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
2022
978-P: Rare Variants in Melanocortin 4 Receptor Gene (MC4R) Are Associated with Increased Visceral Fat and Altered Glucose Metabolism Independent of the Effect of Obesity in Children
GALUPPO B, MANNAM P, TRICO D, BALE A, CAPRIO S, SANTORO N. 978-P: Rare Variants in Melanocortin 4 Receptor Gene (MC4R) Are Associated with Increased Visceral Fat and Altered Glucose Metabolism Independent of the Effect of Obesity in Children. Diabetes 2022, 71 DOI: 10.2337/db22-978-p.Peer-Reviewed Original ResearchOral glucose tolerance testEffect of obesityIntrahepatic fatInsulin resistanceVisceral fatMelanocortin-4 receptor gene mutationsVariant groupsSimilar BMI z-scoresOverweight/obese youthRare variantsAbdominal fat distributionGlucose tolerance testLower insulin clearanceBMI z-scoreEarly-onset obesityBody fat percentageΒ-cell functionGreater visceral fatMelanocortin-4 receptor geneHigher plasma glucoseRegion of MC4RReceptor gene mutationsMetabolic sequelaeInsulin clearanceTolerance test
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