2015
AMPK: energy sensor and survival mechanism in the ischemic heart
Qi D, Young LH. AMPK: energy sensor and survival mechanism in the ischemic heart. Trends In Endocrinology And Metabolism 2015, 26: 422-429. PMID: 26160707, PMCID: PMC4697457, DOI: 10.1016/j.tem.2015.05.010.BooksConceptsIschemic heartAMPK activationEndoplasmic reticulum stressFatty acid metabolismCardioprotective strategiesContractile dysfunctionMyocardial infarctionMyocardial ischemiaPotential therapeutic applicationsVascular diseaseMyocardial necrosisPharmacological activationReticulum stressAcid metabolismProtein kinaseIschemiaMitochondrial functionEnergy sensorCellular metabolismSurvival mechanismCritical regulatorActivationHeartNovel mechanismTherapeutic applications
2013
Urocortin 2 autocrine/paracrine and pharmacologic effects to activate AMP-activated protein kinase in the heart
Li J, Qi D, Cheng H, Hu X, Miller EJ, Wu X, Russell KS, Mikush N, Zhang J, Xiao L, Sherwin RS, Young LH. Urocortin 2 autocrine/paracrine and pharmacologic effects to activate AMP-activated protein kinase in the heart. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 16133-16138. PMID: 24043794, PMCID: PMC3791748, DOI: 10.1073/pnas.1312775110.Peer-Reviewed Original ResearchMeSH KeywordsAcetyl-CoA CarboxylaseAMP-Activated Protein KinasesAnalysis of VarianceAnimalsAntibodies, NeutralizingCorticotropin-Releasing HormoneEnzyme ActivationImmunoblottingImmunohistochemistryMiceMyocardiumPeptide FragmentsPhosphorylationReceptors, Corticotropin-Releasing HormoneReperfusion InjurySignal TransductionUrocortinsConceptsIschemia/reperfusionIschemia/reperfusion injuryUCN2 treatmentReperfusion injuryContractile dysfunctionRegional ischemia/reperfusionAMPK activationHeart muscleIschemic AMPK activationAutocrine/paracrine pathwayCardiac contractile dysfunctionAutocrine/paracrine factorCorticotropin-releasing factor (CRF) familyIsolated heart muscleCRFR2 antagonistAcetyl-CoA carboxylase phosphorylationCardiac damageMyocardial injuryCRF receptorsPharmacologic effectsUrocortin 2ΕV1-2Activation of AMPParacrine pathwaysReperfusionLimiting Cardiac Ischemic Injury by Pharmacological Augmentation of Macrophage Migration Inhibitory Factor–AMP-Activated Protein Kinase Signal Transduction
Wang J, Tong C, Yan X, Yeung E, Gandavadi S, Hare AA, Du X, Chen Y, Xiong H, Ma C, Leng L, Young LH, Jorgensen WL, Li J, Bucala R. Limiting Cardiac Ischemic Injury by Pharmacological Augmentation of Macrophage Migration Inhibitory Factor–AMP-Activated Protein Kinase Signal Transduction. Circulation 2013, 128: 225-236. PMID: 23753877, PMCID: PMC3781594, DOI: 10.1161/circulationaha.112.000862.Peer-Reviewed Original ResearchMeSH KeywordsAMP-Activated Protein KinasesAnimalsAntigens, Differentiation, B-LymphocyteCardiotonic AgentsCells, CulturedGlucoseHistocompatibility Antigens Class IIIntramolecular OxidoreductasesIsoxazolesMacrophage Migration-Inhibitory FactorsMaleMiceMice, Inbred C57BLMice, KnockoutMyocardial InfarctionMyocardial IschemiaMyocytes, CardiacRecombinant ProteinsSignal TransductionConceptsMacrophage migration inhibitory factorCardiac ischemic injuryIschemic injuryProtective effectPostischemic left ventricular functionGlucose uptakeLeft coronary artery occlusionLeft ventricular functionCoronary artery occlusionIschemic tissue injuryMigration inhibitory factorMyocardial glucose uptakeAMPK activationTreatment of cardiomyocytesArtery occlusionMIF receptorVentricular functionIschemic myocardiumCellular glucose uptakeTissue injuryIschemia modelPharmacological augmentationFlow ischemiaSuch agonistsInhibitory factor
2011
AMP-activated Protein Kinase (AMPK) Activation and Glycogen Synthase Kinase-3β (GSK-3β) Inhibition Induce Ca2+-independent Deposition of Tight Junction Components at the Plasma Membrane* ♦
Zhang L, Jouret F, Rinehart J, Sfakianos J, Mellman I, Lifton RP, Young LH, Caplan MJ. AMP-activated Protein Kinase (AMPK) Activation and Glycogen Synthase Kinase-3β (GSK-3β) Inhibition Induce Ca2+-independent Deposition of Tight Junction Components at the Plasma Membrane* ♦. Journal Of Biological Chemistry 2011, 286: 16879-16890. PMID: 21383016, PMCID: PMC3089531, DOI: 10.1074/jbc.m110.186932.Peer-Reviewed Original ResearchMeSH KeywordsAMP-Activated Protein KinasesAnimalsCadherinsCalciumCell AdhesionCell MembraneDogsEpitheliumGene Expression Regulation, EnzymologicGlycogen Synthase Kinase 3Glycogen Synthase Kinase 3 betaMembrane ProteinsMicroscopy, FluorescencePhosphoproteinsPhosphorylationRNA InterferenceTight JunctionsZonula Occludens-1 ProteinConceptsProtein kinase activationTight junction componentsJunction componentsPlasma membraneAMPK activationKinase activationGSK-3β inhibitionNectin-afadin systemEpithelial tight junctionsTight junctionsPhosphorylation studiesSynthase kinaseJunctional proteinsAbsence of extracellularDistinct pathwaysCell growthE-cadherinIndependent depositionKinaseActivationInduce Ca2MembraneAfadinExtracellularInhibition
