2025
ATGL links insulin dysregulation to insulin resistance in adolescents with obesity and hepatosteatosis
Slusher A, Santoro N, Vash-Margita A, Galderisi A, Hu P, Tokoglu F, Li Z, Tarabra E, Strober J, Vatner D, Shulman G, Caprio S. ATGL links insulin dysregulation to insulin resistance in adolescents with obesity and hepatosteatosis. Journal Of Clinical Investigation 2025, 135: e184740. PMID: 40091831, PMCID: PMC11910223, DOI: 10.1172/jci184740.Peer-Reviewed Original ResearchConceptsHyperinsulinemic-euglycemic clampSubcutaneous adipose tissueInsulin resistanceAdipose triglyceride lipaseInsulin infusionOral glucose tolerance testAbdominal fat distributionGlucose tolerance testMeasuring abdominal fat distributionLower liver fatActivating adipose triglyceride lipaseMetabolic disease riskLiver fat contentEctopic lipid storageFUNDINGThis workAdipose tissue lipolysisInhibition of adipose tissue lipolysisSubcutaneous adipose tissue samplesFat distributionTolerance testInsulin exposureLiver fatInfusionGlycerol turnoverAdipose tissue
2020
Mechanisms by which adiponectin reverses high fat diet-induced insulin resistance in mice
Li X, Zhang D, Vatner DF, Goedeke L, Hirabara SM, Zhang Y, Perry RJ, Shulman GI. Mechanisms by which adiponectin reverses high fat diet-induced insulin resistance in mice. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 32584-32593. PMID: 33293421, PMCID: PMC7768680, DOI: 10.1073/pnas.1922169117.Peer-Reviewed Original ResearchConceptsEpididymal white adipose tissueInsulin resistanceAdiponectin treatmentAdipose tissueHigh-fat diet-induced insulin resistanceType 2 diabetes mellitusWhole-body insulin resistanceDiet-induced insulin resistanceSkeletal muscleEctopic lipid storageReverses insulin resistanceInsulin-mediated suppressionMuscle fatty acid oxidationEndogenous glucose productionMuscle insulin resistanceWhite adipose tissueLipoprotein lipase activityMuscle fat oxidationPKCε translocationInsulin-stimulated glucose uptakeFatty acid oxidationTAG uptakeDiabetes mellitusMuscle sensitivityAkt serine phosphorylation
2012
Fatty acid amide hydrolase ablation promotes ectopic lipid storage and insulin resistance due to centrally mediated hypothyroidism
Brown WH, Gillum MP, Lee HY, Camporez JP, Zhang XM, Jeong JK, Alves TC, Erion DM, Guigni BA, Kahn M, Samuel VT, Cravatt BF, Diano S, Shulman GI. Fatty acid amide hydrolase ablation promotes ectopic lipid storage and insulin resistance due to centrally mediated hypothyroidism. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 14966-14971. PMID: 22912404, PMCID: PMC3443187, DOI: 10.1073/pnas.1212887109.Peer-Reviewed Original ResearchMeSH KeywordsAmidesAmidohydrolasesAnalysis of VarianceAnimalsArachidonic AcidsChromatography, LiquidEndocannabinoidsEnergy MetabolismEthanolaminesHypothyroidismImmunoblottingInsulin ResistanceMiceMice, KnockoutPalmitic AcidsPolymerase Chain ReactionPolyunsaturated AlkamidesPPAR gammaTandem Mass SpectrometryThyrotropinThyrotropin-Releasing HormoneThyroxineTriiodothyronineConceptsEctopic lipid storageHepatic insulin resistanceInsulin resistanceEnergy expenditureDiet-induced hepatic insulin resistanceHypothalamic thyrotropin-releasing hormoneFatty acid amide hydrolase knockout miceThyroid-stimulating hormoneThyrotropin-releasing hormoneLipid storageDeiodinase 2 expressionReduced mRNA expressionProtein kinase Cε activationHepatic diacylglycerol contentPituitary thyroid-stimulating hormoneExcess energy storageFAAH deletionKnockout miceReceptor γThyroid axisThyroxine concentrationsMRNA expressionMiceHypothyroidismFAAH
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