2015
Knockdown of ezrin causes intrahepatic cholestasis by the dysregulation of bile fluidity in the bile duct epithelium in mice
Hatano R, Akiyama K, Tamura A, Hosogi S, Marunaka Y, Caplan MJ, Ueno Y, Tsukita S, Asano S. Knockdown of ezrin causes intrahepatic cholestasis by the dysregulation of bile fluidity in the bile duct epithelium in mice. Hepatology 2015, 61: 1660-1671. PMID: 25311759, PMCID: PMC6083834, DOI: 10.1002/hep.27565.Peer-Reviewed Original ResearchConceptsBile duct proliferationIntrahepatic cholestasisDuct proliferationExtensive bile duct proliferationBiliary HCO3- concentrationImmortalized mouse cholangiocytesSevere intrahepatic cholestasisAquaporin-1Cystic fibrosis transmembrane conductance regulatorBile duct epitheliumBile acid accumulationSurface expressionBile duct morphologyReduced functional expressionPeriportal fibrosisBile ductInflammatory cellsBile flowCholestatic diseasePeriductular fibrosisBiliary epitheliumHepatic disordersAnion exchanger 2Useful modelVirus infection
2011
AMP-activated Protein Kinase (AMPK) Activation and Glycogen Synthase Kinase-3β (GSK-3β) Inhibition Induce Ca2+-independent Deposition of Tight Junction Components at the Plasma Membrane* ♦
Zhang L, Jouret F, Rinehart J, Sfakianos J, Mellman I, Lifton RP, Young LH, Caplan MJ. AMP-activated Protein Kinase (AMPK) Activation and Glycogen Synthase Kinase-3β (GSK-3β) Inhibition Induce Ca2+-independent Deposition of Tight Junction Components at the Plasma Membrane* ♦. Journal Of Biological Chemistry 2011, 286: 16879-16890. PMID: 21383016, PMCID: PMC3089531, DOI: 10.1074/jbc.m110.186932.Peer-Reviewed Original ResearchMeSH KeywordsAMP-Activated Protein KinasesAnimalsCadherinsCalciumCell AdhesionCell MembraneDogsEpitheliumGene Expression Regulation, EnzymologicGlycogen Synthase Kinase 3Glycogen Synthase Kinase 3 betaMembrane ProteinsMicroscopy, FluorescencePhosphoproteinsPhosphorylationRNA InterferenceTight JunctionsZonula Occludens-1 ProteinConceptsProtein kinase activationTight junction componentsJunction componentsPlasma membraneAMPK activationKinase activationGSK-3β inhibitionNectin-afadin systemEpithelial tight junctionsTight junctionsPhosphorylation studiesSynthase kinaseJunctional proteinsAbsence of extracellularDistinct pathwaysCell growthE-cadherinIndependent depositionKinaseActivationInduce Ca2MembraneAfadinExtracellularInhibition
2000
The C-terminal Tail of the Metabotropic Glutamate Receptor Subtype 7 Is Necessary but Not Sufficient for Cell Surface Delivery and Polarized Targeting in Neurons and Epithelia*
McCarthy J, Lim S, Elkind N, Trimmer J, Duvoisin R, Rodriguez-Boulan E, Caplan M. The C-terminal Tail of the Metabotropic Glutamate Receptor Subtype 7 Is Necessary but Not Sufficient for Cell Surface Delivery and Polarized Targeting in Neurons and Epithelia*. Journal Of Biological Chemistry 2000, 276: 9133-9140. PMID: 11106656, DOI: 10.1074/jbc.m008290200.Peer-Reviewed Original ResearchConceptsPolarized targetingCytoplasmic tailIntracellular compartmentsMadin-Darby canine kidney epithelial cellsVesicular stomatitis virus G proteinComplex neuronal functionMDCK cellsCell surface deliveryC-terminal tailCanine kidney epithelial cellsCytoplasmic tail domainVirus G proteinKidney epithelial cellsEntire cell surfaceCell surface expressionCytoplasmic domainTransmembrane portionSurface deliveryTail domainSynaptic microdomainsHuman placental alkaline phosphataseNeuronal polarizationMolecular signalsG proteinsCultured hippocampal neurons
1997
Ion pumps in epithelial cells: sorting, stabilization, and polarity
Caplan MJ. Ion pumps in epithelial cells: sorting, stabilization, and polarity. American Journal Of Physiology 1997, 272: g1304-g1313. PMID: 9227464, DOI: 10.1152/ajpgi.1997.272.6.g1304.Peer-Reviewed Original ResearchMembrane polarity in epithelial cells: protein sorting and establishment of polarized domains
Caplan MJ. Membrane polarity in epithelial cells: protein sorting and establishment of polarized domains. American Journal Of Physiology 1997, 272: f425-f429. PMID: 9140041, DOI: 10.1152/ajprenal.1997.272.4.f425.Peer-Reviewed Original ResearchConceptsTransport proteinsEpithelial cellsDistinct surface domainsEpithelial cell typesProtein sortingBiological specializationCellular pathwaysPlasma membranePolarized epitheliumElegant networkMembrane polarityCell typesBasolateral surfaceDistinct populationsProteinBasolateral portionPhysiological propertiesSurface domainsCellsAbsolute prerequisiteDomainPlasmalemmaPathwaySortingMembrane
1996
Immunolocalization of ion transport proteins in human autosomal dominant polycystic kidney epithelial cells.
