2013
Faster In and Faster Out: Accelerating Insulin Absorption and Action by Insulin Infusion Site Warming
Cengiz E, Weinzimer SA, Sherr JL, Tichy EM, Carria L, Cappiello D, Steffen A, Tamborlane WV. Faster In and Faster Out: Accelerating Insulin Absorption and Action by Insulin Infusion Site Warming. Diabetes Technology & Therapeutics 2013, 16: 20-25. PMID: 24367934, PMCID: PMC3887414, DOI: 10.1089/dia.2013.0187.Peer-Reviewed Original ResearchBlunted glucagon but not epinephrine responses to hypoglycemia occurs in youth with less than 1 yr duration of type 1 diabetes mellitus
Arbelaez AM, Xing D, Cryer PE, Kollman C, Beck RW, Sherr J, Ruedy KJ, Tamborlane WV, Mauras N, Tsalikian E, Wilson DM, White NH, Group F. Blunted glucagon but not epinephrine responses to hypoglycemia occurs in youth with less than 1 yr duration of type 1 diabetes mellitus. Pediatric Diabetes 2013, 15: 127-134. PMID: 23992543, PMCID: PMC3858506, DOI: 10.1111/pedi.12070.Peer-Reviewed Original ResearchConceptsType 1 diabetes mellitusPeak epinephrineEpinephrine responseDiabetes mellitusT1DM subjectsRecent-onset type 1 diabetes mellitusHypoglycemia-associated autonomic failureBarrier of hypoglycemiaInsulin-induced hypoglycemiaAutonomic failureCounterregulatory hormonesSubsequent hypoglycemiaGlucagon responsePatients 9Recurrent hypoglycemiaGlycemic controlHypoglycemic clampEpinephrine levelsHypoglycemiaHormonal responsesT1DMGlucagonMellitusControl 19CR response
2012
Acceleration of insulin pharmacodynamic profile by a novel insulin infusion site warming device
Cengiz E, Weinzimer SA, Sherr JL, Tichy E, Martin M, Carria L, Steffen A, Tamborlane WV. Acceleration of insulin pharmacodynamic profile by a novel insulin infusion site warming device. Pediatric Diabetes 2012, 14: 168-173. PMID: 23107353, PMCID: PMC3572265, DOI: 10.1111/pedi.12001.Peer-Reviewed Original ResearchConceptsPlasma insulin levelsInsulin actionInsulin levelsAspart insulinRapid-acting insulin analoguesPhysiologic insulin actionClosed-loop insulin deliveryPostprandial glucose excursionsEuglycemic clamp techniqueIp activationTime-action profileType 1 diabetesWarming devicesEuglycemic clamp procedureBolus doseGlucose excursionsPharmacodynamic profileClamp procedurePeak actionInfusion siteBlood flowInsulin analoguesClamp techniqueInsulin absorptionInsulin bolus
2010
Early Pharmacokinetic and Pharmacodynamic Effects of Mixing Lispro With Glargine Insulin Results of glucose clamp studies in youth with type 1 diabetes
Cengiz E, Tamborlane WV, Martin-Fredericksen M, Dziura J, Weinzimer SA. Early Pharmacokinetic and Pharmacodynamic Effects of Mixing Lispro With Glargine Insulin Results of glucose clamp studies in youth with type 1 diabetes. Diabetes Care 2010, 33: 1009-1012. PMID: 20150302, PMCID: PMC2858163, DOI: 10.2337/dc09-2118.Peer-Reviewed Original ResearchConceptsType 1 diabetesGlucose clamp studiesGlucose excursionsClamp studiesMeal-related glucose excursionsRapid-acting insulin analoguesRapid-acting insulinEuglycemic glucose clampTime-action curvePharmacodynamic peakA1c levelsTreatment burdenPharmacodynamic effectsDaily injectionsUnits/Pharmacodynamic actionClinical studiesGlucose clampMixed injectionGlargineEarly pharmacokineticsInsulin analoguesObjective clinicianInsulin pharmacokineticsLispro
2008
Effect of Age of Infusion Site and Type of Rapid-Acting Analog on Pharmacodynamic Parameters of Insulin Boluses in Youth With Type 1 Diabetes Receiving Insulin Pump Therapy
