2006
Activation of AMPK α- and γ-isoform complexes in the intact ischemic rat heart
Li J, Coven DL, Miller EJ, Hu X, Young ME, Carling D, Sinusas AJ, Young LH. Activation of AMPK α- and γ-isoform complexes in the intact ischemic rat heart. AJP Heart And Circulatory Physiology 2006, 291: h1927-h1934. PMID: 16648175, DOI: 10.1152/ajpheart.00251.2006.Peer-Reviewed Original ResearchConceptsAMPK activityAMPK complexAlpha subunit activationDifferent subunit isoformsSerine-threonine kinaseCellular metabolic processesGamma subunit isoformsRegulatory betaAlpha-subunit contentHeterotrimeric complexProtein kinaseAMPK αMultiple isoformsKinase activitySubunit isoformsMetabolic processesAMPK phosphorylationAMPKIsoformsPhysiological regulationKinaseMutationsComplexesKey rolePathophysiological importance
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