2024
Sustained caloric restriction potentiates insulin action by activating prostacyclin synthase
Merali C, Quinn C, Huffman K, Pieper C, Bogan J, Barrero C, Merali S. Sustained caloric restriction potentiates insulin action by activating prostacyclin synthase. Obesity 2024 PMID: 39420421, DOI: 10.1002/oby.24150.Peer-Reviewed Original ResearchMolecular mechanismsIncreased GLUT4 translocationComplex molecular mechanismsGlucose uptake regulationUBX domainIncreased glucose uptakeGLUT4 translocationGLUT4 functionCaloric restrictionPTGIS expressionProteomic profilingCell surfaceCleavage pathwayInsulin sensitivityHuman adipocytesAdipose tissueGlucose uptakeGLUT4Enhanced insulin sensitivityInsulin receptor densityInsulin actionRisk of metabolic disordersCell membraneProstacyclin synthaseMonths of CR
2022
Ubiquitin-like processing of TUG proteins as a mechanism to regulate glucose uptake and energy metabolism in fat and muscle
Bogan JS. Ubiquitin-like processing of TUG proteins as a mechanism to regulate glucose uptake and energy metabolism in fat and muscle. Frontiers In Endocrinology 2022, 13: 1019405. PMID: 36246906, PMCID: PMC9556833, DOI: 10.3389/fendo.2022.1019405.Peer-Reviewed Original ResearchConceptsGolgi matrixTUG ProteinVesicle cargoC-terminal productInsulin stimulationN-degron pathwayGLUT4 storage vesiclesCell surfaceUbiquitin-like proteinGLUT4 glucose transportersGlucose uptakeAspects of physiologyN-terminal cleavage productMuscle cellsP97 ATPaseCleavage productsC-terminusFatty acid oxidationGene expressionSingle proteinN-terminusMatrix proteinsEndoproteolytic cleavageCell typesGlucose transporter
2021
Insulin-stimulated endoproteolytic TUG cleavage links energy expenditure with glucose uptake
Habtemichael EN, Li DT, Camporez JP, Westergaard XO, Sales CI, Liu X, López-Giráldez F, DeVries SG, Li H, Ruiz DM, Wang KY, Sayal BS, González Zapata S, Dann P, Brown SN, Hirabara S, Vatner DF, Goedeke L, Philbrick W, Shulman GI, Bogan JS. Insulin-stimulated endoproteolytic TUG cleavage links energy expenditure with glucose uptake. Nature Metabolism 2021, 3: 378-393. PMID: 33686286, PMCID: PMC7990718, DOI: 10.1038/s42255-021-00359-x.Peer-Reviewed Original ResearchConceptsTUG cleavageGlucose uptakeProtein degradation pathwaysGLUT4 glucose transportersCoactivator PGC-1αC-terminal cleavage productInsulin-stimulated glucose uptakeAte1 arginyltransferaseGene expressionPhysiological relevanceWhole-body energy expenditureGlucose transporterPeroxisome proliferator-activated receptorCell surfacePGC-1αProtein 1Proliferator-activated receptorDegradation pathwayEffect of insulinCleavage pathwayAdipose cellsCleavage productsPathwayCleavageEnergy expenditure
2019
Vasopressin inactivation: Role of insulin-regulated aminopeptidase
Li DT, Habtemichael EN, Bogan JS. Vasopressin inactivation: Role of insulin-regulated aminopeptidase. Vitamins & Hormones 2019, 113: 101-128. PMID: 32138946, DOI: 10.1016/bs.vh.2019.08.017.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsInsulin-regulated aminopeptidaseInsulin-responsive glucose transporterHuman placental leucine aminopeptidaseMetabolic syndromeInsulin resistanceVasopressin secretionUBX domainCoordinated regulationGenetic variationAbsence of insulinGLUT4 proteinGestational diabetes insipidusPotential pathophysiologic rolePhysiological importanceGlucose transporterCell surfaceProteolytic cleavageNovel insightsPlacental leucine aminopeptidaseRodent homologueVasopressinase activityLeucine aminopeptidasePathophysiologic mechanismsMuscle cellsPathophysiologic role
2012
Regulation of Glucose Transporter Translocation in Health and Diabetes
Bogan JS. Regulation of Glucose Transporter Translocation in Health and Diabetes. Annual Review Of Biochemistry 2012, 81: 507-532. PMID: 22482906, DOI: 10.1146/annurev-biochem-060109-094246.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsTrafficking pathwaysVesicle trafficking pathwaysAS160/TBC1D4GLUT4 glucose transportersGlucose transporter translocationRab GTPasesTrafficking itineraryTransporter translocationIntracellular membranesPlasma membraneInsulin signalingGlucose transporterCell surfaceStorage vesiclesUnstimulated cellsGlucose uptakeTranslocationVesiclesInsulin exposurePathwayFat cellsPathogenesis of diabetesMembraneGTPasesVAMP2