Swan KL, Dziura JD, Steil GM, Voskanyan GR, Sikes KA, Steffen AT, Martin ML, Tamborlane WV, Weinzimer SA. Effect of Age of Infusion Site and Type of Rapid-Acting Analog on Pharmacodynamic Parameters of Insulin Boluses in Youth With Type 1 Diabetes Receiving Insulin Pump Therapy. Diabetes Care 2008, 32: 240-244. PMID: 19017777, PMCID: PMC2628686, DOI: 10.2337/dc08-0595.Peer-Reviewed Original ResearchConceptsInsulin pump therapyGlucose infusion rateType 1 diabetesDay 1Day 4Pump therapyInsulin aspartPharmacodynamic parametersInsulin actionInsulin bolusRapid acting analogsEuglycemic clamp procedureExogenous glucose infusionGIR curveEffect of agePharmacodynamic measuresPharmacodynamic characteristicsClamp procedureInfusion siteGlucose infusionInfusion rateInsulin analoguesType 1AspartOverall insulin action
2007
Effect of Puberty on the Pharmacodynamic and Pharmacokinetic Properties of Insulin Pump Therapy in Youth With Type 1 Diabetes
Swan KL, Weinzimer SA, Dziura JD, Steil GM, Voskanyan GR, Steffen AT, Martin ML, Tamborlane WV. Effect of Puberty on the Pharmacodynamic and Pharmacokinetic Properties of Insulin Pump Therapy in Youth With Type 1 Diabetes. Diabetes Care 2007, 31: 44-46. PMID: 17909083, DOI: 10.2337/dc07-0737.Peer-Reviewed Original Research
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
Defective Activation of Skeletal Muscle and Adipose Tissue Lipolysis in Type 1 Diabetes Mellitus during Hypoglycemia
Enoksson S, Caprio SK, Rife F, Shulman GI, Tamborlane WV, Sherwin RS. Defective Activation of Skeletal Muscle and Adipose Tissue Lipolysis in Type 1 Diabetes Mellitus during Hypoglycemia. The Journal Of Clinical Endocrinology & Metabolism 2003, 88: 1503-1511. PMID: 12679430, DOI: 10.1210/jc.2002-021013.Peer-Reviewed Original ResearchMeSH KeywordsAdipose TissueAdrenergic beta-AgonistsAdultBlood GlucoseDiabetes Mellitus, Type 1EpinephrineFatty Acids, NonesterifiedFemaleGlucoseGlucose Clamp TechniqueGlycerolHomeostasisHumansHypoglycemiaInsulinLactic AcidLipolysisMaleMuscle, SkeletalNorepinephrineReceptors, Adrenergic, beta-2TerbutalineConceptsT1DM patientsControl subjectsGlucose disposalAdipose tissueType 1 diabetes mellitus patientsWhole-body glucose disposalWhole-body glucose useSkeletal muscleDiabetes mellitus patientsGlucagon secretory responsesRisk of hypoglycemiaPlasma epinephrine concentrationSeverity of hypoglycemiaAdipose tissue lipolysisMajor target tissuesHyperinsulinemic euglycemiaAgonist terbutalineAdrenomedullary responseMellitus patientsNondiabetic subjectsDeficient releasePlasma epinephrinePlasma glucoseInsulin infusionCatecholamine secretionThe influence of insulin on circulating ghrelin
Flanagan DE, Evans ML, Monsod TP, Rife F, Heptulla RA, Tamborlane WV, Sherwin RS. The influence of insulin on circulating ghrelin. AJP Endocrinology And Metabolism 2003, 284: e313-e316. PMID: 12531744, DOI: 10.1152/ajpendo.00569.2001.Peer-Reviewed Original ResearchConceptsGhrelin productionGrowth hormone secretagogue receptorSuppression of ghrelinAction of ghrelinHyperglycemic glucose clampInfluence of insulinGhrelin releaseGhrelin levelsGH responseGH secretionGH axisInsulin infusionSecretagogue receptorGlucose clampGhrelinHypoglycemiaEnergy homeostasisPhysiological regulatorSignificant riseInsulinGHNovel peptideAdditional effectClampGlucose
2002
Do Sensor Glucose Levels Accurately Predict Plasma Glucose Concentrations During Hypoglycemia and Hyperinsulinemia?
Monsod TP, Flanagan DE, Rife F, Saenz R, Caprio S, Sherwin RS, Tamborlane WV. Do Sensor Glucose Levels Accurately Predict Plasma Glucose Concentrations During Hypoglycemia and Hyperinsulinemia? Diabetes Care 2002, 25: 889-893. PMID: 11978686, DOI: 10.2337/diacare.25.5.889.Peer-Reviewed Original Research
1997
Local ventromedial hypothalamus glucose perfusion blocks counterregulation during systemic hypoglycemia in awake rats.
