2020
One-leg inactivity induces a reduction in mitochondrial oxidative capacity, intramyocellular lipid accumulation and reduced insulin signalling upon lipid infusion: a human study with unilateral limb suspension
Bilet L, Phielix E, van de Weijer T, Gemmink A, Bosma M, Moonen-Kornips E, Jorgensen JA, Schaart G, Zhang D, Meijer K, Hopman M, Hesselink MKC, Ouwens DM, Shulman GI, Schrauwen-Hinderling VB, Schrauwen P. One-leg inactivity induces a reduction in mitochondrial oxidative capacity, intramyocellular lipid accumulation and reduced insulin signalling upon lipid infusion: a human study with unilateral limb suspension. Diabetologia 2020, 63: 1211-1222. PMID: 32185462, PMCID: PMC7228997, DOI: 10.1007/s00125-020-05128-1.Peer-Reviewed Original ResearchConceptsMitochondrial oxidative capacityLow mitochondrial oxidative capacityLipid infusionInsulin resistancePhysical inactivityOxidative capacityLipid-induced insulin resistanceUnilateral lower limb suspensionConclusions/interpretationTogetherIntramyocellular lipid depositionMusculus tibialis anteriorChronic metabolic disorderIntramyocellular lipid accumulationType 2 diabetesReduced insulin sensitivityMuscle fat accumulationMusculus vastus lateralisMitochondrial functionUnilateral limb suspensionIMCL contentContralateral legInsulin sensitivityResultsIn vivoTibialis anteriorFat accumulation
2012
Reversal of muscle insulin resistance by weight reduction in young, lean, insulin-resistant offspring of parents with type 2 diabetes
Petersen KF, Dufour S, Morino K, Yoo PS, Cline GW, Shulman GI. Reversal of muscle insulin resistance by weight reduction in young, lean, insulin-resistant offspring of parents with type 2 diabetes. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 8236-8240. PMID: 22547801, PMCID: PMC3361376, DOI: 10.1073/pnas.1205675109.Peer-Reviewed Original ResearchConceptsMuscle insulin resistanceInsulin-resistant offspringType 2 diabetesBranched-chain amino acidsInsulin resistanceIR offspringInsulin-stimulated muscle glucose uptakeWeight lossPeripheral insulin responsivenessReduction of IMCLModest weight lossPeripheral glucose metabolismC-reactive proteinHyperinsulinemic-euglycemic clampIntramyocellular lipid accumulationMuscle glucose uptakeAverage weight lossWeight reductionTotal adiponectinHypocaloric dietIL-6IMCL contentPlasma concentrationsWeight stabilizationIMCL accumulation
2003
Low Adiponectin Levels in Adolescent Obesity: A Marker of Increased Intramyocellular Lipid Accumulation
Weiss R, Dufour S, Groszmann A, Petersen K, Dziura J, Taksali SE, Shulman G, Caprio S. Low Adiponectin Levels in Adolescent Obesity: A Marker of Increased Intramyocellular Lipid Accumulation. The Journal Of Clinical Endocrinology & Metabolism 2003, 88: 2014-2018. PMID: 12727947, DOI: 10.1210/jc.2002-021711.Peer-Reviewed Original ResearchConceptsAdiponectin levelsInsulin sensitivityAdolescent obesityObese adolescentsPutative modulatory effectsLower adiponectin levelsAbdominal fat distributionIntramyocellular lipid contentPlasma adiponectin levelsIntramyocellular lipid accumulationEuglycemic hyperinsulinemic clampTotal body fatMagnetic resonance imagingCentral adiposityPediatric populationInsulin resistanceIntramuscular lipid contentTriglyceride levelsFat distributionLipid contentPlasma triglyceridesFree fatty acidsBody fatModulatory effectsAdiponectin
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