2007
Aging-Associated Reductions in AMP-Activated Protein Kinase Activity and Mitochondrial Biogenesis
Reznick RM, Zong H, Li J, Morino K, Moore IK, Yu HJ, Liu ZX, Dong J, Mustard KJ, Hawley SA, Befroy D, Pypaert M, Hardie DG, Young LH, Shulman GI. Aging-Associated Reductions in AMP-Activated Protein Kinase Activity and Mitochondrial Biogenesis. Cell Metabolism 2007, 5: 151-156. PMID: 17276357, PMCID: PMC1885964, DOI: 10.1016/j.cmet.2007.01.008.Peer-Reviewed Original ResearchConceptsIntracellular lipid metabolismMitochondrial biogenesisAMPK activityMitochondrial functionProtein kinase activityLipid metabolismProtein kinaseKinase activityAge-associated reductionBiogenesisOld ratsAMPKSkeletal muscleRecent studiesInsulin resistanceChronic activationMetabolismAcute stimulationFat oxidationImportant roleAcid feedingKinaseRatsActivityRegulation
2005
Hormone-sensitive lipase knockout mice have increased hepatic insulin sensitivity and are protected from short-term diet-induced insulin resistance in skeletal muscle and heart
Park SY, Kim HJ, Wang S, Higashimori T, Dong J, Kim YJ, Cline G, Li H, Prentki M, Shulman GI, Mitchell GA, Kim JK. Hormone-sensitive lipase knockout mice have increased hepatic insulin sensitivity and are protected from short-term diet-induced insulin resistance in skeletal muscle and heart. AJP Endocrinology And Metabolism 2005, 289: e30-e39. PMID: 15701680, DOI: 10.1152/ajpendo.00251.2004.Peer-Reviewed Original ResearchConceptsHSL-KO miceHormone-sensitive lipaseDiet-induced insulin resistanceHSL-deficient miceHigh-fat feedingInsulin resistanceSkeletal muscleGlucose metabolismInsulin actionTissue-specific insulin actionWhole-body fat massGlucose uptakeDiabetic heart failureDiet-induced obesityNormal chow dietBody fat massGroups of miceHyperinsulinemic-euglycemic clampType 2 diabetesFatty acyl-CoA levelsHepatic insulin actionHepatic insulin sensitivityWild-type miceLiver glucose metabolismCardiac glucose uptake
2004
Inactivation of fatty acid transport protein 1 prevents fat-induced insulin resistance in skeletal muscle
Kim JK, Gimeno RE, Higashimori T, Kim HJ, Choi H, Punreddy S, Mozell RL, Tan G, Stricker-Krongrad A, Hirsch DJ, Fillmore JJ, Liu ZX, Dong J, Cline G, Stahl A, Lodish HF, Shulman GI. Inactivation of fatty acid transport protein 1 prevents fat-induced insulin resistance in skeletal muscle. Journal Of Clinical Investigation 2004, 113: 756-763. PMID: 14991074, PMCID: PMC351314, DOI: 10.1172/jci18917.Peer-Reviewed Original ResearchMeSH KeywordsAdiponectinAdipose TissueAnimalsBlood GlucoseCarrier ProteinsDiabetes Mellitus, Type 2Fatty Acid Transport ProteinsFatty AcidsFemaleGene DeletionGene Expression RegulationGlucoseInsulinInsulin ResistanceIntercellular Signaling Peptides and ProteinsMaleMembrane Transport ProteinsMiceMice, KnockoutModels, GeneticMuscle, SkeletalPatch-Clamp TechniquesPhenotypeProteinsSignal TransductionConceptsFatty acid transport protein 1Fatty acid metabolitesInsulin resistanceType 2 diabetesWhole-body adiposityKO miceAcid metabolitesSkeletal muscleChronic high-fat feedingAcute lipid infusionRegular chow dietHigh-fat feedingNovel therapeutic targetFatty acid uptakeIntramuscular accumulationLipid infusionChow dietInsulin sensitivityGlucose homeostasisTherapeutic targetInsulin actionAcid uptakeProtein 1Tissue expressionMice