFibrosis transmembrane conductance regulatorVillus distributionTransmembrane conductance regulatorIntestinal obstructionDifferent phenotypic expressionsCF intestineGastrointestinal diseasesBicarbonate secretionTransgenic miceHuman CF diseaseSmall intestineDisease expressionImmunoblot techniqueLethal obstructionMouse intestineMiceConductance regulator
1996
A delta F508 mutation in mouse cystic fibrosis transmembrane conductance regulator results in a temperature-sensitive processing defect in vivo.
French PJ, van Doorninck JH, Peters RH, Verbeek E, Ameen NA, Marino CR, de Jonge HR, Bijman J, Scholte BJ. A delta F508 mutation in mouse cystic fibrosis transmembrane conductance regulator results in a temperature-sensitive processing defect in vivo. Journal Of Clinical Investigation 1996, 98: 1304-1312. PMID: 8823295, PMCID: PMC507556, DOI: 10.1172/jci118917.Peer-Reviewed Original Research