2018
Evaluation of PET Brain Radioligands for Imaging Pancreatic β-Cell Mass: Potential Utility of 11C-(+)-PHNO
Bini J, Naganawa M, Nabulsi N, Huang Y, Ropchan J, Lim K, Najafzadeh S, Herold KC, Cline GW, Carson RE. Evaluation of PET Brain Radioligands for Imaging Pancreatic β-Cell Mass: Potential Utility of 11C-(+)-PHNO. Journal Of Nuclear Medicine 2018, 59: 1249-1254. PMID: 29371405, PMCID: PMC6071501, DOI: 10.2967/jnumed.117.197285.Peer-Reviewed Original ResearchConceptsT1DM subjectsΒ-cell massHealthy controlsΒ-cellsAbdominal organsType 1 diabetes mellitusC-peptide levelsHealthy control subjectsPancreatic β-cell massDeficient insulin secretionReceptor agonist radioligandPET/CTIslets of LangerhansDynamic PET/CTCommon cellular receptorPancreatic bindingDiabetes mellitusDiabetic subjectsControl subjectsNeurologic tissueC-peptideInsulin secretionMean SUVAgonist radioligandDiabetes therapy
2014
Safety of Nighttime 2-Hour Suspension of Basal Insulin in Pump-Treated Type 1 Diabetes Even in the Absence of Low Glucose
Sherr JL, Collazo M, Cengiz E, Michaud C, Carria L, Steffen AT, Weyman K, Zgorski M, Tichy E, Tamborlane WV, Weinzimer SA. Safety of Nighttime 2-Hour Suspension of Basal Insulin in Pump-Treated Type 1 Diabetes Even in the Absence of Low Glucose. Diabetes Care 2014, 37: 773-779. PMID: 24170766, PMCID: PMC3931387, DOI: 10.2337/dc13-1608.Peer-Reviewed Original ResearchConceptsBlood β-hydroxybutyrate levelsΒ-hydroxybutyrate levelsBasal insulinBlood glucose levelsBasal insulin infusionGlucose levelsBlood glucoseInsulin infusionMorning blood glucose levelsType 1 diabetic subjectsUsual basal ratesBasal rateLow glucose levelsSignificant ketonemiaDiabetic ketoacidosisDiabetic subjectsControl nightSensor-augmented pump systemGlucose valuesType 1Experimental nightInsulinLow glucoseNext morningInfusion
2013
Increased Brain Lactate Concentrations Without Increased Lactate Oxidation During Hypoglycemia in Type 1 Diabetic Individuals
De Feyter HM, Mason GF, Shulman GI, Rothman DL, Petersen KF. Increased Brain Lactate Concentrations Without Increased Lactate Oxidation During Hypoglycemia in Type 1 Diabetic Individuals. Diabetes 2013, 62: 3075-3080. PMID: 23715622, PMCID: PMC3749358, DOI: 10.2337/db13-0313.Peer-Reviewed Original ResearchConceptsBrain lactate concentrationBlood-brain barrierHypoglycemia unawarenessLactate concentrationT1D subjectsControl subjectsType 1 diabetic subjectsType 1 diabetic individualsBlood-borne lactateNondiabetic control subjectsPlasma lactate concentrationMonocarboxylic acid transportDiabetic subjectsHypoglycemic clampT1D patientsDiabetic individualsBrain metabolismBrain fuelBrain glutamateBrain energeticsHypoglycemiaPatientsMetabolic adaptationAcid transportSubjects
2012
In Vivo Imaging of Endogenous Pancreatic β-Cell Mass in Healthy and Type 1 Diabetic Subjects Using 18F-Fluoropropyl-Dihydrotetrabenazine and PET
Normandin MD, Petersen KF, Ding YS, Lin SF, Naik S, Fowles K, Skovronsky DM, Herold KC, McCarthy TJ, Calle RA, Carson RE, Treadway JL, Cline GW. In Vivo Imaging of Endogenous Pancreatic β-Cell Mass in Healthy and Type 1 Diabetic Subjects Using 18F-Fluoropropyl-Dihydrotetrabenazine and PET. Journal Of Nuclear Medicine 2012, 53: 908-916. PMID: 22573821, PMCID: PMC3737743, DOI: 10.2967/jnumed.111.100545.Peer-Reviewed Original ResearchConceptsType 1 diabetes mellitusVesicular monoamine transporter type 2Pancreatic β-cell massStandardized uptake valueΒ-cell massDiabetes mellitusUptake valueType 1 diabetic subjectsΒ-cell densityHealthy control subjectsInsulin secretion capacityΒ-cell functionPathophysiology of diabetesTransporter type 2Nondisplaceable uptakeDiabetic subjectsControl subjectsDisease progressionClinical assessmentVMAT2 bindingRenal cortexTotal pancreasDTBZ PETEarly diagnosisInjected dose
