2024
Downregulation of adipose LPL by PAR2 contributes to the development of hypertriglyceridemia
Huang Y, Chen L, Li L, Qi Y, Tong H, Wu H, Xu J, Leng L, Cheema S, Sun G, Xia Z, McGuire J, Rodrigues B, Young L, Bucala R, Qi D. Downregulation of adipose LPL by PAR2 contributes to the development of hypertriglyceridemia. JCI Insight 2024, 9: e173240. PMID: 38973609, PMCID: PMC11383372, DOI: 10.1172/jci.insight.173240.Peer-Reviewed Original ResearchConceptsMacrophage migration inhibitory factorDevelopment of hypertriglyceridemiaWhite adipose tissueAdipose LPLPAR2 expressionLevels of macrophage migration inhibitory factorElevated plasma TG levelsLPL expressionLipoprotein lipaseIncrease PAR2 expressionPlasma MIF levelsPlasma TG levelsMigration inhibitory factorPalmitic acid dietInhibited Akt phosphorylationMIF levelsLipoprotein lipase geneTG levelsObese humansPlasma TGHypertriglyceridemiaAkt phosphorylationLipid storageInhibitory factorAdipose tissue
2023
Extracellular macrophage migration inhibitory factor (MIF) downregulates adipose hormone-sensitive lipase (HSL) and contributes to obesity
Chen L, Li L, Cui D, Huang Y, Tong H, Zabihi H, Wang S, Qi Y, Lakowski T, Leng L, Liu S, Wu H, Young L, Bucala R, Qi D. Extracellular macrophage migration inhibitory factor (MIF) downregulates adipose hormone-sensitive lipase (HSL) and contributes to obesity. Molecular Metabolism 2023, 79: 101834. PMID: 37935315, PMCID: PMC10700858, DOI: 10.1016/j.molmet.2023.101834.Peer-Reviewed Original ResearchMacrophage migration inhibitory factorExtracellular MIFHigh-fat dietHormone-sensitive lipaseDevelopment of obesityMigration inhibitory factorInhibitory factorRole of cytokinesExtracellular actionJNK phosphorylationMIF levelsSevere obesityHFD miceHFD feedingMIF antibodyWT miceAdipocyte hypertrophyCOP9 signalosome subunit 5Fat dietHSL expressionObesityAutocrine fashionHSL activationSensitive lipaseInhibitory actionA pref-1-controlled non-inflammatory mechanism of insulin resistance
Huang Y, Cui D, Chen L, Tong H, Wu H, Muller G, Qi Y, Wang S, Xu J, Gao X, Fifield K, Wang L, Xia Z, Vanderluit J, Liu S, Leng L, Sun G, McGuire J, Young L, Bucala R, Qi D. A pref-1-controlled non-inflammatory mechanism of insulin resistance. IScience 2023, 26: 106923. PMID: 37283810, PMCID: PMC10239698, DOI: 10.1016/j.isci.2023.106923.Peer-Reviewed Original ResearchInsulin resistanceMIF secretionPref-1 expressionPref-1Fat-induced insulin resistancePlasma MIF levelsNon-inflammatory mechanismsActivation of PAR2Palmitic acid dietHigh fat-induced insulin resistanceWhite adipose tissueSubsequent insulin resistanceMIF levelsPAR2 expressionM2 macrophagesAcid dietAdipose tissueAMPK-dependent mannerEndothelial cellsSecretionIntegrin β1CellsExpressionHigh levelsInflammation
2008
Macrophage migration inhibitory factor stimulates AMP-activated protein kinase in the ischaemic heart
Miller EJ, Li J, Leng L, McDonald C, Atsumi T, Bucala R, Young LH. Macrophage migration inhibitory factor stimulates AMP-activated protein kinase in the ischaemic heart. Nature 2008, 451: 578-582. PMID: 18235500, DOI: 10.1038/nature06504.Peer-Reviewed Original ResearchMeSH KeywordsAMP-Activated Protein KinasesAnimalsAntigens, Differentiation, B-LymphocyteCoronary Artery DiseaseEnzyme ActivationGenetic Predisposition to DiseaseGenotypeGlucoseHistocompatibility Antigens Class IIHumansHypoxiaMacrophage Migration-Inhibitory FactorsMiceMultienzyme ComplexesMyocardial IschemiaMyocardial Reperfusion InjuryMyocardiumPolymorphism, GeneticPromoter Regions, GeneticProtein Serine-Threonine KinasesRatsSignal TransductionConceptsIschemic heartMacrophage migration inhibitory factorLower MIF levelsCoronary artery diseaseIschemic heart diseaseMigration inhibitory factorPotential risk markerMIF levelsArtery diseaseRisk markersHeart diseaseIschemic stressCytokine MIFInhibitory factorGlucose uptakePotential drug targetsDiseaseHeartDrug targetsCellular stress responseAMPKMaster regulatorNew studiesPatientsAtherosclerosis