2020
Children and adolescents with type 1 and type 2 diabetes mellitus in the Pediatric Diabetes Consortium Registries: comparing clinical characteristics and glycaemic control
Van Name MA, Cheng P, Gal RL, Kollman C, Lynch J, Nelson B, Tamborlane WV, Consortium F. Children and adolescents with type 1 and type 2 diabetes mellitus in the Pediatric Diabetes Consortium Registries: comparing clinical characteristics and glycaemic control. Diabetic Medicine 2020, 37: 863-867. PMID: 31943374, DOI: 10.1111/dme.14233.Peer-Reviewed Original ResearchConceptsType 2 diabetesType 1 diabetesPediatric Diabetes ConsortiumTarget HbAType 1Median C-peptide levelsResidual endogenous insulin secretionType 2 diabetes mellitusC-peptide levelsEndogenous insulin secretionOverweight/obeseYears of agePoor diabetes outcomesSubset of participantsCharacteristics of childrenDiabetic ketoacidosisGlycaemic controlClinical characteristicsDiabetes mellitusDiabetes outcomesRisk factorsFamilies of childrenInsulin secretionInsulin treatmentDiabetes diagnosis
2015
C‐peptide levels in pediatric type 2 diabetes in the Pediatric Diabetes Consortium T2D Clinic Registry
Gregg B, Connor CG, Cheng P, Ruedy KJ, Beck RW, Kollman C, Schatz D, Cengiz E, Tamborlane WV, Klingensmith GJ, Lee JM, Consortium F. C‐peptide levels in pediatric type 2 diabetes in the Pediatric Diabetes Consortium T2D Clinic Registry. Pediatric Diabetes 2015, 17: 274-280. PMID: 25940861, DOI: 10.1111/pedi.12280.Peer-Reviewed Original ResearchConceptsC-peptide levelsC-peptide measurementsLower body mass indexPediatric type 2 diabetesInsulin-treated patientsEndogenous insulin secretionPediatric diabetes centersC-peptide valuesBody mass indexType 2 diabetesT2D durationInsulin therapyClinical factorsDiabetes CenterClinic registryMass indexC-peptideInsulin secretionInsulin treatmentLarge cohortT2DMetabolic controlType 2Biologic dataRegistryCGM-measured glucose values have a strong correlation with C-peptide, HbA1c and IDAAC, but do poorly in predicting C-peptide levels in the two years following onset of diabetes
Buckingham B, Cheng P, Beck RW, Kollman C, Ruedy KJ, Weinzimer SA, Slover R, Bremer AA, Fuqua J, Tamborlane W, for the Diabetes Research in Children Network (DirecNet) and Type 1 Diabetes TrialNet Study Groups. CGM-measured glucose values have a strong correlation with C-peptide, HbA1c and IDAAC, but do poorly in predicting C-peptide levels in the two years following onset of diabetes. Diabetologia 2015, 58: 1167-1174. PMID: 25773405, PMCID: PMC4416994, DOI: 10.1007/s00125-015-3559-y.Peer-Reviewed Original ResearchConceptsC-peptide levelsType 1 diabetesHigher C-peptide levelsC-peptideGlucose levelsTime pointsGlucose valuesMixed meal tolerance testAims/hypothesisThe aimCGM glucose levelsC-peptide responseWeeks of diagnosisOnset of diabetesLower glucose variabilityConclusions/interpretationInMethodsA secondary analysisSensor glucose levelsCGM glucose valuesAdditional time pointsHypothesisThe aimGlucose variabilityTolerance testContinuous glucose monitoring dataInsulin secretionCGM metrics
2005
β-Cell Function Across the Spectrum of Glucose Tolerance in Obese Youth
Weiss R, Caprio S, Trombetta M, Taksali SE, Tamborlane WV, Bonadonna R. β-Cell Function Across the Spectrum of Glucose Tolerance in Obese Youth. Diabetes 2005, 54: 1735-1743. PMID: 15919795, DOI: 10.2337/diabetes.54.6.1735.Peer-Reviewed Original Research
2004
The Normal Glucose Tolerance Continuum in Obese Youth: Evidence for Impairment in β-Cell Function Independent of Insulin Resistance
Yeckel CW, Taksali SE, Dziura J, Weiss R, Burgert TS, Sherwin RS, Tamborlane WV, Caprio S. The Normal Glucose Tolerance Continuum in Obese Youth: Evidence for Impairment in β-Cell Function Independent of Insulin Resistance. The Journal Of Clinical Endocrinology & Metabolism 2004, 90: 747-754. PMID: 15522932, DOI: 10.1210/jc.2004-1258.Peer-Reviewed Original ResearchConceptsBeta-cell responsivenessNormal glucose tolerancePlasma glucose levelsGlucose levelsGlucose toleranceInsulin sensitivityPlasma glucoseObese youthOral glucose tolerance testType 2 diabetes mellitusDecreased insulinogenic indexGlucose tolerance continuumGlucose tolerance testInsulin sensitivity indexContinuum of riskDelta insulinInsulinogenic indexDiabetes mellitusInsulin resistancePlasma levelsTolerance testNormal rangeFunction IndependentDlGlucose concentration
2002
Prevalence of Impaired Glucose Tolerance among Children and Adolescents with Marked Obesity