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
Concurrent detection of secreted products from human lymphocytes by microengraving: Cytokines and antigen-reactive antibodies
Bradshaw EM, Kent SC, Tripuraneni V, Orban T, Ploegh HL, Hafler DA, Love JC. Concurrent detection of secreted products from human lymphocytes by microengraving: Cytokines and antigen-reactive antibodies. Clinical Immunology 2008, 129: 10-18. PMID: 18675591, PMCID: PMC2577144, DOI: 10.1016/j.clim.2008.06.009.Peer-Reviewed Original ResearchConceptsHuman peripheral blood mononuclear cellsPeripheral blood mononuclear cellsType 1 diabetic subjectsAntigen-reactive antibodiesBlood mononuclear cellsAnti-insulin antibodiesAntigen-specific antibodiesCell surface determinantsDiabetic subjectsIL-6Mononuclear cellsPositive titersIgG isotypeB cellsHuman lymphocytesSurface determinantsCytokinesAntibodiesClinical samplesHematopoietic cellsRare populationCellsMarkersHuman cellsLymphocytes
2006
Increased Brain Monocarboxylic Acid Transport and Utilization in Type 1 Diabetes
Mason GF, Petersen KF, Lebon V, Rothman DL, Shulman GI. Increased Brain Monocarboxylic Acid Transport and Utilization in Type 1 Diabetes. Diabetes 2006, 55: 929-934. PMID: 16567513, PMCID: PMC2995526, DOI: 10.2337/diabetes.55.04.06.db05-1325.Peer-Reviewed Original ResearchConceptsType 1 diabetesDiabetic subjectsControl subjectsType 1 diabetic subjectsInsulin-induced hypoglycemiaNondiabetic control subjectsMonocarboxylic acid transportBrain utilizationSimilar twofold increaseBrain energeticsHypoglycemiaType 1DiabetesOxidative metabolismNonglucose substratesBrainMetabolic substratesUpregulationPatientsAcid transportTwofold increaseSubjectsMagnetic resonance spectroscopyLactateMetabolism
2005
Loss of IL-4 Secretion from Human Type 1a Diabetic Pancreatic Draining Lymph Node NKT Cells
Kent SC, Chen Y, Clemmings SM, Viglietta V, Kenyon NS, Ricordi C, Hering B, Hafler DA. Loss of IL-4 Secretion from Human Type 1a Diabetic Pancreatic Draining Lymph Node NKT Cells. The Journal Of Immunology 2005, 175: 4458-4464. PMID: 16177088, DOI: 10.4049/jimmunol.175.7.4458.Peer-Reviewed Original ResearchConceptsT cell clonesINKT cell clonesINKT cellsIL-4Cell clonesNKT cellsLymph nodesCytokine secretionIFN-gammaHuman type 1AType 1AIslet-infiltrating CD4Invariant NKT cellsT cell primingIL-4 secretionRegulation of murineSite of drainageRegulatory cellsDiabetic subjectsCell primingT cellsDiabetic samplesAltered frequencyTCR stimulationSecretionExpanded T cells from pancreatic lymph nodes of type 1 diabetic subjects recognize an insulin epitope
