2015
Akt Substrate of 160 kD Regulates Na+,K+-ATPase Trafficking in Response to Energy Depletion and Renal Ischemia
Alves DS, Thulin G, Loffing J, Kashgarian M, Caplan MJ. Akt Substrate of 160 kD Regulates Na+,K+-ATPase Trafficking in Response to Energy Depletion and Renal Ischemia. Journal Of The American Society Of Nephrology 2015, 26: 2765-2776. PMID: 25788531, PMCID: PMC4625659, DOI: 10.1681/asn.2013101040.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiotinylationCell LineCytoplasmDogsDynaminsEndocytosisEpithelial CellsGTPase-Activating ProteinsHumansIschemiaKidneyKidney DiseasesMadin Darby Canine Kidney CellsMaleMiceMice, KnockoutMicroscopy, FluorescencePhosphorylationProtein TransportReperfusion InjuryRNA, Small InterferingSignal TransductionSodium-Potassium-Exchanging ATPaseConceptsRenal epithelial cellsATPase traffickingIntracellular compartmentsEpithelial cell polarityEpithelial cellsBasolateral plasma membraneGlucose transporter 4Cultured epithelial cellsCell polarityRab GTPaseAkt substratePlasma membraneSubcellular distributionAS160Energy depletionDirect bindingTransporter 4TraffickingDirect roleK-ATPaseATPaseTubular soluteIntracellular accumulationCellsCompartments
2011
Preactivation of AMPK by metformin may ameliorate the epithelial cell damage caused by renal ischemia
Seo-Mayer PW, Thulin G, Zhang L, Alves DS, Ardito T, Kashgarian M, Caplan MJ. Preactivation of AMPK by metformin may ameliorate the epithelial cell damage caused by renal ischemia. American Journal Of Physiology. Renal Physiology 2011, 301: f1346-f1357. PMID: 21849490, PMCID: PMC3233870, DOI: 10.1152/ajprenal.00420.2010.Peer-Reviewed Original ResearchConceptsEpithelial cell polarityMDCK cellsPlasma membrane domainsIon transport proteinsEpithelial cell organizationCellular energy sensorAMPK activator metforminMadin-Darby canine kidney cellsBasolateral plasma membraneShort hairpin RNACanine kidney cellsCell polarityImmunofluoresence localizationRenal epithelial cellsMembrane domainsNa-K-ATPaseProtein kinaseAMPK activatorPlasma membraneVesicular compartmentsAMPK activityTransport proteinsEnergy sensorMolecular consequencesBasolateral localization
2010
Lymphocytes Accelerate Epithelial Tight Junction Assembly: Role of AMP-Activated Protein Kinase (AMPK)
Tang XX, Chen H, Yu S, Zhang L, Caplan MJ, Chan HC. Lymphocytes Accelerate Epithelial Tight Junction Assembly: Role of AMP-Activated Protein Kinase (AMPK). PLOS ONE 2010, 5: e12343. PMID: 20808811, PMCID: PMC2925955, DOI: 10.1371/journal.pone.0012343.Peer-Reviewed Original ResearchConceptsTJ assemblyActivation of AMPKProtein kinaseEpithelial cellsCalcium switch experimentsEpithelial cell polaritySuppression of AMPKTight junction assemblyRole of AMPMadin-Darby canine kidney cellsCellular ATP levelsCanine kidney cellsTight junctionsCell polarityApicolateral borderJunction assemblyModel cell lineAMPK activationProper formationAdjacent epithelial cellsTJ formationChemical inhibitorsCalu-3 human airway epithelial cellsHuman airway epithelial cellsMDCK cells
2008
Epithelial junctions and polarity: complexes and kinases
Caplan MJ, Seo-Mayer P, Zhang L. Epithelial junctions and polarity: complexes and kinases. Current Opinion In Nephrology & Hypertension 2008, 17: 506-512. PMID: 18695392, PMCID: PMC3057677, DOI: 10.1097/mnh.0b013e32830baaae.Peer-Reviewed Original ResearchConceptsEpithelial cell polarityCell polarityEpithelial cell polarizationJunctional complexesIntercellular adhesion junctionsImportant physiological ramificationsCalcium-dependent adhesion proteinCell-cell contactCellular energy metabolismProtein complexesMembrane proteinsAdhesion junctionsPlasmalemmal domainsAdhesion proteinsCell polarizationPhysiological ramificationsEpithelial junctionsKinaseEnergy metabolismCharacteristic polarityEpithelial cellsProteinParacellular permeabilityNovel classComplexes
1997
Epithelial Cell Polarity: Challenges and Methodologies
Caplan M, Rodriguez‐Boulan E. Epithelial Cell Polarity: Challenges and Methodologies. 1997, 665-688. DOI: 10.1002/cphy.cp140117.Peer-Reviewed Original ResearchEpithelial polarityProtein trafficking pathwaysEpithelial cell polarityTissue-specific variationsEpithelial cellsSorting machineryProtein polarityCell polaritySorting signalsTargeting pathwaysTrafficking pathwaysRecycling pathwayBiochemical techniquesE-cadherinVitro systemEpithelial monolayersGenetic modelsPathwayBiogenetic pathwayMorphological techniquesCellsPolarityMachinerySubstrataTranscytosis