2014
Kir1.1 (ROMK) and Kv7.1 (KCNQ1/KvLQT1) are essential for normal gastric acid secretion: importance of functional Kir1.1
Vucic E, Alfadda T, MacGregor GG, Dong K, Wang T, Geibel JP. Kir1.1 (ROMK) and Kv7.1 (KCNQ1/KvLQT1) are essential for normal gastric acid secretion: importance of functional Kir1.1. Pflügers Archiv - European Journal Of Physiology 2014, 467: 1457-1468. PMID: 25127675, DOI: 10.1007/s00424-014-1593-0.Peer-Reviewed Original ResearchConceptsGastric parietal cellsPotassium channelsParietal cellsΒ-subunitKir1.1 channelsWild-type miceSecretagogue-stimulated gastric acid secretionApical poleGastric glandsLeak pathwayPotential therapeutic targetKir1.1Proton secretionRegulatory characteristicsKv7.1Therapeutic targetATPaseCell numberParietal cell numberCellsNormal gastric acid secretionSecretionInhibitorsAcid secretionMice
2006
ΔF508 Mutation Results in Impaired Gastric Acid Secretion*
Sidani SM, Kirchhoff P, Socrates T, Stelter L, Ferreira E, Caputo C, Roberts KE, Bell RL, Egan ME, Geibel JP. ΔF508 Mutation Results in Impaired Gastric Acid Secretion*. Journal Of Biological Chemistry 2006, 282: 6068-6074. PMID: 17178714, DOI: 10.1074/jbc.m608427200.Peer-Reviewed Original ResearchConceptsCystic fibrosis transmembrane conductance regulatorATP-binding cassette (ABC) transportersFibrosis transmembrane conductance regulatorTransmembrane conductance regulatorMouse gastric glandsParietal cellsMultifunctional proteinCFTR proteinRegulatory proteinsTransport proteinsCassette transportersConductance regulatorRegulatory roleApical poleSecretagogue-induced acid secretionGland lumenGastric glandsSulfonylurea receptorProteinImpaired gastric acid secretionK-ATPaseCl(-) secretionImmunofluorescent localizationCl- channelsATP-sensitive potassium channels
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
1998
Cyclic AMP stimulates sorting of the canalicular organic anion transporter (Mrp2/cMoat) to the apical domain in hepatocyte couplets
Roelofsen H, Soroka C, Keppler D, Boyer J. Cyclic AMP stimulates sorting of the canalicular organic anion transporter (Mrp2/cMoat) to the apical domain in hepatocyte couplets. Journal Of Cell Science 1998, 111: 1137-1145. PMID: 9512509, DOI: 10.1242/jcs.111.8.1137.Peer-Reviewed Original ResearchConceptsTransport proteinsApical membraneApical domainTransporter-containing vesiclesMultidrug resistance protein 2Protein 2Cell-cell contactMicrotubule-dependent fashionBasolateral plasma membraneApical proteinsEffect of cAMPVesicle trafficAnion transportersSecretory polarityOrganic anion transportersPlasma membraneCanalicular membraneAnion transport capacityTransport activityApical excretionApical poleCanalicular organic anion transportMultispecific organic anion transporterAmphiphilic organic anionsTransport function
1995
The distribution of Na+,K+-atpase and 5a11 antigen in apical microvilli of the retinal pigment epithelium is unrelated to α-spectrin
Rizzolo L, Zhou S. The distribution of Na+,K+-atpase and 5a11 antigen in apical microvilli of the retinal pigment epithelium is unrelated to α-spectrin. Journal Of Cell Science 1995, 108: 3623-3633. PMID: 8586673, DOI: 10.1242/jcs.108.11.3623.Peer-Reviewed Original ResearchConceptsAlpha-spectrinPlasma membranePlasma membrane proteinsDevelopment of polarityLateral plasma membraneBasal plasma membraneMembrane proteinsCortical cytoskeletonMacromolecular complexesBeta spectrinAnkyrinChick embryogenesisApical poleCytoskeletonEmbryonic day 6RPE microvilliLateral membranesReceptor proteinMost epitheliaSpectrin distributionΑ-spectrinApical membraneIon pumpsApical microvilliProtein
1994
Subcellular localization of CFTR to endosomes in a ductal epithelium
Webster P, Vanacore L, Nairn A, Marino C. Subcellular localization of CFTR to endosomes in a ductal epithelium. American Journal Of Physiology 1994, 267: c340-c348. PMID: 7521124, DOI: 10.1152/ajpcell.1994.267.2.c340.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell MembraneCystic FibrosisCystic Fibrosis Transmembrane Conductance RegulatorEndocytosisEpitheliumFluorescent Antibody TechniqueImmunohistochemistryMaleMembrane ProteinsMicroscopy, FluorescenceOrganellesRatsRats, Sprague-DawleyReceptors, Cell SurfaceSubcellular FractionsSubmandibular GlandTissue DistributionConceptsCystic fibrosis transmembrane conductance regulatorPlasma membraneFibrosis transmembrane conductance regulatorApical plasma membraneAnti-CFTR antibodiesNormal epithelial cell populationsTransmembrane conductance regulatorCytochemical evidenceReceptor-mediated endocytosisCFTR moleculesEpithelial cell populationsCellular processesSubcellular compartmentsSubcellular localizationEarly endosomesMembrane recyclingConductance regulatorSubcellular distributionSubapical vesiclesApical poleEndosomesCFTR functionImmunoelectron microscopyCell populationsCFTR immunoreactivity
1990
The distribution of Na+,K+-ATPase in the retinal pigmented epithelium from chicken embryo is polarized in vivo but not in primary cell culture
Rizzolo L. The distribution of Na+,K+-ATPase in the retinal pigmented epithelium from chicken embryo is polarized in vivo but not in primary cell culture. Experimental Eye Research 1990, 51: 435-446. PMID: 2170160, DOI: 10.1016/0014-4835(90)90156-o.Peer-Reviewed Original ResearchConceptsBasolateral plasma membranePlasma membranePrimary cell culturesPlasma membrane proteinsFunctional tight junctionsCultured RPEChicken embryosMatrix-coated filtersExtracellular matrix coatingCell culturesMembrane proteinsVesicular stomatitis virusMorphological polarityApical poleCultured cellsApical membraneEngelbreth-HolmJunctional complexesSwarm tumorEmbryonic eyeStomatitis virusATPaseBasolateral membraneSerum-free mediumTight junctions
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