Kent SC, Chen Y, Bregoli L, Clemmings SM, Kenyon NS, Ricordi C, Hering BJ, Hafler DA. Expanded T cells from pancreatic lymph nodes of type 1 diabetic subjects recognize an insulin epitope. Nature 2005, 435: 224-228. PMID: 15889096, DOI: 10.1038/nature03625.Peer-Reviewed Original ResearchConceptsWhite blood cellsAutoimmune diabetesLymph nodesType 1 diabetic subjectsPancreatic lymph nodesAntigen-specific therapyExpanded T cellsIslet cell transplantationType 1 diabetesPossible clinical relevanceStandard animal modelPrimary autoantigenNOD miceDiabetic subjectsImmune therapyMultiple sclerosisChildhood diabetesInsulin-producing cellsSpecific therapyImmune cellsT cellsT lymphocytesInsulin epitopesAnimal modelsClinical relevance
2002
Mechanism by which high-dose aspirin improves glucose metabolism in type 2 diabetes
Hundal RS, Petersen KF, Mayerson AB, Randhawa PS, Inzucchi S, Shoelson SE, Shulman GI. Mechanism by which high-dose aspirin improves glucose metabolism in type 2 diabetes. Journal Of Clinical Investigation 2002, 109: 1321-1326. PMID: 12021247, PMCID: PMC150979, DOI: 10.1172/jci14955.Peer-Reviewed Original ResearchConceptsAspirin treatmentInsulin resistanceTolerance testPlasma glucoseInsulin-stimulated peripheral glucose uptakeHigh-dose aspirin treatmentMixed meal tolerance testType 2 diabetic subjectsMixed-meal tolerance testType 2 diabetes mellitusHigh-dose aspirinWeeks of treatmentC-reactive proteinPeripheral glucose uptakeHyperinsulinemic-euglycemic clampType 2 diabetesPlasma insulin concentrationHepatic glucose productionFatty acid levelsDiabetes mellitusDiabetic subjectsTotal cholesterolGlucose toleranceInsulin clearanceTissue inflammationThe Effects of Rosiglitazone on Insulin Sensitivity, Lipolysis, and Hepatic and Skeletal Muscle Triglyceride Content in Patients With Type 2 Diabetes
Mayerson AB, Hundal RS, Dufour S, Lebon V, Befroy D, Cline GW, Enocksson S, Inzucchi SE, Shulman GI, Petersen KF. The Effects of Rosiglitazone on Insulin Sensitivity, Lipolysis, and Hepatic and Skeletal Muscle Triglyceride Content in Patients With Type 2 Diabetes. Diabetes 2002, 51: 797-802. PMID: 11872682, PMCID: PMC2995527, DOI: 10.2337/diabetes.51.3.797.Peer-Reviewed Original ResearchMeSH KeywordsAdipocytesAdipose TissueBlood GlucoseBody CompositionCalorimetry, IndirectDiabetes Mellitus, Type 2Fatty AcidsGlucose Clamp TechniqueGlycated HemoglobinGlycerolHumansHyperinsulinismInsulinKineticsLipidsLipolysisLiverMagnetic Resonance SpectroscopyMicrodialysisMiddle AgedMuscle, SkeletalOxidation-ReductionRosiglitazoneThiazolesThiazolidinedionesTriglyceridesConceptsPlasma fatty acid concentrationsMuscle triglyceride contentEffects of rosiglitazoneType 2 diabetesInsulin sensitivityPeripheral adipocytesTriglyceride contentRosiglitazone treatmentFatty acid concentrationsTwo-step hyperinsulinemic-euglycemic clampSkeletal muscle triglyceride contentType 2 diabetic subjectsInsulin-stimulated glucose metabolismWhole-body insulin sensitivityExtramyocellular lipid contentInsulin-responsive organHepatic triglyceride contentHyperinsulinemic-euglycemic clampAdipocyte insulin sensitivityDiabetic subjectsInsulin clampGlucose metabolismGlycerol releaseResponsive organSubcutaneous fat
2001
Cardiac responses to insulin-induced hypoglycemia in nondiabetic and intensively treated type 1 diabetic patients
