2018
Usp25m protease regulates ubiquitin-like processing of TUG proteins to control GLUT4 glucose transporter translocation in adipocytes
Habtemichael EN, Li DT, Alcázar-Román A, Westergaard XO, Li M, Petersen MC, Li H, DeVries SG, Li E, Julca-Zevallos O, Wolenski JS, Bogan JS. Usp25m protease regulates ubiquitin-like processing of TUG proteins to control GLUT4 glucose transporter translocation in adipocytes. Journal Of Biological Chemistry 2018, 293: 10466-10486. PMID: 29773651, PMCID: PMC6036200, DOI: 10.1074/jbc.ra118.003021.Peer-Reviewed Original ResearchMeSH KeywordsAdipocytesAnimalsCarrier ProteinsCell MembraneCells, CulturedGlucoseGlucose Transporter Type 4Hypoglycemic AgentsInsulinIntracellular Signaling Peptides and ProteinsKinesinsMaleMiceMice, Inbred C57BLMotor ActivityProtein TransportProteolysisRatsRats, Sprague-DawleySignal TransductionUbiquitinUbiquitin ThiolesteraseConceptsGLUT4 storage vesiclesTUG cleavageGolgi matrixPlasma membraneGLUT4 glucose transporter translocationMicrotubule-based movementUbiquitin-like proteinGLUT4 glucose transportersStorage vesiclesGlucose transporter translocationAttenuation of insulinKinesin motor proteinsGLUT4 vesiclesSpecialized vesiclesGLUT4 translocationTransporter translocationSplice formsMotor proteinsProtein trapProtein abundanceProteolytic pathwayDiet-induced insulin resistanceEndoproteolytic cleavageGlucose transporterProteolytic processing
2015
Coordinated Regulation of Vasopressin Inactivation and Glucose Uptake by Action of TUG Protein in Muscle*
Habtemichael EN, Alcázar-Román A, Rubin BR, Grossi LR, Belman JP, Julca O, Löffler MG, Li H, Chi NW, Samuel VT, Bogan JS. Coordinated Regulation of Vasopressin Inactivation and Glucose Uptake by Action of TUG Protein in Muscle*. Journal Of Biological Chemistry 2015, 290: 14454-14461. PMID: 25944897, PMCID: PMC4505512, DOI: 10.1074/jbc.c115.639203.Peer-Reviewed Original ResearchConceptsInsulin-regulated aminopeptidaseVesicle translocationGLUT4 intracellular retentionGlucose uptakeT-tubule fractionTransgenic miceTransmembrane aminopeptidaseAQP2 water channelsTUG ProteinCoordinated regulationGLUT4 translocationInsulin stimulationPhysiological importanceGlucose transporterProteolytic processingIntracellular retentionTranslocationWater homeostasisMuscle cellsGLUT4Skeletal muscleShort peptidesProteolysisProteinAbundanceAcetylation 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