Brill SR, Ross KE, Davidow CJ, Ye M, Grantham JJ, Caplan MJ. Immunolocalization of ion transport proteins in human autosomal dominant polycystic kidney epithelial cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 1996, 93: 10206-10211. PMID: 8816777, PMCID: PMC38362, DOI: 10.1073/pnas.93.19.10206.Peer-Reviewed Original ResearchConceptsCyst epithelial cellsEpithelial cellsCystic fibrosis transmembrane conductance regulatorIon transport proteinsFibrosis transmembrane conductance regulatorK-ATPaseApical cystic fibrosis transmembrane conductance regulatorTransmembrane conductance regulatorKidney epithelial cellsK-ATPase proteinRenal epithelial cellsCFTR proteinTransport proteinsConductance regulatorIntracellular structuresFluid-filled cystsApical membraneForskolin treatmentBasolateral surfacePermeable filter supportsApical surfaceProteinCl- channelsApical labelingAutosomal dominant polycystic kidney disease
1994
Sorting of the Gastric H,K‐ATPase in Endocrine and Epithelial Cellsa
ROUSH D, GOTTARDI C, CAPLAN M. Sorting of the Gastric H,K‐ATPase in Endocrine and Epithelial Cellsa. Annals Of The New York Academy Of Sciences 1994, 733: 212-222. PMID: 7978870, DOI: 10.1111/j.1749-6632.1994.tb17271.x.Peer-Reviewed Original ResearchThe axonal gamma-aminobutyric acid transporter GAT-1 is sorted to the apical membranes of polarized epithelial cells.
Pietrini G, Suh YJ, Edelmann L, Rudnick G, Caplan MJ. The axonal gamma-aminobutyric acid transporter GAT-1 is sorted to the apical membranes of polarized epithelial cells. Journal Of Biological Chemistry 1994, 269: 4668-4674. PMID: 8308038, DOI: 10.1016/s0021-9258(17)41828-x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAxonsBetaineCarrier ProteinsCell CompartmentationCell LineCell MembraneCell PolarityCells, CulturedDogsEpitheliumFluorescent Antibody TechniqueGABA Plasma Membrane Transport ProteinsGamma-Aminobutyric AcidIn Vitro TechniquesMembrane ProteinsMembrane Transport ProteinsNerve Tissue ProteinsOrganic Anion TransportersConceptsGamma-aminobutyric acid (GABA) transporter GAT-1MDCK cellsDistinct cell surface domainsEpithelial Madin-Darby canine kidney (MDCK) cell lineTransporter GAT-1Cell surfaceCell surface domainsCell surface biotinylationApical cell surfaceBasolateral cell surfaceEpithelial cellsBGT-1Axonal plasma membraneCell surface membraneSorting signalsCanine kidney cell lineMadin-Darby canine kidney (MDCK) cell lineGAT-1GABA transporterDistinct subdomainsKidney cell lineBetaine transporterHyperosmotic stressSurface biotinylationApical localization
1993
Sorting of ion transport proteins in polarized cells
Gottardi C, Pietrini G, Roush D, Caplan M. Sorting of ion transport proteins in polarized cells. Journal Of Cell Science. Supplement 1993, 1993: 13-20. PMID: 8144688, DOI: 10.1242/jcs.1993.supplement_17.3.Peer-Reviewed Original ResearchConceptsIon transport proteinsTransport proteinsSorting signalsSubunit polypeptidesMultiple sorting signalsEpithelial cellsCell typesPlasma membrane domainsPolarized epithelial cellsClass of proteinsEpithelial sortingNon-epithelial cell typesCellular machineryMembrane domainsFunctional homologyPlasmalemmal domainsPlasma membraneRelated membersCell surfaceIon pumpsDistinct populationsProteinRelated familiesDelivery pathwayDistinct routesFunctional properties of an H,K-ATPase/Na,K-ATPase chimera
Blostein R, Zhang R, Gottardi C, Caplan M. Functional properties of an H,K-ATPase/Na,K-ATPase chimera. Journal Of Biological Chemistry 1993, 268: 10654-10658. PMID: 8387526, DOI: 10.1016/s0021-9258(18)82247-5.Peer-Reviewed Original Research
1992
Isoforms of the Na,K-ATPase are present in both axons and dendrites of hippocampal neurons in culture.