Borg MA, Sherwin RS, Borg WP, Tamborlane WV, Shulman GI. Local ventromedial hypothalamus glucose perfusion blocks counterregulation during systemic hypoglycemia in awake rats. Journal Of Clinical Investigation 1997, 99: 361-365. PMID: 9006005, PMCID: PMC507804, DOI: 10.1172/jci119165.Peer-Reviewed Original ResearchConceptsVentromedial hypothalamic nucleusMM D-glucoseControl groupGlucose perfusionHypoglycemic counterregulationSystemic hypoglycemiaNorepinephrine releaseGlucagon secretionCatecholamine concentrationsHypothalamic nucleiAwake ratsHormonal secretionControl animalsHypoglycemiaHormonal responsesPerfusionL glucoseCounterregulationD-glucoseGlucagonRatsSecretionGlucoseAnimalsGlucopenia
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
1995
Central adiposity and its metabolic correlates in obese adolescent girls
Caprio S, Hyman LD, Limb C, McCarthy S, Lange R, Sherwin RS, Shulman G, Tamborlane WV. Central adiposity and its metabolic correlates in obese adolescent girls. American Journal Of Physiology 1995, 269: e118-e126. PMID: 7631766, DOI: 10.1152/ajpendo.1995.269.1.e118.Peer-Reviewed Original ResearchConceptsObese adolescent girlsObese girlsInsulin secretionInsulin actionSubcutaneous abdominal fat depotsFree fatty acid levelsGlucose-stimulated insulin responseHip circumference ratioEuglycemic insulin clampHyperglycemic clamp techniqueBasal insulin secretionAbdominal fat depotsAdolescent girlsHepatic glucose productionFatty acid levelsMagnetic resonance imagingLean womenCentral adiposityInsulin dosesVisceral fatInsulin clampInsulin resistanceNonobese girlsGlucose disposalInsulin infusion
1994
Metabolic 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
1991
SUPPRESSION OF COUNTERREGULATORY HORMONE RESPONSE TO HYPOGLYCEMIA BY INSULIN PER SE
DIAMOND M, HALLARMAN L, STARICK-ZYCH K, JONES T, CONNOLLY-HOWARD M, TAMBORLANE W, SHERWIN R. SUPPRESSION OF COUNTERREGULATORY HORMONE RESPONSE TO HYPOGLYCEMIA BY INSULIN PER SE. The Journal Of Clinical Endocrinology & Metabolism 1991, 72: 1388-1390. PMID: 2026760, DOI: 10.1210/jcem-72-6-1388.Peer-Reviewed Original ResearchMeSH KeywordsAdultDose-Response Relationship, DrugEpinephrineFemaleGlucagonGlucose Clamp TechniqueGrowth HormoneHumansHypoglycemiaInsulinMaleConceptsCounterregulatory hormone responsesHormone responseGlucose levelsNormal subjectsCounterregulatory hormone levelsResponses of epinephrineVariable glucose infusionDegree of hyperinsulinemiaHigh-dose studiesHypoglycemic clamp studiesHypoglycemic counterregulationHypoglycemic stimulusInsulin doseExogenous insulinDose studyHormone levelsGlucose infusionClamp studiesHypoglycemiaGrowth hormoneHypoglycemic plateauInsulinModulating effectOnly variableHyperinsulinemiaInsulin Resistance: An Early Metabolic Defect of Turner's Syndrome*
CAPRIO S, BOULWARE S, DIAMOND M, SHERWIN R, CARPENTER TO, RUBIN K, AMIEL S, PRESS M, TAMBORLANE W. Insulin Resistance: An Early Metabolic Defect of Turner's Syndrome*. The Journal Of Clinical Endocrinology & Metabolism 1991, 72: 832-836. PMID: 2005209, DOI: 10.1210/jcem-72-4-832.Peer-Reviewed Original ResearchConceptsInsulin-stimulated glucose metabolismEarly metabolic defectsNormal controlsGlucose metabolismTurner syndromeEuglycemic clampInsulin resistanceGroup 2Metabolic defectsTurner patientsAge-matched normal controlsChain amino acid levelsGroup of patientsRisk of diabetesNonoxidative glucose disposalIntracellular glucose metabolismWhole-body glucoseHepatic glucose productionNondiabetic patientsEstrogen therapyHormone therapyYounger patientsGlucose disposalHepatic sensitivityInsulin sensitivityInsulin Resistance of Puberty: a Defect Restricted to Peripheral Glucose Metabolism*
AMIEL S, CAPRIO S, SHERWIN R, PLEWE G, HAYMOND M, TAMBORLANE W. Insulin Resistance of Puberty: a Defect Restricted to Peripheral Glucose Metabolism*. The Journal Of Clinical Endocrinology & Metabolism 1991, 72: 277-282. PMID: 1991798, DOI: 10.1210/jcem-72-2-277.Peer-Reviewed Original ResearchConceptsPeripheral glucose metabolismInsulin resistancePubertal childrenGlucose metabolismHigher insulin doseMU/m2Hyperglycemic clamp studiesEuglycemic insulin clampEnhanced insulin responseHepatic glucose productionSelective insulin resistanceChain amino acidsHealthy prepubertalCompensatory hyperinsulinemiaInsulin doseInsulin clampPeripheral glucoseInsulin responsePlasma levelsPrepubertal childrenClamp studiesProtein anabolismNormal pubertyGlucose productionAmino acid metabolism