2024
Small molecule inhibition of glycogen synthase I reduces muscle glycogen content and improves biomarkers in a mouse model of Pompe disease
Gaspar R, Sakuma I, Nasiri A, Hubbard B, LaMoia T, Leitner B, Tep S, Xi Y, Green E, Ullman J, Petersen K, Shulman G. Small molecule inhibition of glycogen synthase I reduces muscle glycogen content and improves biomarkers in a mouse model of Pompe disease. AJP Endocrinology And Metabolism 2024, 327: e524-e532. PMID: 39171753, PMCID: PMC11482269, DOI: 10.1152/ajpendo.00175.2024.Peer-Reviewed Original ResearchGAA-KO miceMouse model of Pompe diseaseModel of Pompe diseasePompe diseaseMetabolic dysregulationRegular chowMouse modelSmall molecule inhibitionInsulin sensitivityReduced spontaneous activityGroups of male miceEnzyme acid alpha-glucosidaseProgressive muscle weaknessImprove metabolic dysregulationSynthase IWhole-body insulin sensitivityAcid alpha-glucosidaseImproved glucose toleranceIncreased AMPK phosphorylationWT miceAbnormal accumulation of glycogenGlycogen storage disorderMale miceSpontaneous activityImproved biomarkers
2018
Acute physical exercise increases leptin‐induced hypothalamic extracellular signal‐regulated kinase1/2 phosphorylation and thermogenesis of obese mice
Gaspar R, Muñoz V, Kuga G, Nakandakari S, Minuzzi L, Botezelli J, da Silva A, Cintra D, de Moura L, Ropelle E, Pauli J. Acute physical exercise increases leptin‐induced hypothalamic extracellular signal‐regulated kinase1/2 phosphorylation and thermogenesis of obese mice. Journal Of Cellular Biochemistry 2018, 120: 697-704. PMID: 30206970, DOI: 10.1002/jcb.27426.Peer-Reviewed Original ResearchConceptsAcute physical exerciseBrown adipose tissueObese micePhysical exerciseEnergy expenditureERK1/2 phosphorylationTreatment of obesityExtracellular signal-regulated kinase1/2 (ERK1/2) phosphorylationProtein 1 (UCP1) contentExtracellular signal-regulated kinase 1/2Signal-regulated kinase 1/2Sympathetic signalsSpontaneous activityAdipose tissueP-ERK1/2Main interventionThermoregulatory effectsMiceKey mediatorThermogenesisOxygen uptakeMolecular changesKinase 1/2ObeseObesity