Pietrini G, Matteoli M, Banker G, Caplan MJ. Isoforms of the Na,K-ATPase are present in both axons and dendrites of hippocampal neurons in culture. Proceedings Of The National Academy Of Sciences Of The United States Of America 1992, 89: 8414-8418. PMID: 1326755, PMCID: PMC49930, DOI: 10.1073/pnas.89.18.8414.Peer-Reviewed Original ResearchConceptsHippocampal neuronsAlpha 1Epithelial cellsMature cultured hippocampal neuronsCultured hippocampal neuronsK-ATPase alpha subunitPolarized epithelial cell lineAlpha 3 proteinAlpha 3 isoformDistribution of isoformsEpithelial cell lineRenal epithelial cellsInfluenza glycoproteinsVesicular stomatitis virusNeuronal cellsNeuronsAlpha subunitCell linesStable transfectionStomatitis virusAxonsK-ATPaseIsoformsCellsDendrites
1991
Distinct pathways for basolateral targeting of membrane and secretory proteins in polarized epithelial cells.
Boll W, Partin JS, Katz AI, Caplan MJ, Jamieson JD. Distinct pathways for basolateral targeting of membrane and secretory proteins in polarized epithelial cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 1991, 88: 8592-8596. PMID: 1656451, PMCID: PMC52555, DOI: 10.1073/pnas.88.19.8592.Peer-Reviewed Original ResearchConceptsCarrier vesiclesMembrane proteinsBasolateral domainSecretory proteinsMadin-Darby canine kidney II cell linePolarized epithelial cellsBasement membrane protein lamininEpithelial cellsBasolateral proteinsBasolateral targetingProtein lamininMicrotubule disruptionDistinct pathwaysMicrotubule depolymerizationProteinDistinct setsCell linesBinding sitesBasolateral secretionIntegrinsVesiclesLamininPathwayMembraneCells
1988
Immunocytochemical localization of plasmalemmal proteins in semi-thin sections of epithelial monolayers.
Smith ZD, Caplan MJ, Jamieson JD. Immunocytochemical localization of plasmalemmal proteins in semi-thin sections of epithelial monolayers. Journal Of Histochemistry & Cytochemistry 1988, 36: 311-316. PMID: 2449492, DOI: 10.1177/36.3.2449492.Peer-Reviewed Original ResearchSorting of newly synthesized Na,K-ATPase in polarized epithelial cells.
Caplan MJ, Anderson HC, Palade GE, Jamieson JD. Sorting of newly synthesized Na,K-ATPase in polarized epithelial cells. Progress In Clinical And Biological Research 1988, 268B: 51-8. PMID: 2851829.Peer-Reviewed Original Research
1986
Intracellular sorting and polarized cell surface delivery of (Na+,K+)ATPase, an endogenous component of MDCK cell basolateral plasma membranes
Caplan M, Anderson H, Palade G, Jamieson J. Intracellular sorting and polarized cell surface delivery of (Na+,K+)ATPase, an endogenous component of MDCK cell basolateral plasma membranes. Cell 1986, 46: 623-631. PMID: 3015421, DOI: 10.1016/0092-8674(86)90888-3.Peer-Reviewed Original ResearchConceptsBasolateral plasmalemmal domainsPlasmalemmal domainsNative proteinCell surface deliveryMadin-Darby canine kidney cellsBasolateral plasma membraneBasolateral cell surfacePulse labeling experimentsCanine kidney cellsIntracellular sortingProper sortingSurface deliveryPlasma membraneAcidic compartmentsDarby canine kidney cellsCell surfaceApical surfaceKidney cellsLabeling experimentsTwo-chamber culture systemProteinSortingCulture system