2015
Acetylation of TUG Protein Promotes the Accumulation of GLUT4 Glucose Transporters in an Insulin-responsive Intracellular Compartment*
Belman JP, Bian RR, Habtemichael EN, Li DT, Jurczak MJ, Alcázar-Román A, McNally LJ, Shulman GI, Bogan JS. Acetylation of TUG Protein Promotes the Accumulation of GLUT4 Glucose Transporters in an Insulin-responsive Intracellular Compartment*. Journal Of Biological Chemistry 2015, 290: 4447-4463. PMID: 25561724, PMCID: PMC4326849, DOI: 10.1074/jbc.m114.603977.Peer-Reviewed Original ResearchMeSH Keywords3T3-L1 CellsAcetylationAdipocytesAnimalsBlotting, WesternCarrier ProteinsCell MembraneCells, CulturedCystinyl AminopeptidaseCytoplasmFlow CytometryGlucoseGlucose Transporter Type 4HumansHypoglycemic AgentsImmunoprecipitationInsulinIntracellular Signaling Peptides and ProteinsMaleMiceMice, Inbred C57BLMice, KnockoutProtein TransportReal-Time Polymerase Chain ReactionReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSirtuin 2ConceptsGLUT4 storage vesiclesGLUT4 glucose transportersInsulin-regulated aminopeptidaseGolgin-160Acetylated residuesC-terminusGolgi matrix proteinsSirtuin 2Insulin-responsive vesiclesGlucose transporterUnstimulated cellsGLUT4 traffickingInsulin-stimulated glucose uptakeGlucose uptakeC-terminal peptidePlasma membraneIntracellular compartmentsMatrix proteinsACBD3Protein promotesWild-type controlsDependent deacetylaseGLUT4Proteolytic processingIntracellular retention
2007
Regulation of insulin secretion and GLUT4 trafficking by the calcium sensor synaptotagmin VII
Li Y, Wang P, Xu J, Gorelick F, Yamazaki H, Andrews N, Desir GV. Regulation of insulin secretion and GLUT4 trafficking by the calcium sensor synaptotagmin VII. Biochemical And Biophysical Research Communications 2007, 362: 658-664. PMID: 17720139, PMCID: PMC2194288, DOI: 10.1016/j.bbrc.2007.08.023.Peer-Reviewed Original ResearchConceptsGLUT4 trafficSyt VIIPlasma membraneGLUT4 translocationConstitutive expressionSecretory granule exocytosisSkeletal muscle cellsGLUT4 traffickingRegulated exocytosisVoltage-gated potassium channel Kv1.3Vesicular trafficSynaptotagmin VIIGLUT4 presentPotassium channel Kv1.3Calcium sensorIntracellular compartmentsDeletion resultsGlucose-stimulated insulin secretionChannel Kv1.3Granule exocytosisPancreatic beta cellsChannel activityInsulin secretionPancreatic islet cellsMuscle cells
2006
Voltage-gated potassium channel Kv1.3 regulates GLUT4 trafficking to the plasma membrane via a Ca2+-dependent mechanism
Li Y, Wang P, Xu J, Desir GV. Voltage-gated potassium channel Kv1.3 regulates GLUT4 trafficking to the plasma membrane via a Ca2+-dependent mechanism. American Journal Of Physiology - Cell Physiology 2006, 290: c345-c351. PMID: 16403947, DOI: 10.1152/ajpcell.00091.2005.Peer-Reviewed Original ResearchConceptsPlasma membraneKv1.3 channel activityAmount of GLUT4GLUT4 protein translocationInsulin sensitivityChannel activityChannel inhibitionAddition of wortmanninGLUT4 traffickingInsulin-dependent pathwayProtein translocationPeripheral insulin sensitivityVoltage-gated potassium channel Kv1.3GLUT4 translocationPotassium channel Kv1.3Gene inactivationInsulin-sensitive tissuesGLUT4 proteinKv1.3 inhibitionGlucose transportPsora-4Channel Kv1.3Adipose tissueBody weightPharmacological inhibition
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