2014
Reversal of Early Abnormalities in Glucose Metabolism in Obese Youth: Results of an Intensive Lifestyle Randomized Controlled Trial
Savoye M, Caprio S, Dziura J, Camp A, Germain G, Summers C, Li F, Shaw M, Nowicka P, Kursawe R, DePourcq F, Kim G, Tamborlane WV. Reversal of Early Abnormalities in Glucose Metabolism in Obese Youth: Results of an Intensive Lifestyle Randomized Controlled Trial. Diabetes Care 2014, 37: 317-324. PMID: 24062325, PMCID: PMC3898759, DOI: 10.2337/dc13-1571.Peer-Reviewed Original ResearchConceptsStandard of careClinical careBlood glucoseObese adolescentsObese youthOral glucose tolerance test glucoseIntensive lifestyle modificationDiabetes Prevention ProgramStandard clinical careInsulin sensitivity indexHealthy lifestyle programType 2 diabetesRisk of T2DChildhood obesity epidemicΒ-cell dysfunctionLifestyle modificationControlled TrialsOGTT glucosePrimary outcomeGlucose toleranceInsulin resistanceLifestyle programAnthropometric assessmentEarly abnormalitiesGlucose levels
2009
Medium-Chain Fatty Acids Improve Cognitive Function in Intensively Treated Type 1 Diabetic Patients and Support In Vitro Synaptic Transmission During Acute Hypoglycemia
Page KA, Williamson A, Yu N, McNay EC, Dzuira J, McCrimmon RJ, Sherwin RS. Medium-Chain Fatty Acids Improve Cognitive Function in Intensively Treated Type 1 Diabetic Patients and Support In Vitro Synaptic Transmission During Acute Hypoglycemia. Diabetes 2009, 58: 1237-1244. PMID: 19223595, PMCID: PMC2671041, DOI: 10.2337/db08-1557.Peer-Reviewed Original ResearchConceptsType 1 diabetic subjectsMedium-chain triglyceridesSynaptic transmissionDiabetic subjectsMedium-chain triglyceride ingestionType 1 diabetic patientsRat hippocampal slice preparationHippocampal synaptic transmissionBeta-hydroxybutyrate levelsType 1 diabetesHypoglycemic clamp studiesHippocampal slice preparationControl glucose concentrationsTriglyceride ingestionDiabetic patientsFatty acidsAcute hypoglycemiaSymptomatic responseHippocampal slicesSlice preparationFree fatty acidsGlucose levelsClamp studiesTherapeutic advantageNeuronal activity
2008
Fully Automated Closed-Loop Insulin Delivery Versus Semiautomated Hybrid Control in Pediatric Patients With Type 1 Diabetes Using an Artificial Pancreas
Weinzimer SA, Steil GM, Swan KL, Dziura J, Kurtz N, Tamborlane WV. Fully Automated Closed-Loop Insulin Delivery Versus Semiautomated Hybrid Control in Pediatric Patients With Type 1 Diabetes Using an Artificial Pancreas. Diabetes Care 2008, 31: 934-939. PMID: 18252903, DOI: 10.2337/dc07-1967.Peer-Reviewed Original ResearchConceptsType 1 diabetesGlucose levelsHCl groupFCL groupInsulin pumpBeta cell replacement therapyPostprandial glycemic excursionsPostprandial glucose excursionsPostprandial glucose levelsClosed-loop glucose controlArtificial pancreasClosed-loop artificial pancreasPediatric patientsPostprandial excursionsBolus dosesGlycemic excursionsReplacement therapySubcutaneous routeGlucose controlGlucose excursionsInsulin delivery systemsHybrid closed-loop controlInsulin absorptionType 1DlEffect of Acute and Recurrent Hypoglycemia on Changes in Brain Glycogen Concentration
Herzog RI, Chan O, Yu S, Dziura J, McNay EC, Sherwin RS. Effect of Acute and Recurrent Hypoglycemia on Changes in Brain Glycogen Concentration. Endocrinology 2008, 149: 1499-1504. PMID: 18187548, PMCID: PMC2276713, DOI: 10.1210/en.2007-1252.Peer-Reviewed Original ResearchConceptsHypoglycemia-associated autonomic failureRecurrent hypoglycemiaAcute hypoglycemiaAutonomic failureBrain glycogenGlycogen levelsBrain glucoseGlucose levelsRH groupInsulin-induced acute hypoglycemiaSimilar blood glucose levelsIntensive insulin treatmentHyperinsulinemic-hypoglycemic clamp studyBrain glycogen concentrationHypoglycemic clamp studiesBlood glucose levelsBrain glucose levelsCounterregulatory failureDiabetic patientsGlycogen supercompensationRecurrent episodesSingle boutInsulin treatmentClamp studiesAnimal models
