2019
Anti‐inflammatory effects of oestrogen mediate the sexual dimorphic response to lipid‐induced insulin resistance
Camporez JP, Lyu K, Goldberg EL, Zhang D, Cline GW, Jurczak MJ, Dixit VD, Petersen KF, Shulman GI. Anti‐inflammatory effects of oestrogen mediate the sexual dimorphic response to lipid‐induced insulin resistance. The Journal Of Physiology 2019, 597: 3885-3903. PMID: 31206703, PMCID: PMC6876753, DOI: 10.1113/jp277270.Peer-Reviewed Original ResearchConceptsObesity-induced insulin resistanceHigh-fat dietEctopic lipid contentWhite adipose tissue lipolysisInsulin resistanceAdipose tissue lipolysisMale miceInsulin sensitivityFemale miceInsulin-stimulated suppressionWAT inflammationTissue lipolysisRodent studiesTumor necrosis factor αWhole-body insulin sensitivityLipid-induced insulin resistanceMetabolic homeostasisAge-matched menInterleukin-6 concentrationsSkeletal muscleAnti-inflammatory effectsType 2 diabetesInsulin-mediated suppressionSexual dimorphic responseNecrosis factor α
2001
Effect of triiodothyronine on mitochondrial energy coupling in human skeletal muscle
Lebon V, Dufour S, Petersen K, Ren J, Jucker B, Slezak L, Cline G, Rothman D, Shulman G. Effect of triiodothyronine on mitochondrial energy coupling in human skeletal muscle. Journal Of Clinical Investigation 2001, 108: 733-737. PMID: 11544279, PMCID: PMC209375, DOI: 10.1172/jci11775.Peer-Reviewed Original ResearchStimulating Effects of Low-Dose Fructose on Insulin-Stimulated Hepatic Glycogen Synthesis in Humans
Petersen K, Laurent D, Yu C, Cline G, Shulman G. Stimulating Effects of Low-Dose Fructose on Insulin-Stimulated Hepatic Glycogen Synthesis in Humans. Diabetes 2001, 50: 1263-1268. PMID: 11375325, DOI: 10.2337/diabetes.50.6.1263.Peer-Reviewed Original ResearchConceptsNet hepatic glycogen synthesisHepatic glycogen synthesisGlycogen synthesisSynthase fluxInfusion of fructoseLow-dose infusionType 2 diabetesEuglycemic hyperinsulinemic conditionsPotential therapeutic valueHepatic glycogen metabolismThreefold increaseFructose studiesEuglycemic hyperinsulinemiaHyperinsulinemic conditionsFructose infusionControl studyTherapeutic valueInfusionType 1Glucokinase activityGlycogen metabolismIndirect pathwaysStimulating effectInsulinStimulationContribution of net hepatic glycogen synthesis to disposal of an oral glucose load in humans
Petersen K, Cline G, Gerard D, Magnusson I, Rothman D, Shulman G. Contribution of net hepatic glycogen synthesis to disposal of an oral glucose load in humans. Metabolism 2001, 50: 598-601. PMID: 11319724, DOI: 10.1053/meta.2001.22561.Peer-Reviewed Original ResearchConceptsHepatic glycogen synthesisOral glucose loadGlucose loadMagnetic resonance imagingLiver glycogen synthesisNet hepatic glycogen synthesisLiver volumeGlycogen synthesisWhole-body glucose disposalGlycogen contentHepatic glycogen concentrationIngestion of glucoseLiver glycogen contentHepatic glycogen contentIdentical glucose loadHepatic UDP-glucoseGlucose disposalGroup 2Group 1Direct pathwayResonance imagingGlycogen concentrationMean maximum rateLiverIngestion
2000
Glycogen loading alters muscle glycogen resynthesis after exercise
Price T, Laurent D, Petersen K, Rothman D, Shulman G. Glycogen loading alters muscle glycogen resynthesis after exercise. Journal Of Applied Physiology 2000, 88: 698-704. PMID: 10658040, DOI: 10.1152/jappl.2000.88.2.698.Peer-Reviewed Original ResearchConceptsMaximum voluntary contractionGlycogen recoveryNOR trialMuscle glycogen resynthesisMuscle glycogen recoveryNormal resting levelsGlycogen resynthesisVoluntary contractionHeavy exercisePlantar flexionResting levelGlycogen concentrationGlycogen levelsSeparate occasionsSimilar glucoseUntrained subjectsTrialsGlycogen synthesisExerciseExtended recoverySubjectsRecoveryLevelsMinFlexion
1999
Impaired Glucose Transport as a Cause of Decreased Insulin-Stimulated Muscle Glycogen Synthesis in Type 2 Diabetes
Cline G, Petersen K, Krssak M, Shen J, Hundal R, Trajanoski Z, Inzucchi S, Dresner A, Rothman D, Shulman G. Impaired Glucose Transport as a Cause of Decreased Insulin-Stimulated Muscle Glycogen Synthesis in Type 2 Diabetes. New England Journal Of Medicine 1999, 341: 240-246. PMID: 10413736, DOI: 10.1056/nejm199907223410404.Peer-Reviewed Original ResearchConceptsMuscle glycogen synthesisType 2 diabetes mellitusConcentrations of insulinNormal subjectsDiabetes mellitusGlucose metabolismGlycogen synthesisGlucose concentrationWhole-body glucose metabolismInsulin-stimulated muscle glycogen synthesisIntracellular glucose concentrationType 2 diabetesPlasma insulin concentrationGlucose transportImpaired glucose transportInterstitial fluid glucose concentrationsOpen-flow microperfusionIntramuscular glucoseInterstitial fluidGlucose-6-phosphate concentrationInsulin resistanceVivo microdialysisInsulin concentrationsHyperinsulinemic conditionsPatientsDetermination of the rate of the glutamate/glutamine cycle in the human brain by in vivo 13C NMR
