2024
Daily glucose variability is associated with intrahepatic fat content, β cell sensitivity, and biomarkers of glycolysis in youth with obesity
Barbieri E, Bonet J, Fox D, Nelson R, Nelson M, Nelson L, Fernandez C, Van Name M, Samuels S, Caprio S, Sabati M, Galderisi A, Sherr J, Man C, Santoro N. Daily glucose variability is associated with intrahepatic fat content, β cell sensitivity, and biomarkers of glycolysis in youth with obesity. Obesity 2024, 33: 116-124. PMID: 39658509, PMCID: PMC11666407, DOI: 10.1002/oby.24175.Peer-Reviewed Original ResearchConceptsIntrahepatic fat contentDaily glucose variabilityLiver proton density fat fractionProton density fat fractionGlucose variabilityInsulin sensitivityOral glucose tolerance testFat fractionInsulin secretionAssociated with insulin resistanceFirst-phase insulin secretionAssociated with 2-h glucoseGlucose tolerance testGlucose standard deviationMagnetic resonance imagingOral minimal modelCoefficient of variationBasal insulin secretionPediatric obesityPostprandial glucoseTolerance testCell sensitivityInsulin resistanceObesityResonance imaging
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 trajectoriesSecretionGroup
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 trajectoriesObesitySecretionGlucoseGroupA low n‐6 to n‐3 polyunsaturated fatty acid ratio diet improves hyperinsulinaemia by restoring insulin clearance in obese youth
Tricò D, Galderisi A, Van Name MA, Caprio S, Samuels S, Li Z, Galuppo BT, Savoye M, Mari A, Feldstein AE, Santoro N. A low n‐6 to n‐3 polyunsaturated fatty acid ratio diet improves hyperinsulinaemia by restoring insulin clearance in obese youth. Diabetes Obesity And Metabolism 2022, 24: 1267-1276. PMID: 35297549, PMCID: PMC9177628, DOI: 10.1111/dom.14695.Peer-Reviewed Original ResearchConceptsOral glucose tolerance testΒ-cell glucose sensitivityInsulin clearanceΒ-cell functionObese youthInsulin secretionRatio dietGlucose-dependent insulin secretionAbdominal magnetic resonance imagingWhole-body insulin sensitivityImpaired insulin clearancePostload insulin levelsWorse metabolic profileGlucose tolerance testHepatic fat contentDietary-induced changesGlucose sensitivityMagnetic resonance imagingInsulin levelsHepatic fatInsulin resistancePlasma insulinTolerance testInsulin sensitivityC-peptide
2019
Fructose Consumption Contributes to Hyperinsulinemia in Adolescents With Obesity Through a GLP-1–Mediated Mechanism
Galderisi A, Giannini C, Van Name M, Caprio S. Fructose Consumption Contributes to Hyperinsulinemia in Adolescents With Obesity Through a GLP-1–Mediated Mechanism. The Journal Of Clinical Endocrinology & Metabolism 2019, 104: 3481-3490. PMID: 30938760, PMCID: PMC6599430, DOI: 10.1210/jc.2019-00161.Peer-Reviewed Original ResearchConceptsLean adolescentsGLP-1Insulin responseFructose consumptionBaseline oral glucose tolerance testGlucagon-like peptide-1 secretionOral glucose tolerance testGlucose-dependent insulinotropic polypeptideHigher GLP-1Plasma glucose excursionsGLP-1 responsePeptide-1 secretionGlucose tolerance testIngestion of glucoseΒ-cell functionMeasures of glucoseEligible subjectsGlucose ingestionGlucose toleranceLean adultsAnorexic effectFructose challengeGreater insulinInsulinotropic polypeptideLean group
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