A Branched-Chain Amino Acid-Related Metabolic Signature Characterizes Obese Adolescents with Non-Alcoholic Fatty Liver Disease
Goffredo M, Santoro N, Tricò D, Giannini C, D’Adamo E, Zhao H, Peng G, Yu X, Lam TT, Pierpont B, Caprio S, Herzog RI. A Branched-Chain Amino Acid-Related Metabolic Signature Characterizes Obese Adolescents with Non-Alcoholic Fatty Liver Disease. Nutrients 2017, 9: 642. PMID: 28640216, PMCID: PMC5537762, DOI: 10.3390/nu9070642.Peer-Reviewed Original ResearchConceptsNon-alcoholic fatty liver diseaseMagnetic resonance imagingBranched-chain amino acidsFatty liver diseaseHepatic fat contentObese adolescentsInsulin resistanceLiver diseaseTwo-step hyperinsulinemic-euglycemic clampOral glucose tolerance testSecond magnetic resonance imagingSubset of patientsGlucose tolerance testHyperinsulinemic-euglycemic clampHigher plasma levelsHepatic insulin sensitivityChain amino acidsPlasma levelsTolerance testInsulin sensitivityMetabolomic signaturePlasma metabolitesResonance imagingValine levelsLipid metabolismElevated α-Hydroxybutyrate and Branched-Chain Amino Acid Levels Predict Deterioration of Glycemic Control in Adolescents
Tricò D, Prinsen H, Giannini C, de Graaf R, Juchem C, Li F, Caprio S, Santoro N, Herzog RI. Elevated α-Hydroxybutyrate and Branched-Chain Amino Acid Levels Predict Deterioration of Glycemic Control in Adolescents. The Journal Of Clinical Endocrinology & Metabolism 2017, 102: 2473-2481. PMID: 28482070, PMCID: PMC5505187, DOI: 10.1210/jc.2017-00475.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAmino Acids, Branched-ChainBiomarkersBlood GlucoseChildCross-Sectional StudiesDiabetes Mellitus, Type 2FemaleGlucose Tolerance TestGlycemic IndexHumansHydroxybutyratesInsulin ResistanceLinear ModelsLongitudinal StudiesMaleMultivariate AnalysisObesityPredictive Value of TestsReference ValuesRisk AssessmentConceptsOral glucose tolerance testBranched-chain amino acidsGlycemic controlInsulin resistanceΑ-hydroxybutyrateGlucose toleranceInsulin sensitivityParameters of IRBody mass index z-scoreType 2 diabetes mellitusEarly metabolic featuresChain amino acid levelsTraditional risk factorsPediatric obesity clinicGlucose tolerance testElevated baseline concentrationsIndex z-scoreType 2 diabetesReduced insulin sensitivityDiabetes mellitusObesity clinicNondiabetic adolescentsProgressive worseningDisposition indexGlucose controlOxidized Derivatives of Linoleic Acid in Pediatric Metabolic Syndrome: Is Their Pathogenic Role Modulated by the Genetic Background and the Gut Microbiota?
Tricò D, Di Sessa A, Caprio S, Chalasani N, Liu W, Liang T, Graf J, Herzog R, Johnson CD, Umano GR, Feldstein AE, Santoro N. Oxidized Derivatives of Linoleic Acid in Pediatric Metabolic Syndrome: Is Their Pathogenic Role Modulated by the Genetic Background and the Gut Microbiota? Antioxidants & Redox Signaling 2017, 30: 241-250. PMID: 28279074, PMCID: PMC6277079, DOI: 10.1089/ars.2017.7049.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAge FactorsBiomarkersChildDelta-5 Fatty Acid DesaturaseDisease SusceptibilityFatty Acid DesaturasesFemaleGastrointestinal MicrobiomeGenetic BackgroundGenetic Predisposition to DiseaseHaplotypesHumansLinoleic AcidLipid MetabolismLipoproteinsMaleMetabolic SyndromeMetabolomeObesityOxidation-ReductionConceptsProatherogenic lipoprotein profilePediatric metabolic syndromeLipoprotein profileGut microbiotaGut bacterial loadMetabolic syndromeObese adolescentsSmall dense low-density lipoproteinBacterial loadAdverse lipoprotein profileLow-density lipoprotein particlesHigher plasma concentrationsLow-density lipoproteinLinoleic acid metabolitesPlasma 9Haplotype AAPathogenic rolePlasma concentrationsGenetic predispositionAcid metabolitesGenetic backgroundLipoprotein particlesMetSSyndromeMicrobiotaβ-Hydroxybutyrate Deactivates Neutrophil NLRP3 Inflammasome to Relieve Gout Flares
Goldberg EL, Asher JL, Molony RD, Shaw AC, Zeiss CJ, Wang C, Morozova-Roche LA, Herzog RI, Iwasaki A, Dixit VD. β-Hydroxybutyrate Deactivates Neutrophil NLRP3 Inflammasome to Relieve Gout Flares. Cell Reports 2017, 18: 2077-2087. PMID: 28249154, PMCID: PMC5527297, DOI: 10.1016/j.celrep.2017.02.004.Peer-Reviewed Original ResearchConceptsKetogenic dietGouty flaresΒ-hydroxybutyrateMajor risk factorAnti-inflammatory moleculesNLRP3-dependent mannerAlternate metabolic fuelsGout flaresJoint destructionIL-1βIntense painInterleukin-1βNLRP3 inflammasomeRisk factorsInflammatory neutrophilsBacterial infectionsNeutrophilsNLRP3Immune defenseGoutMetabolic fuelsBHBS100A9 fibrilsDietPain