Sinha R, Fisch G, Teague B, Tamborlane WV, Banyas B, Allen K, Savoye M, Rieger V, Taksali S, Barbetta G, Sherwin RS, Caprio S. Prevalence of Impaired Glucose Tolerance among Children and Adolescents with Marked Obesity. New England Journal Of Medicine 2002, 346: 802-810. PMID: 11893791, DOI: 10.1056/nejmoa012578.Peer-Reviewed Original ResearchConceptsImpaired glucose toleranceType 2 diabetesC-peptide levelsGlucose toleranceGlucose tolerance testBeta-cell functionInsulin resistanceObese childrenInsulin levelsObese adolescentsGlucose levelsTwo-hour oral glucose tolerance testImpaired oral glucose toleranceOvert type 2 diabetesOral glucose tolerance testHomeostatic model assessmentOral glucose toleranceBody mass indexLevels of proinsulinBeta-cell failureIngestion of glucoseRatio of proinsulinSevere obesityMarked obesityChildhood obesity
1996
Co-existence of severe insulin resistance and hyperinsulinaemia in pre-adolescent obese children
Caprio S, Bronson M, Sherwin RS, Rife F, Tamborlane WV. Co-existence of severe insulin resistance and hyperinsulinaemia in pre-adolescent obese children. Diabetologia 1996, 39: 1489-1497. PMID: 8960831, DOI: 10.1007/s001250050603.Peer-Reviewed Original ResearchConceptsObese groupHyperglycaemic clampInsulin resistanceObese preadolescentsInsulin actionGlucose-stimulated insulin levelsHigher insulin infusion ratesNon-oxidative glucose metabolismGlucose uptakeDuration of obesityGroup of obeseNon-obese subjectsBeta-cell functionDevelopment of obesityEuglycaemic hyperinsulinaemic clampSevere insulin resistanceInsulin infusion rateCross-sectional analysisOnset of pubertyAbility of insulinSevere obesityObese adultsObese childrenObese subjectsInsulin levels
1994
Comparison of the metabolic effects of recombinant human insulin-like growth factor-I and insulin. Dose-response relationships in healthy young and middle-aged adults.
Boulware SD, Tamborlane WV, Rennert NJ, Gesundheit N, Sherwin RS. Comparison of the metabolic effects of recombinant human insulin-like growth factor-I and insulin. Dose-response relationships in healthy young and middle-aged adults. Journal Of Clinical Investigation 1994, 93: 1131-1139. PMID: 8132753, PMCID: PMC294058, DOI: 10.1172/jci117065.Peer-Reviewed Original ResearchConceptsRecombinant human insulin-like growth factorInsulin-like growth factorHuman insulin-like growth factorMiddle-aged subjectsC-peptideYoung subjectsBasal IGF-I levelsHealthy middle-aged subjectsGlucose uptakeGrowth factorAdverse metabolic changesFree fatty acid levelsIGF-I levelsRelative insulin deficiencyEuglycemic clamp studiesFat oxidation rateDose-response relationshipFatty acid levelsInsulin-induced stimulationMiddle-aged adultsBasal insulinInsulin deficiencyMetabolic effectsClamp studiesRhIGFMetabolic Effects of rhIGF-1 in Normal Human Subjects
Rennert NJ, Boulware SD, Kerr D, Caprio S, Tamborlane WV, Sherwin RS. Metabolic Effects of rhIGF-1 in Normal Human Subjects. Advances In Experimental Medicine And Biology 1994, 343: 311-318. PMID: 8184741, DOI: 10.1007/978-1-4615-2988-0_30.Peer-Reviewed Original ResearchConceptsRhIGF-1Hepatic glucose productionIGF-1Free fatty acidsGlucose productionGlucose uptakeEuglycemic clamp techniqueHuman IGF-1Normal human subjectsSpite of maintenanceSustained euglycemiaMetabolic effectsFFA levelsHypoglycemic effectClamp techniqueMetabolic actionsProfound reductionInsulinHypoglycemic hormoneFat cellsRatsComparable stimulationProtein breakdownSimilar extentEuglycemia
1993
Effect of insulin-like growth factor-1 on the responses to and recognition of hypoglycemia in humans. A comparison with insulin.
Kerr D, Tamborlane WV, Rife F, Sherwin RS. Effect of insulin-like growth factor-1 on the responses to and recognition of hypoglycemia in humans. A comparison with insulin. Journal Of Clinical Investigation 1993, 91: 141-147. PMID: 8423214, PMCID: PMC330007, DOI: 10.1172/jci116163.Peer-Reviewed Original ResearchConceptsRecombinant human insulin-like growth factor-1Insulin-like growth factor-1Growth factor-1Glucagon responseGlucose productionAbsent glucagon responsesPlasma glucose nadirsGrowth hormone responseInsulin-induced hypoglycemiaAwareness of hypoglycemiaGrowth hormone releaseFactor 1Hepatic glucose productionHuman insulin-like growth factor-1Recognition of hypoglycemiaSymptomatic awarenessNorepinephrine levelsCounterregulatory responsesHypoglycemic stimulusSympathetic activityGlucose nadirsGlucagon releaseBlood glucoseRebound increaseHormone release