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