2003
Mitochondrial Dysfunction in the Elderly: Possible Role in Insulin Resistance
Petersen KF, Befroy D, Dufour S, Dziura J, Ariyan C, Rothman DL, DiPietro L, Cline GW, Shulman GI. Mitochondrial Dysfunction in the Elderly: Possible Role in Insulin Resistance. Science 2003, 300: 1140-1142. PMID: 12750520, PMCID: PMC3004429, DOI: 10.1126/science.1082889.Peer-Reviewed Original ResearchMeSH KeywordsAdipose TissueAdolescentAdultAgedAged, 80 and overAgingBlood GlucoseBody Mass IndexFemaleHumansInsulinInsulin ResistanceLiverMaleMiddle AgedMitochondriaMitochondrial DiseasesMuscle, SkeletalNuclear Magnetic Resonance, BiomolecularOxidation-ReductionOxygen ConsumptionPhosphorylationTriglyceridesConceptsInsulin resistanceInsulin-stimulated muscle glucose metabolismType 2 diabetesMuscle glucose metabolismLean body massElderly study participantsAge-associated declineMitochondrial function contributesFat massFat accumulationGlucose metabolismYoung controlsStudy participantsLiver tissueFunction contributesMitochondrial dysfunctionYounger participantsPossible roleMitochondrial oxidativeBody massMagnetic resonance spectroscopyParticipantsDiabetesDysfunctionPathogenesis
1999
Effect of AMPK activation on muscle glucose metabolism in conscious rats
Bergeron R, Russell R, Young L, Ren J, Marcucci M, Lee A, Shulman G. Effect of AMPK activation on muscle glucose metabolism in conscious rats. American Journal Of Physiology 1999, 276: e938-e944. PMID: 10329989, DOI: 10.1152/ajpendo.1999.276.5.e938.Peer-Reviewed Original ResearchMeSH KeywordsAminoimidazole CarboxamideAMP-Activated Protein KinasesAndrostadienesAnimalsBiological TransportDeoxyglucoseElectric StimulationEnzyme ActivationEnzyme InhibitorsIn Vitro TechniquesInsulinMaleMultienzyme ComplexesMuscle ContractionMuscle, SkeletalPhosphatidylinositol 3-KinasesProtein Serine-Threonine KinasesRatsRats, Sprague-DawleyRibonucleotidesTritiumWortmanninConceptsMuscle glucose metabolismGlucose transport activityActivation of AMPKGlucose uptakeGlucose metabolismTransport activitySkeletal muscle glucose metabolismExercise-induced increaseSkeletal muscle glucose transport activityBasal rateAbsence of wortmanninAdenosine receptor antagonistAdditive effectProtein kinase activationVariable infusionConscious ratsReceptor antagonistSaline infusionAwake ratsMedial gastrocnemiusElectrical stimulationEpitrochlearis musclesCellular pathwaysAMPK activationKinase activationNMR Studies on the Mechanism of Insulin Resistance
Perseghin G, Petersen K, Shulman G. NMR Studies on the Mechanism of Insulin Resistance. Contemporary Endocrinology 1999, 159-177. DOI: 10.1007/978-1-59259-716-1_9.Peer-Reviewed Original ResearchInsulin regulationMuscle glucose metabolismNew insightsNuclear magnetic resonance spectroscopyRecent studies