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 ResearchMeSH KeywordsAdolescentBlood GlucoseDiabetes Mellitus, Type 2GlucoseHumansIncretinsInsulinInsulin ResistanceObesityConceptsOral 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 trajectoriesSecretionGroupThe lncOb rs10487505 polymorphism impairs insulin sensitivity and glucose tolerance in children and adolescents with obesity
Umano G, Cirillo G, Sanchez G, Rondinelli G, Foderini M, Ferrara S, Di Sessa A, Marzuillo P, Papparella A, Santoro N, del Giudice E. The lncOb rs10487505 polymorphism impairs insulin sensitivity and glucose tolerance in children and adolescents with obesity. Obesity 2023, 31: 2359-2364. PMID: 37550829, DOI: 10.1002/oby.23835.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentBody Mass IndexChildGlucoseHumansInsulinInsulin ResistanceLeptinPediatric ObesityPrediabetic StateRetrospective StudiesConceptsHomeostasis model assessmentInsulin resistanceDisposition indexLower whole-body insulin sensitivity indexModel assessmentWhole-body insulin sensitivity indexRisk of prediabetesHigher fasting insulinLower disposition indexPlasma leptin levelsInsulin sensitivity indexBMI z-scoreLeptin plasma levelsLeptin gene transcriptionFasting insulinGlucose toleranceLeptin levelsCC patientsRetrospective studyPlasma levelsAnthropometrical evaluationInsulin sensitivityHormone levelsHigh prevalenceHigh riskComparison of Metabolic Response to Colonic Fermentation in Lean Youth vs Youth With Obesity
Galuppo B, Umano G, Li Z, Van Name M, Samuels S, Kien C, Cline G, Wagner D, Barbieri E, Tricò D, Santoro N. Comparison of Metabolic Response to Colonic Fermentation in Lean Youth vs Youth With Obesity. JAMA Network Open 2023, 6: e2312530. PMID: 37159195, PMCID: PMC10170343, DOI: 10.1001/jamanetworkopen.2023.12530.Peer-Reviewed Original ResearchConceptsInsulin sensitivity indexCross-sectional studyFree fatty acidsColonic fermentationActive glucagon-like peptide-1Plasma free fatty acidsGlucagon-like peptide-1Indigestible dietary carbohydratesReduction of ghrelinActive GLP-1Health care burdenBody mass indexMetabolic responseInsulin-resistant groupLean youthObese insulinOIS groupPYY responseAnorexigenic responsePediatric obesityMass indexTyrosine tyrosineInsulin resistanceIntravenous infusionHormone secretion
2018
Metabolic Features of Nonalcoholic Fatty Liver (NAFL) in Obese Adolescents: Findings From a Multiethnic Cohort
Tricò D, Caprio S, Umano G, Pierpont B, Nouws J, Galderisi A, Kim G, Mata MM, Santoro N. Metabolic Features of Nonalcoholic Fatty Liver (NAFL) in Obese Adolescents: Findings From a Multiethnic Cohort. Hepatology 2018, 68: 1376-1390. PMID: 29665034, PMCID: PMC6173637, DOI: 10.1002/hep.30035.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdolescentBiopsy, NeedleBody Mass IndexCross-Sectional StudiesFemaleGene Expression RegulationGlucose Tolerance TestHumansImmunohistochemistryInsulin ResistanceMagnetic Resonance ImagingMaleMembrane ProteinsNon-alcoholic Fatty Liver DiseasePediatric ObesityPolymerase Chain ReactionPolymorphism, Single NucleotidePrognosisProspective StudiesROC CurveConceptsNonalcoholic fatty liverNonalcoholic fatty liver diseaseOral glucose tolerance testHepatic fat fractionObese adolescentsFatty liverMagnetic resonance imagingLiver diseaseMultiethnic cohortAbdominal magnetic resonance imagingC-peptide levelsChronic liver diseaseFatty liver diseaseGlucose tolerance testSingle nucleotide polymorphismsAltered glucose homeostasisGlucose toleranceLiver steatosisProspective studyInsulin resistanceTolerance testInsulin sensitivityRisk factorsCommon causeHigh prevalenceThe rs626283 Variant in the MBOAT7 Gene is Associated with Insulin Resistance and Fatty Liver in Caucasian Obese Youth
Umano GR, Caprio S, Di Sessa A, Chalasani N, Dykas DJ, Pierpont B, Bale AE, Santoro N. The rs626283 Variant in the MBOAT7 Gene is Associated with Insulin Resistance and Fatty Liver in Caucasian Obese Youth. The American Journal Of Gastroenterology 2018, 113: 376. PMID: 29485130, DOI: 10.1038/ajg.2018.1.Peer-Reviewed Original ResearchMeSH KeywordsAcyltransferasesAdolescentAllelesBlack or African AmericanChildFemaleGenetic Predisposition to DiseaseGenotypeGlucose Tolerance TestHispanic or LatinoHumansInsulin ResistanceLiverMagnetic Resonance ImagingMaleMembrane ProteinsNon-alcoholic Fatty Liver DiseasePediatric ObesityPolymorphism, Single NucleotideWhite PeopleConceptsCaucasian obese childrenMBOAT7 geneObese childrenLiver diseaseHepatic steatosisInsulin resistanceInsulin sensitivityAlcoholic fatty liver diseaseBody mass index z-scoreOral glucose tolerance testWhole-body insulin sensitivityAlcoholic liver diseaseFatty liver diseaseCurve of glucoseGlucose tolerance testIndex z-scoreMagnetic resonance imagingFatty liverPNPLA3 rs738409Liver damageTolerance testLeading causeMultiethnic cohortObese youthGlucose metabolism
2015
A Role of the Inflammasome in the Low Storage Capacity of the Abdominal Subcutaneous Adipose Tissue in Obese Adolescents
Kursawe R, Dixit VD, Scherer PE, Santoro N, Narayan D, Gordillo R, Giannini C, Lopez X, Pierpont B, Nouws J, Shulman GI, Caprio S. A Role of the Inflammasome in the Low Storage Capacity of the Abdominal Subcutaneous Adipose Tissue in Obese Adolescents. Diabetes 2015, 65: 610-618. PMID: 26718495, PMCID: PMC4764142, DOI: 10.2337/db15-1478.Peer-Reviewed Original ResearchMeSH KeywordsAbdomenAcetyl-CoA CarboxylaseAdipogenesisAdiponectinAdolescentCarrier ProteinsCaspase 1ChildDown-RegulationFatty Acid Synthase, Type IFemaleGene Expression ProfilingGlucose Transporter Type 4HumansInflammasomesInsulin ResistanceInterleukin-1betaIntra-Abdominal FatLeptinLipogenesisLipoprotein LipaseMacrophagesMagnetic Resonance ImagingMaleNLR Family, Pyrin Domain-Containing 3 ProteinObesityPPAR gammaSirtuin 1Sterol Regulatory Element Binding Protein 1Subcutaneous FatToll-Like Receptor 4ConceptsVisceral adipose tissueObese adolescentsInsulin resistanceTissue inflammationNLRP3 inflammasomeAdipose tissueInnate immune cell sensorsAbdominal subcutaneous adipose tissueAbdominal adipose depotsAbdominal fat partitioningAdipogenesis/lipogenesisAdipose tissue inflammationProinflammatory cytokines interleukinInfiltration of macrophagesExpression of CASP1Subcutaneous adipose tissueInflammation markersSAT biopsiesIL-18Macrophage infiltrationVisceral fatCytokines interleukinSAT ratioInsulin sensitivityAdipose depots