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
Mechanistic Insights Into the Heterogeneity of Glucose Response Classes in Youths With Obesity: A Latent Class Trajectory Approach
Tricò D, McCollum S, Samuels S, Santoro N, Galderisi A, Groop L, Caprio S, Shabanova V. Mechanistic Insights Into the Heterogeneity of Glucose Response Classes in Youths With Obesity: A Latent Class Trajectory Approach. Diabetes Care 2022, 45: 1841-1851. PMID: 35766976, PMCID: PMC9346992, DOI: 10.2337/dc22-0110.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentBlood GlucoseGlucoseGlucose IntoleranceHumansInsulinInsulin ResistanceObesityConceptsOral glucose tolerance testΒ-cell functionΒ-cell glucose sensitivityInsulin sensitivityGenetic risk profileMultiple oral glucose tolerance testsDifferent genetic risk profilesRisk profileMin oral glucose tolerance testLatent class trajectory analysisGlucose tolerance testImpaired insulin sensitivityPlasma glucose responseGlucose sensitivityClass 3Model-predicted probabilityClass 1Tolerance testProgressive impairmentMultiethnic cohortGlucose responseLongitudinal changesObesityTransient reductionInsulin kineticsA 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
2020
Intrahepatic fat, irrespective of ethnicity, is associated with reduced endogenous insulin clearance and hepatic insulin resistance in obese youths: A cross‐sectional and longitudinal study from the Yale Pediatric NAFLD cohort
Tricò D, Galderisi A, Mari A, Polidori D, Galuppo B, Pierpont B, Samuels S, Santoro N, Caprio S. Intrahepatic fat, irrespective of ethnicity, is associated with reduced endogenous insulin clearance and hepatic insulin resistance in obese youths: A cross‐sectional and longitudinal study from the Yale Pediatric NAFLD cohort. Diabetes Obesity And Metabolism 2020, 22: 1628-1638. PMID: 32363679, PMCID: PMC8174801, DOI: 10.1111/dom.14076.Peer-Reviewed Original ResearchConceptsHepatic insulin resistance indexNon-alcoholic fatty liver diseaseEndogenous insulin clearanceInsulin secretion rateInsulin clearanceHepatic insulin resistanceObese youthInsulin resistanceOral glucose tolerance testIntrahepatic fat accumulationIntrahepatic fat contentReduced insulin clearanceInsulin resistance indexFatty liver diseaseGlucose tolerance testWaist-hip ratioIntrahepatic lipid accumulationHepatic insulin sensitivityPlasma glucose levelsMulti-ethnic cohortC-peptide dataNAFLD cohortIntrahepatic fatLiver diseaseInsulin levels
2019
Lower Insulin Clearance Parallels a Reduced Insulin Sensitivity in Obese Youths and Is Associated With a Decline in β-Cell Function Over Time
Galderisi A, Polidori D, Weiss R, Giannini C, Pierpont B, Tricò D, Caprio S. Lower Insulin Clearance Parallels a Reduced Insulin Sensitivity in Obese Youths and Is Associated With a Decline in β-Cell Function Over Time. Diabetes 2019, 68: 2074-2084. PMID: 31399433, PMCID: PMC6804624, DOI: 10.2337/db19-0120.Peer-Reviewed Original Research