2014
A Role for Mitochondrial Phosphoenolpyruvate Carboxykinase (PEPCK-M) in the Regulation of Hepatic Gluconeogenesis*
Stark R, Guebre-Egziabher F, Zhao X, Feriod C, Dong J, Alves TC, Ioja S, Pongratz RL, Bhanot S, Roden M, Cline GW, Shulman GI, Kibbey RG. A Role for Mitochondrial Phosphoenolpyruvate Carboxykinase (PEPCK-M) in the Regulation of Hepatic Gluconeogenesis*. Journal Of Biological Chemistry 2014, 289: 7257-7263. PMID: 24497630, PMCID: PMC3953244, DOI: 10.1074/jbc.c113.544759.Peer-Reviewed Original ResearchMeSH KeywordsAnimal FeedAnimalsBlood GlucoseFood DeprivationGene Expression Regulation, EnzymologicGene SilencingGluconeogenesisGlycerolGlycogenGuanosine TriphosphateHepatocytesHomeostasisInsulinIntracellular Signaling Peptides and ProteinsIsoenzymesLactic AcidLiverMaleMitochondriaOligonucleotides, AntisenseOxygenOxygen ConsumptionPhosphoenolpyruvate Carboxykinase (GTP)RatsRats, Sprague-Dawley
2010
Resistance to High-Fat Diet-Induced Obesity and Insulin Resistance in Mice with Very Long-Chain Acyl-CoA Dehydrogenase Deficiency
Zhang D, Christianson J, Liu ZX, Tian L, Choi CS, Neschen S, Dong J, Wood PA, Shulman GI. Resistance to High-Fat Diet-Induced Obesity and Insulin Resistance in Mice with Very Long-Chain Acyl-CoA Dehydrogenase Deficiency. Cell Metabolism 2010, 11: 402-411. PMID: 20444420, PMCID: PMC3146169, DOI: 10.1016/j.cmet.2010.03.012.Peer-Reviewed Original ResearchConceptsMitochondrial fatty acid oxidationFatty acid oxidationMitochondrial fatty acid oxidation enzymesProtein kinase CthetaLong-chain acyl-CoA dehydrogenaseAcid oxidationFatty acid oxidation enzymesAcyl-CoA dehydrogenaseDiet-induced obesityMuscle insulin resistanceLong-Chain AcylInsulin resistanceCellular metabolismOxidation enzymesDiacylglycerol contentHigh-fat diet-induced obesityFat Diet-Induced ObesityType 2 diabetesImportant energy sourceCoA dehydrogenase deficiencyChronic activationInsulin sensitivity
2007
Mitochondrial dysfunction due to long-chain Acyl-CoA dehydrogenase deficiency causes hepatic steatosis and hepatic insulin resistance
Zhang D, Liu ZX, Choi CS, Tian L, Kibbey R, Dong J, Cline GW, Wood PA, Shulman GI. Mitochondrial dysfunction due to long-chain Acyl-CoA dehydrogenase deficiency causes hepatic steatosis and hepatic insulin resistance. Proceedings Of The National Academy Of Sciences Of The United States Of America 2007, 104: 17075-17080. PMID: 17940018, PMCID: PMC2040460, DOI: 10.1073/pnas.0707060104.Peer-Reviewed Original ResearchMeSH KeywordsAcyl Coenzyme AAcyl-CoA Dehydrogenase, Long-ChainAnimalsCalorimetryCarbon IsotopesDiglyceridesEnergy MetabolismFatty LiverGene Expression RegulationGlucoseHomeostasisInsulinInsulin ResistanceLiverMiceMitochondriaMuscle, SkeletalOxidation-ReductionProtein Kinase C-epsilonSignal TransductionTriglyceridesConceptsLong-chain acyl-CoA dehydrogenaseHepatic insulin resistanceInsulin stimulationMitochondrial functionInsulin resistanceMitochondrial fatty acid oxidation capacityMitochondrial fatty acid oxidationAcyl-CoA dehydrogenaseHepatic steatosisFatty acid oxidation capacityAkt2 activationDe novo synthesisFatty acid oxidationPKCepsilon activationKey enzymeHyperinsulinemic-euglycemic clampLong-chain acyl-CoA dehydrogenase deficiencyType 2 diabetesPrimary defectMitochondrial dysfunctionHepatic glucose productionAcyl-CoA dehydrogenase deficiencyPKCepsilon activityNovo synthesisDiacylglycerol accumulationAging-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