2007
Degree of Obesity and Glucose Allostasis Are Major Effectors of Glucose Tolerance Dynamics in Obese Youth
Weiss R, Cali AM, Dziura J, Burgert TS, Tamborlane WV, Caprio S. Degree of Obesity and Glucose Allostasis Are Major Effectors of Glucose Tolerance Dynamics in Obese Youth. Diabetes Care 2007, 30: 1845-1850. PMID: 17475938, DOI: 10.2337/dc07-0325.Peer-Reviewed Original ResearchConceptsOral glucose tolerance testDegree of obesityElevated glucose levelsObese youthGlucose toleranceAmbient glycemiaInsulin sensitivityGlucose levelsSecond oral glucose tolerance testBaseline BMI z-scoreGlucose tolerance testBMI z-scoreAltered glucose metabolismCross-sectional analysisTolerance testInsulin sensitizationGlucose metabolismObesityZ-scoreLongitudinal assessmentLongitudinal changesMajor effectorGlycemiaSignificant reduction
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 concentrationExperience with the continuous glucose monitoring system in a medical intensive care unit.
Goldberg PA, Siegel MD, Russell RR, Sherwin RS, Halickman JI, Cooper DA, Dziura JD, Inzucchi SE. Experience with the continuous glucose monitoring system in a medical intensive care unit. Diabetes Technology & Therapeutics 2004, 6: 339-47. PMID: 15198837, DOI: 10.1089/152091504774198034.Peer-Reviewed Original ResearchConceptsIntensive care unitMedical intensive care unitIll patientsContinuous glucose monitoring systemMedical ICUGlucose monitoring systemGlycemic excursionsCare unitStrict glycemic controlRole of hyperglycemiaBlood glucose levelsMICU patientsDiabetes mellitusGlycemic controlICU patientsClinical outcomesNursing workloadInpatient settingGlucose levelsPatientsStudy subjectsLarger studyBG readingsSES differencesFrequent monitoringImplementation of a Safe and Effective Insulin Infusion Protocol in a Medical Intensive Care Unit
Goldberg PA, Siegel MD, Sherwin RS, Halickman JI, Lee M, Bailey VA, Lee SL, Dziura JD, Inzucchi SE. Implementation of a Safe and Effective Insulin Infusion Protocol in a Medical Intensive Care Unit. Diabetes Care 2004, 27: 461-467. PMID: 14747229, DOI: 10.2337/diacare.27.2.461.Peer-Reviewed Original ResearchConceptsInsulin infusion protocolBlood glucose levelsGlucose levelsBlood glucose valuesIll patientsInfusion protocolMedical intensive care unit patientsGlucose valuesTarget blood glucose levelsMedical intensive care unitIntensive care unit patientsCare unit patientsSignificant adverse eventsIntensive care unitPrimary outcome measurementRelevant clinical variablesNarrow target rangeMICU nursesInsulin requirementsInsulin therapyUnit patientsAdverse eventsGlycemic controlCare unitClinical outcomes
2002
Brain glucose levels are elevated in chronically hyperglycemic diabetic rats: No evidence for protective adaptation by the blood brain barrier
Jacob RJ, Fan X, Evans ML, Dziura J, Sherwin RS. Brain glucose levels are elevated in chronically hyperglycemic diabetic rats: No evidence for protective adaptation by the blood brain barrier. Metabolism 2002, 51: 1522-1524. PMID: 12489061, DOI: 10.1053/meta.2002.36347.Peer-Reviewed Original ResearchConceptsDiabetic ratsBB/Wor diabetic ratsLong-term adverse effectsHyperglycemic diabetic ratsProtective adaptationBlood-brain barrier transferPlasma glucose ratioBlood-brain barrierBeta-hydroxybutyrate levelsBrain glucose levelsECF glucoseAcute hyperglycemiaChronic hyperglycemiaBlood glucoseBrain barrierHyperglycemic groupPeripheral tissuesGlucose levelsBeta-OHBInferior colliculusECF levelsProlonged elevationHyperglycemiaFluid glucoseBrain tissue