2023
Alterations in Adipose Tissue Distribution, Cell Morphology, and Function Mark Primary Insulin Hypersecretion in Youth With Obesity
Tricò D, Chiriacò M, Nouws J, Vash-Margita A, Kursawe R, Tarabra E, Galderisi A, Natali A, Giannini C, Hellerstein M, Ferrannini E, Caprio S. Alterations in Adipose Tissue Distribution, Cell Morphology, and Function Mark Primary Insulin Hypersecretion in Youth With Obesity. Diabetes 2023, 73: 941-952. PMID: 37870826, PMCID: PMC11109779, DOI: 10.2337/db23-0450.Peer-Reviewed Original ResearchPrimary insulin hypersecretionΒ-cell glucose sensitivityAdipose tissue distributionInsulin hypersecretionInsulin resistanceGlucose toleranceUnfavorable metabolic phenotypeWorse glucose toleranceLeptin serum levelsAbnormal glucose toleranceTissue distributionExcessive insulin secretionHigher leptin levelsVisceral fat depotsNon-diabetic adolescentsEuglycemic hyperinsulinemic clampWhole-body adiposityAbdominal subcutaneous adipocytesBody weight gainGlucose sensitivityPrimary hypersecretionGlucose intoleranceSerum levelsLeptin levelsChronic hyperinsulinemia
2021
Relation of glomerular filtration to insulin resistance and related risk factors in obese children
Magen D, Halloun R, Galderisi A, Caprio S, Weiss R. Relation of glomerular filtration to insulin resistance and related risk factors in obese children. International Journal Of Obesity 2021, 46: 374-380. PMID: 34725443, DOI: 10.1038/s41366-021-01001-2.Peer-Reviewed Original ResearchConceptsGlomerular filtration rateInsulin sensitivityObese childrenInsulin resistanceBlood pressureFiltration rateRisk factorsWhole-body insulin sensitivityChildhood insulin resistanceFuture kidney diseaseRelation of eGFRSignificant renal morbiditySpectrum of obesityCardiovascular risk factorsPresence of microalbuminuriaSystolic blood pressureRelated risk factorsHepatic insulin sensitivityBody insulin sensitivityObjectiveChildhood obesityRenal morbidityClinical outcomesGlucose toleranceMale sexKidney diseaseEarly Impairment of Insulin Sensitivity, β-Cell Responsiveness, and Insulin Clearance in Youth with Stage 1 Type 1 Diabetes
Galderisi A, Moran A, Evans-Molina C, Martino M, Santoro N, Caprio S, Cobelli C. Early Impairment of Insulin Sensitivity, β-Cell Responsiveness, and Insulin Clearance in Youth with Stage 1 Type 1 Diabetes. The Journal Of Clinical Endocrinology & Metabolism 2021, 106: 2660-2669. PMID: 34000022, PMCID: PMC8372628, DOI: 10.1210/clinem/dgab344.Peer-Reviewed Original ResearchConceptsOral glucose tolerance testΒ-cell responsivenessInsulin secretion rateΒ-cell functionInsulin sensitivityInsulin clearanceIslet autoantibodiesGlucose toleranceMultiple islet autoantibodiesOGTT glucose concentrationsPlasma insulin AUCImpaired glucose toleranceNormal glucose toleranceGlucose tolerance testType 1 diabetesReduced insulin sensitivityRatio of AUCOral minimal modelLean youthInsulin AUCClinical onsetInsulin levelsDisposition indexPresymptomatic phaseTolerance test
2020
Metabolic and Genetic Determinants of Glucose Shape After Oral Challenge in Obese Youths: A Longitudinal Study
Galderisi A, Tricò D, Man C, Santoro N, Pierpont B, Groop L, Cobelli C, Caprio S. Metabolic and Genetic Determinants of Glucose Shape After Oral Challenge in Obese Youths: A Longitudinal Study. The Journal Of Clinical Endocrinology & Metabolism 2020, 105: dgz207. PMID: 31972003, PMCID: PMC6977541, DOI: 10.1210/clinem/dgz207.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAllelesChildCross-Sectional StudiesDiabetes Mellitus, Type 2FemaleGenetic Predisposition to DiseaseGenotypeGlucoseGlucose IntoleranceGlucose Tolerance TestHumansInsulin SecretionInsulin-Secreting CellsLongitudinal StudiesMalePediatric ObesityPrediabetic StateTime FactorsTranscription Factor 7-Like 2 ProteinYoung AdultConceptsOral glucose tolerance testTCF7L2 rs7903146 variantΒ-cell responsivenessObese youthT risk alleleDisposition indexGlucose peakRs7903146 variantTCF7L2 rs7903146Lower disposition indexGlucose tolerance testOral minimal modelGlucose toleranceOral challengeDiabetes riskTolerance testInsulin sensitivityHigh glucose concentrationsLate peak groupMetabolic phenotypeGlucose concentrationLongitudinal studyReproducible markerPrevalenceRs7903146
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
2018
Ethnicity and Common Genetic Variants Modulate Nonalcoholic Fatty Liver Disease (NAFLD) Metabolic Phenotype in Obese Youth
TRICO D, CAPRIO S, UMANO G, GALDERISI A, MATA M, NOUWS J, PIERPONT B, KIM G, SANTORO N. Ethnicity and Common Genetic Variants Modulate Nonalcoholic Fatty Liver Disease (NAFLD) Metabolic Phenotype in Obese Youth. Diabetes 2018, 67 DOI: 10.2337/db18-313-or.Peer-Reviewed Original ResearchNonalcoholic fatty liver diseasePediatric nonalcoholic fatty liver diseaseType 2 diabetesInsulin resistanceObese adolescentsInsulin sensitivityPrevalence of NAFLDHigher C-peptide levelsOral glucose tolerance testAfrican AmericansC-peptide levelsHigh fasting glucoseFatty liver diseaseGlucose tolerance testLower insulin sensitivityMajor risk factorZ-score BMIHepatic fat contentStrongest predictorCommon gene variantsFasting GlucoseNAFLD developmentGlucose toleranceLiver diseaseTolerance test