2024
Rare variants in the melanocortin 4 receptor gene (MC4R) are associated with abdominal fat and insulin resistance in youth with obesity
Galuppo B, Mannam P, Bonet J, Pierpont B, Trico’ D, Haskell-Luevano C, Ericson M, Freeman K, Philbrick W, Bale A, Caprio S, Santoro N. Rare variants in the melanocortin 4 receptor gene (MC4R) are associated with abdominal fat and insulin resistance in youth with obesity. International Journal Of Obesity 2024, 49: 819-826. PMID: 39738493, PMCID: PMC12095050, DOI: 10.1038/s41366-024-01706-0.Peer-Reviewed Original ResearchOral glucose tolerance testVisceral adipose tissueMelanocortin-4 receptor geneSubcutaneous adipose tissueVariant groupYale Pediatric Obesity ClinicInsulin resistanceEarly-onset obesityBMI z-scorePediatric obesity clinicRare variantsAdipose tissueAbdominal fat distributionDegree of obesityGlucose tolerance testTotal body fatIntrahepatic fat contentLower insulin sensitivityIntrahepatic fat accumulationAssociated with abdominal fatAbdominal MRIObesity clinicMetabolic sequelaePathogenic variantsFat distribution
2020
Glutamate–Serine–Glycine Index: A Novel Potential Biomarker in Pediatric Non-Alcoholic Fatty Liver Disease
Leonetti S, Herzog RI, Caprio S, Santoro N, Tricò D. Glutamate–Serine–Glycine Index: A Novel Potential Biomarker in Pediatric Non-Alcoholic Fatty Liver Disease. Children 2020, 7: 270. PMID: 33291552, PMCID: PMC7761842, DOI: 10.3390/children7120270.Peer-Reviewed Original ResearchNon-alcoholic fatty liver diseaseAbdominal fat distributionFatty liver diseaseMagnetic resonance imagingGlycine indexLiver diseaseRisk factorsFat distributionPediatric non-alcoholic fatty liver diseasePotential biomarkersIntrahepatic fat accumulationIntrahepatic fat contentTraditional risk factorsRisk pediatric populationsBody mass indexLiver insulin resistanceTwofold higher prevalencePlasma amino acidsNovel potential biomarkersRace/ethnicityNAFLD prevalenceNAFLD patientsMass indexPediatric populationInsulin resistanceIntrahepatic 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
2016
Role of TM6SF2 rs58542926 in the pathogenesis of nonalcoholic pediatric fatty liver disease: A multiethnic study
Goffredo M, Caprio S, Feldstein AE, D'Adamo E, Shaw MM, Pierpont B, Savoye M, Zhao H, Bale AE, Santoro N. Role of TM6SF2 rs58542926 in the pathogenesis of nonalcoholic pediatric fatty liver disease: A multiethnic study. Hepatology 2016, 63: 117-125. PMID: 26457389, PMCID: PMC4688225, DOI: 10.1002/hep.28283.Peer-Reviewed Original ResearchConceptsFatty liver diseaseHepatic fat contentLiver diseaseLiver biopsyTM6SF2 rs58542926Nonalcoholic fatty liver disease activity scorePediatric nonalcoholic fatty liver diseaseHigh hepatic fat contentPediatric fatty liver diseaseHigher alanine aminotransferase levelsNonalcoholic fatty liver diseaseOral glucose tolerance testMinor alleleDisease Activity ScoreIntrahepatic fat accumulationUnderwent liver biopsyAlanine aminotransferase levelsFavorable lipoprotein profileGlucose tolerance testLiver panelAminotransferase levelsCardiovascular riskActivity scoreObese childrenLipoprotein profile
2006
Alanine Aminotransferase Levels and Fatty Liver in Childhood Obesity: Associations with Insulin Resistance, Adiponectin, and Visceral Fat
Burgert TS, Taksali SE, Dziura J, Goodman TR, Yeckel CW, Papademetris X, Constable RT, Weiss R, Tamborlane WV, Savoye M, Seyal AA, Caprio S. Alanine Aminotransferase Levels and Fatty Liver in Childhood Obesity: Associations with Insulin Resistance, Adiponectin, and Visceral Fat. The Journal Of Clinical Endocrinology & Metabolism 2006, 91: 4287-4294. PMID: 16912127, DOI: 10.1210/jc.2006-1010.Peer-Reviewed Original ResearchConceptsIntrahepatic fat accumulationAlanine aminotransferase levelsHepatic fat fractionVisceral fatInsulin sensitivityMagnetic resonance imagingFat accumulationAminotransferase levelsMetabolic syndromeFatty liverInsulin resistanceChildhood obesityResonance imagingLipid metabolismNonalcoholic fatty liver diseaseHispanic race/ethnicityAbdominal fat partitioningSerum aminotransferase elevationFatty liver diseaseBiomarkers of inflammationHepatic fat accumulationReduced insulin sensitivityFat fractionRace/ethnicityAminotransferase elevation
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