Russell R, Chyun D, Song S, Sherwin R, Tamborlane W, Lee F, Pfeifer M, Rife F, Wackers F, Young L. Cardiac responses to insulin-induced hypoglycemia in nondiabetic and intensively treated type 1 diabetic patients. AJP Endocrinology And Metabolism 2001, 281: e1029-e1036. PMID: 11595660, DOI: 10.1152/ajpendo.2001.281.5.e1029.Peer-Reviewed Original ResearchMeSH KeywordsAdultCardiac OutputCatecholaminesChemical PrecipitationDiabetes Mellitus, Type 1DiastoleEpinephrineFatty Acids, NonesterifiedFemaleGlucagonGlucose Clamp TechniqueHeartHeart RateHumansHydrocortisoneHypoglycemiaInsulinLactic AcidMaleNorepinephrinePolyethylene GlycolsStroke VolumeSystoleVentricular Function, LeftConceptsType 1 diabetic patientsInsulin-induced hypoglycemiaNondiabetic groupType 1 diabetesDiabetic subjectsEuglycemic hyperinsulinemiaDiabetic patientsNondiabetic subjectsCardiac responseLeft ventricular systolicHealthy nondiabetic subjectsEquilibrium radionuclide angiographyDiabetic groupDiastolic functionVentricular systolicCardiovascular consequencesVentricular functionBlunted increaseCardiac outputGlucagon concentrationsPlasma catecholaminesRadionuclide angiographyInsulin infusionEuglycemic conditionsHypoglycemia
1999
A Prospective Study of Egg Consumption and Risk of Cardiovascular Disease in Men and Women
Hu FB, Stampfer MJ, Rimm EB, Manson JE, Ascherio A, Colditz GA, Rosner BA, Spiegelman D, Speizer FE, Sacks FM, Hennekens CH, Willett WC. A Prospective Study of Egg Consumption and Risk of Cardiovascular Disease in Men and Women. JAMA 1999, 281: 1387-1394. PMID: 10217054, DOI: 10.1001/jama.281.15.1387.Peer-Reviewed Original ResearchConceptsRisk of CHDCoronary heart diseaseHigher egg consumptionIncident casesEgg consumptionRelative riskCardiovascular diseaseHealth StudyFatal coronary heart diseaseStudy outsetIncident nonfatal myocardial infarctionCHD risk factorsHealth Professionals FollowNonfatal myocardial infarctionNurses' Health StudyProspective cohort studyFood frequency questionnaireCategories of intakeBlood cholesterol levelsDaily egg consumptionOverall significant associationProfessionals FollowCohort studyDiabetic subjectsProspective study
1996
Increased macrophage uptake of irreversibly glycated albumin modified-low density lipoproteins of normal and diabetic subjects is mediated by non-saturable mechanisms
Dobrian A, Lazar V, Tirziu D, Simionescu M. Increased macrophage uptake of irreversibly glycated albumin modified-low density lipoproteins of normal and diabetic subjects is mediated by non-saturable mechanisms. Biochimica Et Biophysica Acta 1996, 1317: 5-14. PMID: 8876621, DOI: 10.1016/0925-4439(96)00017-8.Peer-Reviewed Original ResearchConceptsAGE-AlbAdvanced glycosylation end productsDiabetic subjectsDensity lipoproteinAGE-albuminModified-low density lipoproteinsMacrophage uptakeOxidative-antioxidative balanceIndependent risk factorNon-saturable pathwayLow-density lipoproteinNon-saturable mechanismReceptor-mediated uptakeGlycosylation end productsLevel of glycationDiabetes mellitusDiabetic stateRisk factorsAtherosclerotic plaquesLipid peroxidesAcetylated LDLPeritoneal macrophagesReceptor pathwayLipoproteinDLDL
1993
Glucose suppresses superoxide generation in normal neutrophils: interference in phospholipase D activation
Ortmeyer J, Mohsenin V. Glucose suppresses superoxide generation in normal neutrophils: interference in phospholipase D activation. American Journal Of Physiology 1993, 264: c402-c410. PMID: 8383432, DOI: 10.1152/ajpcell.1993.264.2.c402.Peer-Reviewed Original ResearchConceptsNormal neutrophilsActivation of PLDNADPH oxidaseTreatment of neutrophilsReceptor-mediated stimulationN-formyl-MetPLD activationDiabetic subjectsFormation of inositolReceptor stimulationPhosphoinositide hydrolysisGlucose suppressesIntracellular Ca2NeutrophilsPhospholipase D activationMarked inhibitionLeu-PhePhospholipase D activityGeneration of O2D activationNonmetabolizable sugarPhosphatidic acidSuperoxide anionActivationGlucose
