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
1999
Effects 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