Shen J, Petersen K, Behar K, Brown P, Nixon T, Mason G, Petroff O, Shulman G, Shulman R, Rothman D. Determination of the rate of the glutamate/glutamine cycle in the human brain by in vivo 13C NMR. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 8235-8240. PMID: 10393978, PMCID: PMC22218, DOI: 10.1073/pnas.96.14.8235.Peer-Reviewed Original ResearchConceptsGlutamate/glutamine cycleGlutamine cycleCerebral cortexMin/Rat cerebral cortexVivo 13C NMR spectraGlucose oxidation ratesHuman brainGlucose oxidationGlutamatergic activityRat modelTricarboxylic acid cycle rateParietal lobeHuman cortexCortexTime courseBrainGlutamine synthesisMajor metabolic fluxCycle rateTricarboxylic acid cycleHigh levelsInfusionRatsAcid cycleContributions of net hepatic glycogenolysis and gluconeogenesis to glucose production in cirrhosis
Petersen K, Krssak M, Navarro V, Chandramouli V, Hundal R, Schumann W, Landau B, Shulman G. Contributions of net hepatic glycogenolysis and gluconeogenesis to glucose production in cirrhosis. American Journal Of Physiology 1999, 276: e529-e535. PMID: 10070020, DOI: 10.1152/ajpendo.1999.276.3.e529.Peer-Reviewed Original ResearchConceptsNet hepatic glycogenolysisCirrhotic subjectsHepatic glycogenolysisControl subjectsGlucose productionFree insulin-like growth factor IInsulin-like growth factor IHepatic glycogen concentrationGrowth factor IHepatic glycogen contentMagnetic resonance imagingRate of gluconeogenesisBlood glucosePlasma levelsHealthy subjectsEffects of free fatty acids on glucose transport and IRS-1–associated phosphatidylinositol 3-kinase activity
Dresner A, Laurent D, Marcucci M, Griffin M, Dufour S, Cline G, Slezak L, Andersen D, Hundal R, Rothman D, Petersen K, Shulman G. Effects of free fatty acids on glucose transport and IRS-1–associated phosphatidylinositol 3-kinase activity. Journal Of Clinical Investigation 1999, 103: 253-259. PMID: 9916137, PMCID: PMC407880, DOI: 10.1172/jci5001.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultFatty Acids, NonesterifiedFemaleGlucoseGlucose Clamp TechniqueGlucose-6-PhosphateGlycerolGlycogenHumansHyperinsulinismInsulinInsulin Receptor Substrate ProteinsInsulin ResistanceLipid MetabolismMagnetic Resonance SpectroscopyMaleMuscle, SkeletalPhosphatidylinositol 3-KinasesPhosphoproteinsConceptsFree fatty acidsIRS-1-associated phosphatidylinositolLipid infusionInsulin resistanceGlycerol infusionPlasma free fatty acidsWhole-body glucose uptakeFive-hour infusionLipid/heparinHyperinsulinemic-euglycemic clampGlucose concentrationGlucose transportMuscle glycogen synthesisDiminished glucose transportMuscle biopsy samplesHuman skeletal muscleRate of insulinGlucose-6-phosphate concentrationFatty acidsHealthy subjectsBiopsy samplesInfusion studiesIdentical protocolInfusionIRS-1-associated PI
1998
Effect of epinephrine on muscle glycogenolysis and insulin-stimulated muscle glycogen synthesis in humans
Laurent D, Petersen K, Russell R, Cline G, Shulman G. Effect of epinephrine on muscle glycogenolysis and insulin-stimulated muscle glycogen synthesis in humans. American Journal Of Physiology 1998, 274: e130-e138. PMID: 9458758, DOI: 10.1152/ajpendo.1998.274.1.e130.Peer-Reviewed Original ResearchConceptsInsulin-stimulated muscle glycogen synthesisMuscle glycogen synthesisMuscle glycogenolysisEpinephrine infusionPhysiological increaseWhole-body glucose oxidationMuscle glycogen synthesis ratesPlasma epinephrine concentrationEuglycemic hyperinsulinemic clampGlucose infusion rateEffect of epinephrineGlycogen synthesisInsulin-stimulated glycogenesisBasal insulinControl subjectsPlasma glucoseEpinephrine concentrationsFree fatty acidsBasal valuesInfusion rateGlycogen synthesis rateMuscle glycogenEpinephrineGlycogenolysisMajor impairment
1994
A liver factor increasing glucose uptake in rat hindquarters
Petersen K, Tygstrup N. A liver factor increasing glucose uptake in rat hindquarters. Journal Of Hepatology 1994, 20: 461-465. PMID: 8051382, DOI: 10.1016/s0168-8278(05)80490-8.Peer-Reviewed Original ResearchConceptsMin-1 xGlucose uptakeRat hindquartersIsolated rat hindquartersIsolated rat liverGlucose intoleranceIsolated perfusionLiver diseaseLiverLiver factorsKidney extractsHindquartersLiver extractsRat liverPerfusionPerfusateTissue extractsBW-1Muscle tissueSecond periodExtract fluidMumolUptakeExtractPeriod
1993
Gluconeogenesis in hepatocytes determined with [2-13C] acetate and quantitative 13C NMR spectroscopy
Petersen K, Grunnet N. Gluconeogenesis in hepatocytes determined with [2-13C] acetate and quantitative 13C NMR spectroscopy. The International Journal Of Biochemistry & Cell Biology 1993, 25: 1-5. PMID: 8432377, DOI: 10.1016/0020-711x(93)90482-t.Peer-Reviewed Original Research