2009
A Crystallized View of AMPK Activation
Young LH. A Crystallized View of AMPK Activation. Cell Metabolism 2009, 10: 5-6. PMID: 19583947, DOI: 10.1016/j.cmet.2009.06.008.Commentaries, Editorials and LettersConceptsAMPK activationAMPK catalytic subunitKey metabolic regulatorAutoinhibitory sequenceCatalytic subunitKinase domainProtein kinaseMetabolic regulatorStructural interactionsCrystallized viewNovel therapeutic approachesActivationKinaseSubunitsRegulatorEnhanced understandingRecent workSequenceTherapeutic approachesMolecular mechanicsDomainAMP‐activated protein kinase: a core signalling pathway in the heart
Kim AS, Miller EJ, Young LH. AMP‐activated protein kinase: a core signalling pathway in the heart. Acta Physiologica 2009, 196: 37-53. PMID: 19239414, DOI: 10.1111/j.1748-1716.2009.01978.x.BooksConceptsProtein kinaseEssential cellular processesTumor suppressor LKB1Downstream AMPK targetsProduction of ATPProtein phosphataseAMPK targetsActivated AMPKIntracellular glycogen accumulationCellular processesUpstream kinaseFatty acid metabolismCardiac myocyte hypertrophyAMPK activationAMPK activityImportant intracellularMolecular mechanismsMajor regulatorAMPKProtein synthesisKinaseAcid metabolismOral hypoglycaemic drugsGlycogen accumulationType 2 diabetes
2005
AMP-Activated Protein Kinase Activates p38 Mitogen-Activated Protein Kinase by Increasing Recruitment of p38 MAPK to TAB1 in the Ischemic Heart
Li J, Miller EJ, Ninomiya-Tsuji J, Russell RR, Young LH. AMP-Activated Protein Kinase Activates p38 Mitogen-Activated Protein Kinase by Increasing Recruitment of p38 MAPK to TAB1 in the Ischemic Heart. Circulation Research 2005, 97: 872-879. PMID: 16179588, DOI: 10.1161/01.res.0000187458.77026.10.Peer-Reviewed Original ResearchMeSH KeywordsAminoimidazole CarboxamideAMP-Activated Protein KinasesAnimalsAnisomycinCell HypoxiaEnzyme ActivationGlucoseGlucose Transporter Type 4Intracellular Signaling Peptides and ProteinsMaleMAP Kinase Kinase 3MiceMice, Inbred C57BLMice, TransgenicMultienzyme ComplexesMyocardial IschemiaP38 Mitogen-Activated Protein KinasesProtein Serine-Threonine KinasesProtein TransportRatsRats, Sprague-DawleyRibonucleotidesConceptsMitogen-activated protein kinaseP38 mitogen-activated protein kinaseMAPK kinase 3P38 MAPK activationAlpha2 catalytic subunitProtein kinaseMAPK activationCatalytic subunitGlucose transportStress-signaling pathwaysAMPK activator 5Role of AMPKProtein kinase 1Direct molecular targetP38 MAPK inhibitorMouse heartsAMPK complexProtein TAB1Scaffold proteinGLUT4 translocationUpstream kinaseAMPK activationKinase 3Kinase 1MAPK inhibitor
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
1999
Translocation of myocardial GLUT-4 and increased glucose uptake through activation of AMPK by AICAR
Russell R, Bergeron R, Shulman G, Young L. Translocation of myocardial GLUT-4 and increased glucose uptake through activation of AMPK by AICAR. American Journal Of Physiology 1999, 277: h643-h649. PMID: 10444490, DOI: 10.1152/ajpheart.1999.277.2.h643.Peer-Reviewed Original ResearchMeSH KeywordsAminoimidazole CarboxamideAMP-Activated Protein KinasesAnimalsBiological TransportEnzyme ActivationGlucoseGlucose Transporter Type 4In Vitro TechniquesMaleMonosaccharide Transport ProteinsMultienzyme ComplexesMuscle ProteinsMyocardiumProtein Serine-Threonine KinasesRatsRats, Sprague-DawleyRibonucleotidesSarcolemmaConceptsAMPK activationGLUT-4 translocationGLUT-4Glucose uptakeProtein kinase activityActivator of AMPKActivation of AMPKInsulin-stimulated increasePI3K-independent pathwayInsulin-stimulated glucose uptakePI3K inhibitorsKinase activityAICARDeoxyglucose uptakeAMPKTranslocationIschemia-induced translocationK inhibitorsAdenine 9Myocyte sarcolemmaPathwayImmunofluorescence studiesMuscle glucose uptakeActivationCardiac myocytesEffect 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 activation