2005
The “Obese Insulin-Sensitive” Adolescent: Importance of Adiponectin and Lipid Partitioning
Weiss R, Taksali SE, Dufour S, Yeckel CW, Papademetris X, Cline G, Tamborlane WV, Dziura J, Shulman GI, Caprio S. The “Obese Insulin-Sensitive” Adolescent: Importance of Adiponectin and Lipid Partitioning. The Journal Of Clinical Endocrinology & Metabolism 2005, 90: 3731-3737. PMID: 15797955, DOI: 10.1210/jc.2004-2305.Peer-Reviewed Original ResearchConceptsInsulin sensitivityVisceral fatLipid depositionObese insulin-resistant adolescentsObese insulin-sensitive subjectsNormal glucose tolerancePeripheral insulin sensitivityIntramyocellular lipid contentBody mass indexInsulin-sensitive subjectsHyperinsulinemic-euglycemic clampInsulin-resistant adolescentsInsulin-sensitive controlsWide interindividual variationLipid partitioningLower lipid depositionPercent body fatMagnetic resonance imagingImportance of adiponectinObese insulinObese groupGlucose toleranceMass indexObese adolescentsIntramyocellular lipids
2004
Validation of Insulin Sensitivity Indices from Oral Glucose Tolerance Test Parameters in Obese Children and Adolescents
Yeckel CW, Weiss R, Dziura J, Taksali SE, Dufour S, Burgert TS, Tamborlane WV, Caprio S. Validation of Insulin Sensitivity Indices from Oral Glucose Tolerance Test Parameters in Obese Children and Adolescents. The Journal Of Clinical Endocrinology & Metabolism 2004, 89: 1096-1101. PMID: 15001593, DOI: 10.1210/jc.2003-031503.Peer-Reviewed Original ResearchConceptsWhole-body insulin sensitivity indexOral glucose tolerance testInsulin sensitivity indexIntramyocellular lipid contentInsulin sensitivityInsulin resistanceObese youthLarge cohortComposite whole body insulin sensitivity indexOral glucose tolerance test parametersSurrogate indexClamp-derived insulin sensitivityImpaired glucose toleranceGlucose tolerance testType 2 diabetesEuglycemic hyperinsulinemic clampInsulin sensitivity measurementsGlucose toleranceMetabolic syndromeObese childrenObese populationPoor functionPlasma glucoseTolerance testInsulin response
2003
Prediabetes in obese youth: a syndrome of impaired glucose tolerance, severe insulin resistance, and altered myocellular and abdominal fat partitioning
Weiss R, Dufour S, Taksali SE, Tamborlane WV, Petersen KF, Bonadonna RC, Boselli L, Barbetta G, Allen K, Rife F, Savoye M, Dziura J, Sherwin R, Shulman GI, Caprio S. Prediabetes in obese youth: a syndrome of impaired glucose tolerance, severe insulin resistance, and altered myocellular and abdominal fat partitioning. The Lancet 2003, 362: 951-957. PMID: 14511928, PMCID: PMC2995523, DOI: 10.1016/s0140-6736(03)14364-4.Peer-Reviewed Original ResearchConceptsImpaired glucose toleranceNormal glucose toleranceGlucose toleranceObese childrenInsulin resistanceObese adolescentsGlucose disposalInsulin sensitivitySevere peripheral insulin resistanceNon-oxidative glucose metabolismSubcutaneous fatH plasma glucose concentrationsAbdominal fat partitioningVisceral lipid contentsPeripheral glucose disposalHigher intramyocellular lipid contentAbdominal fat distributionDegree of obesityIntramyocellular lipid contentPeripheral insulin resistanceHigh visceral fatAbdominal subcutaneous fatEuglycaemic hyperinsulinaemic clampSevere insulin resistancePlasma glucose concentration