2025
Suppression of endothelial ceramide de novo biosynthesis by Nogo-B contributes to cardiometabolic diseases
Rubinelli L, Manzo O, Sungho J, Del Gaudio I, Bareja R, Marino A, Palikhe S, Di Mauro V, Bucci M, Falcone D, Elemento O, Ersoy B, Diano S, Sasset L, Di Lorenzo A. Suppression of endothelial ceramide de novo biosynthesis by Nogo-B contributes to cardiometabolic diseases. Nature Communications 2025, 16: 1968. PMID: 40000621, PMCID: PMC11862206, DOI: 10.1038/s41467-025-56869-9.Peer-Reviewed Original ResearchConceptsNogo-BEndothelial dysfunctionHFD miceCardiometabolic diseasesSphingolipid signalingDevelopment of therapeutic strategiesBioactive sphingolipidsCeramide degradationSphingosine-1-phosphateHepatic glucose productionIn vivo evidenceEndothelial cellsEndothelial specific deletionCeramideBiosynthesisHigh-fat dietPathological implicationsSphingolipidsGlucose productionHFDIn vivoMale miceMetabolic dysfunctionTherapeutic strategiesMetabolic disorders
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 action
2022
Astrocyte reactivation in medial prefrontal cortex contributes to obesity-promoted depressive-like behaviors
Yu G, Cao F, Hou T, Cheng Y, Jia B, Yu L, Chen W, Xu Y, Chen M, Wang Y. Astrocyte reactivation in medial prefrontal cortex contributes to obesity-promoted depressive-like behaviors. Journal Of Neuroinflammation 2022, 19: 166. PMID: 35761401, PMCID: PMC9235218, DOI: 10.1186/s12974-022-02529-4.Peer-Reviewed Original ResearchConceptsDepressive-like behaviorMedial prefrontal cortexSpontaneous inhibitory postsynaptic currentsSpontaneous excitatory postsynaptic currentsOb/ob miceEmotion-related brain regionsHigh-fat dietAstrocyte reactivationNormal diet miceNeuronal activityBrain regionsGlial reactivationHFD miceSusceptible micePostsynaptic currentsObesogenic factorsOb miceInhibitory postsynaptic currentsNeuronal electrophysiological propertiesRisk of depressionExcitatory postsynaptic currentsWild-type micePrefrontal cortex contributesGlial responseAstrocyte reactivity
2021
335-OR: Lipid-Induced Insulin Resistance in the Renal Cortex Is Associated with Plasma Membrane Sn-1,2-diacylglycerol Accumulation and PKCe Translocation
HUBBARD B, GASPAR R, ZHANG D, KAHN M, NASIRI A, ZHANG X, CLINE G, SHULMAN G. 335-OR: Lipid-Induced Insulin Resistance in the Renal Cortex Is Associated with Plasma Membrane Sn-1,2-diacylglycerol Accumulation and PKCe Translocation. Diabetes 2021, 70 DOI: 10.2337/db21-335-or.Peer-Reviewed Original ResearchHigh-fat dietInsulin receptorInsulin resistanceLipid-Induced Insulin ResistanceRC miceProtein kinase CεRegular chowHFD miceRenal cortexCitrate synthase fluxHyperinsulinemic-euglycemic clamp conditionsAktS473 phosphorylationFatty acid fluxPyruvate oxidationPKCε translocationPyruvate dehydrogenase fluxPhosphorylationDiacylglycerol accumulationHFD feedingFat dietSpouse/partnerFold increaseSynthase fluxTranslocationIonis Pharmaceuticals
2019
Digoxin improves steatohepatitis with differential involvement of liver cell subsets in mice through inhibition of PKM2 transactivation
Zhao P, Han SN, Arumugam S, Yousaf MN, Qin Y, Jiang JX, Torok NJ, Chen Y, Mankash MS, Liu J, Li J, Iwakiri Y, Ouyang X. Digoxin improves steatohepatitis with differential involvement of liver cell subsets in mice through inhibition of PKM2 transactivation. AJP Gastrointestinal And Liver Physiology 2019, 317: g387-g397. PMID: 31411894, PMCID: PMC6842989, DOI: 10.1152/ajpgi.00054.2019.Peer-Reviewed Original ResearchConceptsHigh-fat dietSignificant clinical applicabilityHuman nonalcoholic steatohepatitisNonalcoholic steatohepatitisOral digoxinLiver injuryCell subsetsPathway activationMouse modelHigh-fat diet mouse modelLiver injury mouse modelHepatocyte mitochondrial dysfunctionClinical applicabilityDiet mouse modelInjury mouse modelDifferential involvementLarge clinical experienceNLRP3 inflammasome activationSignificant protective effectHIF-1α transactivationHepatic oxidative stress responseHypoxia-inducible factorLiver inflammationHFD miceWide dosage range
2018
Food withdrawal alters the gut microbiota and metabolome in mice
Zheng X, Zhou K, Zhang Y, Han X, Zhao A, Liu J, Qu C, Ge K, Huang F, Hernandez B, Yu H, Panee J, Chen T, Jia W, Jia W. Food withdrawal alters the gut microbiota and metabolome in mice. The FASEB Journal 2018, 32: 4878-4888. PMID: 29620942, PMCID: PMC9292403, DOI: 10.1096/fj.201700614r.Peer-Reviewed Original ResearchConceptsHigh-fat dietFood withdrawalGut microbiotaObese miceWithdrawal altersAbundance of microbesHost metabolic changesFree fatty acid metabolismBeneficial effectsNormal chow groupAbundance of metabolitesNormal lean miceFatty acid metabolismPathogenic ProteobacteriaMolecular mechanismsBranched-chain amino acidsHost serum metabolomeChain amino acidsCecal microbiomeAmino acidsHFD groupHFD miceDietary interventionLean miceNormal micePlacental growth factor (PlGF) is linked to inflammation and metabolic disorders in mice with diet-induced obesity
Kang M, Jeong J, Lee J, Park S, Sung Y, Choi M, Kwon W, Jang S, Choi K, Choo Y, Yoon D, Kim M, Ryoo Z. Placental growth factor (PlGF) is linked to inflammation and metabolic disorders in mice with diet-induced obesity. Endocrine Journal 2018, 65: ej17-0363. PMID: 29434073, DOI: 10.1507/endocrj.ej17-0363.Peer-Reviewed Original ResearchConceptsHigh-fat dietDiet-induced obesityCD3/CD28 stimulationEpididymal white adipose tissueObesity-induced inflammationPlacental growth factorVascular endothelial growth factorT cellsMetabolic disordersTg miceT cell differentiationAdipose tissueHFD miceGrowth factorCD28 stimulationInflammatory T cell differentiationPro-inflammatory cytokines IL-6Mice fed high-fat dietType 17 helper T cellsFed high-fat dietWT-HFD miceSystemic metabolic disordersIsolated T lymphocytesHelper T cellsCytokines IL-6
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