2023
Comparison 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
2021
Changes in Weight-Related Health Behaviors and Social Determinants of Health among Youth with Overweight/Obesity during the COVID-19 Pandemic
Hu P, Samuels S, Maciejewski KR, Li F, Aloe C, Van Name M, Savoye M, Sharifi M. Changes in Weight-Related Health Behaviors and Social Determinants of Health among Youth with Overweight/Obesity during the COVID-19 Pandemic. Childhood Obesity 2021, 18: 369-382. PMID: 34919458, PMCID: PMC9492789, DOI: 10.1089/chi.2021.0196.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentBody Mass IndexCOVID-19Health BehaviorHumansOverweightPandemicsPediatric ObesitySocial Determinants of HealthConceptsOverweight/obesityWeight-related health behaviorsHealth behaviorsSocial determinantsExact testObesity-related comorbiditiesCoronavirus disease 2019 (COVID-19) pandemicRecreational screen timeVigorous physical activityFisher's exact testMultivariable regression modelsDisease 2019 pandemicStress Scale scoresBehavior changeHigher caregiver stressPhysical activityFood insecurityScale scoreAdolescents 13Caregiver stressObesityScreen timePsychosocial stressorsMost mealsHealth disparities
2020
A Low ω-6 to ω-3 PUFA Ratio (n–6:n–3 PUFA) Diet to Treat Fatty Liver Disease in Obese Youth
Van Name MA, Savoye M, Chick JM, Galuppo BT, Feldstein AE, Pierpont B, Johnson C, Shabanova V, Ekong U, Valentino PL, Kim G, Caprio S, Santoro N. A Low ω-6 to ω-3 PUFA Ratio (n–6:n–3 PUFA) Diet to Treat Fatty Liver Disease in Obese Youth. Journal Of Nutrition 2020, 150: 2314-2321. PMID: 32652034, PMCID: PMC7467848, DOI: 10.1093/jn/nxaa183.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentChildDietFatty Acids, Omega-3Fatty Acids, Omega-6Fatty LiverFemaleHumansMalePediatric ObesityConceptsFatty liver diseasePNPLA3 rs738409 genotypeLiver diseaseAlanine aminotransferaseRs738409 genotypeInsulin sensitivityObese youthNonalcoholic fatty liver diseaseGenotype groupsWhole-body insulin sensitivityBody insulin sensitivityLinoleic acid metabolitesHepatic fat fractionMann-Whitney U testDiet imbalanceNormocaloric dietPrimary outcomeLDL cholesterolDietary interventionFatty liverUnblinded studyObese adolescentsPUFA dietMetabolic parametersStable weight
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
2015
Hepatic De Novo Lipogenesis in Obese Youth Is Modulated by a Common Variant in the GCKR Gene
Santoro N, Caprio S, Pierpont B, Van Name M, Savoye M, Parks EJ. Hepatic De Novo Lipogenesis in Obese Youth Is Modulated by a Common Variant in the GCKR Gene. The Journal Of Clinical Endocrinology & Metabolism 2015, 100: e1125-e1132. PMID: 26043229, PMCID: PMC4524990, DOI: 10.1210/jc.2015-1587.Peer-Reviewed Original ResearchConceptsHepatic de novo lipogenesisDe novo lipogenesisFractional de novo lipogenesisCC subjectsNovo lipogenesisLiver lipid synthesisLow-density lipoproteinCarbohydrate drinkGlucose oxidationObese adolescentsObese youthTT subjectsTT genotypeCHO loadHigh basal ratesStudy aimRisk allelesGCKR geneLipogenesisGene variantsBasal rateCommon variantsSubjectsLipid synthesisLower increaseBlunted suppression of acyl‐ghrelin in response to fructose ingestion in obese adolescents: The role of insulin resistance
Van Name M, Giannini C, Santoro N, Jastreboff AM, Kubat J, Li F, Kursawe R, Savoye M, Duran E, Dziura J, Sinha R, Sherwin RS, Cline G, Caprio S. Blunted suppression of acyl‐ghrelin in response to fructose ingestion in obese adolescents: The role of insulin resistance. Obesity 2015, 23: 653-661. PMID: 25645909, PMCID: PMC4548801, DOI: 10.1002/oby.21019.Peer-Reviewed Original ResearchConceptsAcyl ghrelinObese insulinGlucose ingestionInsulin resistanceObese adolescentsCross-over designFructose ingestionGut hormonesChildhood obesityInsulin sensitivityFructose consumptionEffect of glucoseDiminished suppressionRandom orderIngestionObesityPYYAdolescentsInsulinSuppression differencesGlucoseMinutesResponseGhrelinOIR
2014
Leptin Is Associated With Exaggerated Brain Reward and Emotion Responses to Food Images in Adolescent Obesity
Jastreboff AM, Lacadie C, Seo D, Kubat J, Van Name MA, Giannini C, Savoye M, Constable RT, Sherwin RS, Caprio S, Sinha R. Leptin Is Associated With Exaggerated Brain Reward and Emotion Responses to Food Images in Adolescent Obesity. Diabetes Care 2014, 37: 3061-3068. PMID: 25139883, PMCID: PMC4207200, DOI: 10.2337/dc14-0525.Peer-Reviewed Original ResearchConceptsLow-calorie foodsBrain responsesFood imagesEmotion processingEmotion responsesAdolescent brainNeural responsesNeural activationHigh-calorie food consumptionFood cravingsNeural alterationsBrain rewardFunctional MRIAdolescent obesityRisk of overconsumptionAdolescentsObesity-related metabolic changesEndogenous leptin levelsFood advertisingMetabolic changesYouthDevelopment of obesityType 2 diabetesLean adolescentsNation's youth