2013
Chronic AMPK activity dysregulation produces myocardial insulin resistance in the human Arg302Gln-PRKAG2 glycogen storage disease mouse model
Thorn SL, Gollob MH, Harper ME, Beanlands RS, deKemp RA, DaSilva JN. Chronic AMPK activity dysregulation produces myocardial insulin resistance in the human Arg302Gln-PRKAG2 glycogen storage disease mouse model. EJNMMI Research 2013, 3: 48. PMID: 23829931, PMCID: PMC3707764, DOI: 10.1186/2191-219x-3-48.Peer-Reviewed Original ResearchMyocardial glucose uptakeCardiac glycogen storesSystolic functionInsulin resistanceAcute insulinMouse modelGlycogen storesDeoxyglucose positron emission tomographyProgressive conduction system diseaseGlucose uptakeSkeletal muscle glucose uptakeExcessive glycogen depositionDisease mouse modelMyocardial insulin resistanceMuscle glucose uptakeConduction system diseaseInsulin receptor expressionPositron emission tomographyPRKAG2 cardiac syndromeFrequent arrhythmiaInsulin stimulationMetabolic therapyReceptor expressionCardiac syndromeSystem diseases
2011
Reduced CGP12177 binding to cardiac β-adrenoceptors in hyperglycemic high-fat-diet-fed, streptozotocin-induced diabetic rats
Thackeray JT, Parsa-Nezhad M, Kenk M, Thorn SL, Kolajova M, Beanlands RS, DaSilva JN. Reduced CGP12177 binding to cardiac β-adrenoceptors in hyperglycemic high-fat-diet-fed, streptozotocin-induced diabetic rats. Nuclear Medicine And Biology 2011, 38: 1059-1066. PMID: 21831645, DOI: 10.1016/j.nucmedbio.2011.04.002.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAnimalsBiomarkersBlotting, WesternDiabetes Mellitus, ExperimentalDiet, High-FatGene Expression RegulationHyperglycemiaMaleMyocardiumPositron-Emission TomographyPropanolaminesProtein BindingRatsRats, Sprague-DawleyReceptors, Adrenergic, beta-1Receptors, Adrenergic, beta-2Substrate SpecificityConceptsAbnormal sympathetic nervous systemΒ-AR expressionSympathetic nervous systemDiabetic rat heartsSingle intraperitoneal injectionVehicle-treated controlsInfusion of isoproterenolCardiac β-adrenoceptorsΒ-AR subtypesΒ-AR antagonistsSpecific bindingHalf of ratsNormal Sprague-DawleyΒ-AR stimulationPositron emission tomographyΒ-adrenoceptor signalingCardiac bindingAR expressionCardiac dysfunctionDiabetic ratsInsulin resistanceSustained hyperglycemiaIntraperitoneal injectionΒ-adrenoceptorsDiet feeding