Featured Publications
Hepatic follistatin increases basal metabolic rate and attenuates diet-induced obesity during hepatic insulin resistance
Tao R, Stöhr O, Wang C, Qiu W, Copps K, White M. Hepatic follistatin increases basal metabolic rate and attenuates diet-induced obesity during hepatic insulin resistance. Molecular Metabolism 2023, 71: 101703. PMID: 36906067, PMCID: PMC10033741, DOI: 10.1016/j.molmet.2023.101703.Peer-Reviewed Original ResearchConceptsHepatic insulin resistanceInsulin resistanceAdipose massBasal metabolic rateHepatic disruptionDiet-induced obesityFat mass accumulationTotal lean massHigh-fat dietBody weight changesHFD consumptionFat massLean massFOXO1-dependent mannerHepatic overexpressionHepatic insulinObesityMetabolic rate
2018
Insulin signaling and reduced glucocorticoid receptor activity attenuate postprandial gene expression in liver
Kalvisa A, Siersbæk M, Præstholm S, Christensen L, Nielsen R, Stohr O, Vettorazzi S, Tuckermann J, White M, Mandrup S, Grøntved L. Insulin signaling and reduced glucocorticoid receptor activity attenuate postprandial gene expression in liver. PLOS Biology 2018, 16: e2006249. PMID: 30532187, PMCID: PMC6301715, DOI: 10.1371/journal.pbio.2006249.Peer-Reviewed Original ResearchConceptsCircadian gene transcriptionGene transcriptionGene expressionCircadian-regulated genesInsulin-regulated genesGenomic approachesGlucocorticoid receptorGene programEnhancer activityCistromic analysisGlucocorticoid receptor activityGenesMechanistic insightsTranscriptionFeeding behaviorSelective disruptionDiet-induced obese animalsEnhancerReceptor activityFeeding responseDiet-induced obesityExpressionDysregulationChromatinFOXO1Rho kinase/AMPK axis regulates hepatic lipogenesis during overnutrition
Huang H, Lee S, Sousa-Lima I, Kim S, Hwang W, Dagon Y, Yang W, Cho S, Kang M, Seo J, Shibata M, Cho H, Belew G, Bhin J, Desai B, Ryu M, Shong M, Li P, Meng H, Chung B, Hwang D, Kim M, Park K, Macedo M, White M, Jones J, Kim Y. Rho kinase/AMPK axis regulates hepatic lipogenesis during overnutrition. Journal Of Clinical Investigation 2018, 128: 5335-5350. PMID: 30226474, PMCID: PMC6264719, DOI: 10.1172/jci63562.Peer-Reviewed Original ResearchConceptsNonalcoholic fatty liver diseaseFatty liver diseaseHepatic lipid accumulationLiver diseaseInsulin resistanceRisk factorsNovo lipogenesisObesity-related metabolic disordersLipid accumulationObesity-induced steatosisChronic liver diseaseObese diabetic miceDiet-induced obesityMajor risk factorSevere hepatic steatosisHigh-fat dietDe novo lipogenesisThermogenic gene expressionRho kinase 1Antidiabetes drugsDiabetic miceHepatic steatosisActivation of AMPKHepatocellular carcinomaMetabolic disorders
2017
Endotoxemia-mediated activation of acetyltransferase P300 impairs insulin signaling in obesity
Cao J, Peng J, An H, He Q, Boronina T, Guo S, White M, Cole P, He L. Endotoxemia-mediated activation of acetyltransferase P300 impairs insulin signaling in obesity. Nature Communications 2017, 8: 131. PMID: 28743992, PMCID: PMC5526866, DOI: 10.1038/s41467-017-00163-w.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell Line, TumorE1A-Associated p300 ProteinEndoplasmic Reticulum StressEndotoxemiaGene Expression ProfilingImmunoblottingInsulinInsulin ResistanceLipopolysaccharidesLiverMaleMembrane ProteinsMice, Inbred C57BLMice, ObeseObesityProtein Serine-Threonine KinasesReceptor, InsulinSignal TransductionX-Box Binding Protein 1ConceptsInsulin resistanceP300 acetyltransferase activityHigh-fat diet-fedChronic low-grade inflammationObese ob/ob miceOb/ob miceLow-grade inflammationDiet-induced obesityAcetyltransferase activityElevated plasma concentrationsPromising therapeutic targetCytoplasm of hepatocytesEndoplasmic reticulum stressObese patientsObese miceInsulin sensitivityIntestinal permeabilityOb micePlasma concentrationsDisrupts insulinTherapeutic targetImpairs insulinPharmacological inhibitionGlucose productionObesity
2009
Human IL6 enhances leptin action in mice
Sadagurski M, Norquay L, Farhang J, D’Aquino K, Copps K, White M. Human IL6 enhances leptin action in mice. Diabetologia 2009, 53: 525-535. PMID: 19902173, PMCID: PMC2815798, DOI: 10.1007/s00125-009-1580-8.Peer-Reviewed Original ResearchConceptsOb/ob miceWild-type miceOb miceHuman IL6Leptin actionDiet-induced obesityHigh-fat dietLower leptin concentrationsHypothalamic signal transducerCentral leptin actionSystemic inflammationTranscription 3 (STAT3) phosphorylationLeptin injectionInflammatory cytokinesInsulin resistanceLeptin concentrationsFood intakePhysical activityGlucose homeostasisAims/Body weightIL6MiceEnergy expenditureObesity