2003
Physiological role of AMP-activated protein kinase in the heart: graded activation during exercise
Coven DL, Hu X, Cong L, Bergeron R, Shulman GI, Hardie DG, Young LH. Physiological role of AMP-activated protein kinase in the heart: graded activation during exercise. AJP Endocrinology And Metabolism 2003, 285: e629-e636. PMID: 12759223, DOI: 10.1152/ajpendo.00171.2003.Peer-Reviewed Original ResearchConceptsAMPK activityProtein kinasePhysiological roleTotal AMPK activityAlpha2 catalytic subunitCellular metabolic processesAlpha catalytic subunitCardiac AMPK activityAMPK effectsAMPK activationMetabolic processesAMPKAkt phosphorylationKinasePhosphorylationSkeletal muscleSubunitsSubstrate metabolismActivationActivity increasesLesser extentMyocardial substrate metabolismMin of treadmillHigh-intensity exerciseActivity
1996
Glucose metabolism distal to a critical coronary stenosis in a canine model of low-flow myocardial ischemia.
McNulty PH, Sinusas AJ, Shi CQ, Dione D, Young LH, Cline GC, Shulman GI. Glucose metabolism distal to a critical coronary stenosis in a canine model of low-flow myocardial ischemia. Journal Of Clinical Investigation 1996, 98: 62-69. PMID: 8690805, PMCID: PMC507401, DOI: 10.1172/jci118778.Peer-Reviewed Original ResearchConceptsLow-flow ischemiaCoronary stenosisIschemic myocardiumIschemic regionLow-flow myocardial ischemiaCritical coronary stenosisExogenous glucoseOxidative substrateMyocardial ischemiaIntact dogsGlucose metabolismNonischemic regionsClinical observationsCanine modelGlucose utilizationIschemiaBiochemical measurementsMyocardial regionsRate of incorporationIntracellular metabolismTricarboxylic acid cycle fluxStenosisMyocardiumGlucoseGlucose-derived pyruvate