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
Rising NAFLD and metabolic severity during the Sars‐CoV‐2 pandemic among children with obesity in the United States
Slusher A, Hu P, Samuels S, Tokoglu F, Lat J, Li Z, Alguard M, Strober J, Vatner D, Shabanova V, Caprio S. Rising NAFLD and metabolic severity during the Sars‐CoV‐2 pandemic among children with obesity in the United States. Obesity 2023, 31: 1383-1391. PMID: 36694381, PMCID: PMC10186584, DOI: 10.1002/oby.23728.Peer-Reviewed Original ResearchConceptsNonalcoholic fatty liver diseaseOral glucose tolerance testGlucose tolerance testProton density fat fractionLiver diseaseSars-Cov-2 pandemicTolerance testSeverity of NAFLDMagnetic resonance imaging-derived proton density fat fractionFrequency-matched control groupIntrahepatic fat contentCommon liver diseaseFatty liver diseasePediatric obesity clinicVisceral adipose tissueGlobal pandemicNAFLD prevalenceObesity clinicMetabolic severityInsulin secretionAdipose tissueControl groupObesityPatient careHealth differences
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