2023
Incretin effect determines glucose trajectory and insulin sensitivity in youths with obesity
Galderisi A, Tricò D, Lat J, Samuels S, Weiss R, Van Name M, Pierpont B, Santoro N, Caprio S. Incretin effect determines glucose trajectory and insulin sensitivity in youths with obesity. JCI Insight 2023, 8: e165709. PMID: 37847560, PMCID: PMC10721315, DOI: 10.1172/jci.insight.165709.Peer-Reviewed Original ResearchConceptsOral glucose tolerance testΒ-cell functionIncretin effectBeta-cell functionInsulin sensitivityInsulin secretionGlucose levelsCell functionIsoglycemic intravenous glucose infusionGreater insulin sensitivityIntravenous glucose infusionPubertal transitionGlucose tolerance testGLP-17Glucagon suppressionGlucose infusionObesityLongitudinal increaseBaselineOGTTEffect groupGreater increaseLongitudinal trajectoriesSecretionGroupQuantifying beta cell function in the preclinical stages of type 1 diabetes
Galderisi A, Carr A, Martino M, Taylor P, Senior P, Dayan C. Quantifying beta cell function in the preclinical stages of type 1 diabetes. Diabetologia 2023, 66: 2189-2199. PMID: 37712956, PMCID: PMC10627950, DOI: 10.1007/s00125-023-06011-5.Peer-Reviewed Original ResearchConceptsType 1 diabetesBeta-cell functionInsulin secretionFunctional beta-cell massEarly pre-symptomatic stagesCell functionPre-symptomatic phaseBeta-cell massDisease-modifying interventionsPre-symptomatic stageContinuous glucose monitoringIslet autoimmunityInsulin sensitivityDisease progressionGlucose profilesInvasive measuresPreclinical stageMetabolic testsProgressive lossDiabetesMetabolic changesGlucose monitoringAvailable testsMeasurable changesOGTTIn silico design and validation of a time-varying PID controller for an artificial pancreas with intraperitoneal insulin delivery and glucose sensing
Libera A, Toffanin C, Drecogna M, Galderisi A, Pillonetto G, Cobelli C. In silico design and validation of a time-varying PID controller for an artificial pancreas with intraperitoneal insulin delivery and glucose sensing. APL Bioengineering 2023, 7: 026105. PMID: 37229215, PMCID: PMC10205143, DOI: 10.1063/5.0145446.Peer-Reviewed Original ResearchIP insulin deliveryInsulin deliveryPeritoneal spaceMeal announcementChronic autoimmune diseaseInsulin kineticsParadigm of treatmentBeta-cell functionIntraperitoneal insulin deliveryType 1 diabetesInpatient trialPeripheral hyperinsulinemiaMacrovascular complicationsGlycemic controlTwo-compartment modelInsulin replacementAutoimmune diseasesInsulin delivery systemsInsulin secretionDaily burdenInsulin pumpAid useCell functionArtificial pancreasDiseaseBeta cell function in the early stages of type 1 diabetes: still a long way ahead of us
Galderisi A. Beta cell function in the early stages of type 1 diabetes: still a long way ahead of us. Pediatric Endocrinology Diabetes And Metabolism 2023, 29: 1-3. PMID: 37218722, PMCID: PMC10226454, DOI: 10.5114/pedm.2023.126360.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsBeta-cell functionType 1 diabetesIslet autoimmunityCell functionFunctional beta-cell massDisease-modifier drugsUnderlying autoimmune processPre-symptomatic phaseBeta-cell massSymptomatic diabetesAutoimmune processClinical onsetSurrogate markerDiabetes progressionC-peptideInsulin secretionModifier drugsEarly changesDiabetesMetabolic changesDysglycaemiaAutoimmunityT1DOnsetModifier treatmentObstructive sleep apnea (OSA) is associated with the impairment of beta-cell response to glucose in children and adolescents with obesity
Umano G, Galderisi A, Aiello F, Martino M, Camponesco O, Di Sessa A, Marzuillo P, Alfonso P, Miraglia del Giudice E. Obstructive sleep apnea (OSA) is associated with the impairment of beta-cell response to glucose in children and adolescents with obesity. International Journal Of Obesity 2023, 47: 257-262. PMID: 36670156, PMCID: PMC10113157, DOI: 10.1038/s41366-023-01257-w.Peer-Reviewed Original ResearchConceptsMild obstructive sleep apneaObstructive sleep apneaOral glucose tolerance testSevere obstructive sleep apneaInsulin secretionSleep apneaPlasma glucoseCardio-respiratory polygraphyTotal insulin secretionApnea-hypopnea indexOxygen desaturation indexBeta-cell responseGlucose tolerance testBeta-cell functionDynamic insulin secretionSpearman correlation testOral minimal modelOGTT studyReleasable insulinOSA severityDesaturation indexPediatric clinicTolerance testInsulin sensitivityLow prevalence
2022
342-OR: Low Incretin Effect Is Associated with Longitudinal Decline of Beta-Cell Function and Insulin Sensitivity in Obese Youth
GALDERISI A, LAT J, SAMUELS S, PIERPONT B, VAN NAME M, SANTORO N, CAPRIO S. 342-OR: Low Incretin Effect Is Associated with Longitudinal Decline of Beta-Cell Function and Insulin Sensitivity in Obese Youth. Diabetes 2022, 71 DOI: 10.2337/db22-342-or.Peer-Reviewed Original ResearchBeta-cell functionIncretin effectInsulin sensitivityInsulin secretionCell functionFirst-phase insulin secretionIsoglycemic intravenous glucose infusionLongitudinal declineReduced β-cell functionEarly insulin secretionLower insulin sensitivityIntravenous glucose infusionΒ-cell functionOral minimal modelIncretin groupsObese youthGlucose infusionRelative increaseNational InstituteTertileLongitudinal trajectoriesObesitySecretionGlucoseGroup
2018
The rs7903146 Variant in the TCF7L2 Gene Increases the Risk of Prediabetes/Type 2 Diabetes in Obese Adolescents by Impairing beta-Cell Function and Hepatic Insulin Sensitivity
C C, N S, L G, C D, C C, A G, R K, B P, M G, S C. The rs7903146 Variant in the TCF7L2 Gene Increases the Risk of Prediabetes/Type 2 Diabetes in Obese Adolescents by Impairing beta-Cell Function and Hepatic Insulin Sensitivity. 2018 DOI: 10.1530/ey.15.12.3.Peer-Reviewed Original Research