1992
Impaired stimulation of gluconeogenesis during prolonged hypoglycemia in intensively treated insulin-dependent diabetic subjects
Caprio S, Napoli R, Saccà L, Tamborlane WV, Sherwin RS. Impaired stimulation of gluconeogenesis during prolonged hypoglycemia in intensively treated insulin-dependent diabetic subjects. The Journal Of Clinical Endocrinology & Metabolism 1992, 75: 1076-1080. PMID: 1400874, DOI: 10.1210/jcem.75.4.1400874.Peer-Reviewed Original ResearchConceptsType I diabetic subjectsHepatic glucose productionDiabetic subjectsGlucose productionControl subjectsInsulin-dependent diabetic subjectsDefective glucose counterregulationFailure of gluconeogenesisLow-dose infusionInsulin-induced hypoglycemiaInsulin-dependent diabetesNormal control subjectsGlucagon responseGlucose counterregulationIDDM patientsIDDM subjectsDose infusionEpinephrine releaseInsulin levelsPlasma glucoseImpaired stimulationConversion of alanineNormal subjectsCompensatory stimulationHepatic response
1991
Opiate blockade enhances hypoglycemic counterregulation in normal and insulin-dependent diabetic subjects
Caprio S, Gerety G, Tamborlane WV, Jones T, Diamond M, Jacob R, Sherwin RS. Opiate blockade enhances hypoglycemic counterregulation in normal and insulin-dependent diabetic subjects. American Journal Of Physiology 1991, 260: e852-e858. PMID: 2058661, DOI: 10.1152/ajpendo.1991.260.6.e852.Peer-Reviewed Original ResearchConceptsInsulin-induced hypoglycemiaGlucose counterregulationIDDM patientsGlucose productionOpiate blockadeHormonal responsesInsulin-dependent diabetic subjectsCounterregulatory hormone releaseDefective glucose counterregulationInsulin clamp studiesAbsence of hypoglycemiaInsulin-dependent patientsVariable glucose infusionDefective counterregulationHypoglycemic counterregulationNaloxone studyGlucagon responseDiabetic subjectsEndogenous opiatesGlucoregulatory hormonesGlucoregulatory responsesHormone releaseGlucose infusionHealthy subjectsCortisol release
1990
Quantitation of Muscle Glycogen Synthesis in Normal Subjects and Subjects with Non-Insulin-Dependent Diabetes by 13C Nuclear Magnetic Resonance Spectroscopy
Shulman G, Rothman D, Jue T, Stein P, DeFronzo R, Shulman R. Quantitation of Muscle Glycogen Synthesis in Normal Subjects and Subjects with Non-Insulin-Dependent Diabetes by 13C Nuclear Magnetic Resonance Spectroscopy. New England Journal Of Medicine 1990, 322: 223-228. PMID: 2403659, DOI: 10.1056/nejm199001253220403.Peer-Reviewed Original ResearchConceptsMuscle glycogen synthesisNonoxidative glucose metabolismDiabetic subjectsNormal subjectsGlucose metabolismMuscle glycogenGlycogen synthesisHyperglycemic-hyperinsulinemic clamp studiesTotal body glucose uptakeWeight-matched healthy subjectsNon-insulin dependent diabetesSteady-state plasma concentrationsGlucose uptakeMean glucose uptakeDependent diabetes mellitusDiabetes mellitusInsulin resistanceGlucose disposalPlasma concentrationsHealthy subjectsStudy groupClamp studiesGastrocnemius muscleInsulin actionMean rate
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