2016
Hepatocyte mitochondrial DNA drives nonalcoholic steatohepatitis by activation of TLR9
Garcia-Martinez I, Santoro N, Chen Y, Hoque R, Ouyang X, Caprio S, Shlomchik MJ, Coffman RL, Candia A, Mehal WZ. Hepatocyte mitochondrial DNA drives nonalcoholic steatohepatitis by activation of TLR9. Journal Of Clinical Investigation 2016, 126: 859-864. PMID: 26808498, PMCID: PMC4767345, DOI: 10.1172/jci83885.Peer-Reviewed Original ResearchConceptsDevelopment of NASHNonalcoholic steatohepatitisTLR9 pathwayTLR9 pathway activationCommon liver diseaseObesity-induced changesHigh-fat dietActivation of TLR9Progressive diseaseLiver diseaseInflammatory phenotypeTLR9 antagonistTLR9Animal modelsPlasma mtDNAHepatocyte originPathway activationSteatohepatitisDiseaseMiceCellular requirementsActivationActivation capacityHigh levelsCirrhosis
2015
237 Humans and Mice With NASH Have Increased Plasma Levels of TLR9 Ligand, and a TLR7/9 Bifunctional Antagonist Reduces NASH in Mice
Garcia-Martinez I, Santoro N, Chen Y, Ouyang X, Caprio S, Coffman R, Candia A, Mehal W. 237 Humans and Mice With NASH Have Increased Plasma Levels of TLR9 Ligand, and a TLR7/9 Bifunctional Antagonist Reduces NASH in Mice. Gastroenterology 2015, 148: s-974. DOI: 10.1016/s0016-5085(15)33328-x.Peer-Reviewed Original ResearchSu1058 Low Dose Digoxin Protects From NASH and Alcoholic Hepatitis in Mice by Inhibiting Inflammasome Activity and Mitochondrial ROS Production
Ouyang X, Zhang J, Feng D, Cai S, Protiva P, Garcia-Martinez I, Wang F, Gao B, Mehal W. Su1058 Low Dose Digoxin Protects From NASH and Alcoholic Hepatitis in Mice by Inhibiting Inflammasome Activity and Mitochondrial ROS Production. Gastroenterology 2015, 148: s-1052. DOI: 10.1016/s0016-5085(15)33588-5.Peer-Reviewed Original Research
2010
Potentiation of Th17 cytokines in aging process contributes to the development of colitis
Ouyang X, Yang Z, Zhang R, Arnaboldi P, Lu G, Li Q, Wang W, Zhang B, Cui M, Zhang H, Liang-Chen J, Qin L, Zheng F, Huang B, Xiong H. Potentiation of Th17 cytokines in aging process contributes to the development of colitis. Cellular Immunology 2010, 266: 208-217. PMID: 21074754, PMCID: PMC3006034, DOI: 10.1016/j.cellimm.2010.10.007.Peer-Reviewed Original ResearchConceptsT cellsIL-17IL-22Aged miceTh17 cytokinesDendritic cellsYoung miceImmune responseAutoimmune/inflammatory diseasesDevelopment of colitisIL-17 productionMemory T cellsNaïve T cellsSevere colitisIL-17FInflammatory disordersInflammatory diseasesAged individualsMRNA expressionMiceColitisAged peopleSignificant differencesCytokinesHealthy ones
2009
Reduction of Stat3 Activity Attenuates HIV-Induced Kidney Injury
Feng X, Lu TC, Chuang PY, Fang W, Ratnam K, Xiong H, Ouyang X, Shen Y, Levy DE, Hyink D, Klotman M, D'Agati V, Iyengar R, Klotman PE, He JC. Reduction of Stat3 Activity Attenuates HIV-Induced Kidney Injury. Journal Of The American Society Of Nephrology 2009, 20: 2138-2146. PMID: 19608706, PMCID: PMC2754106, DOI: 10.1681/asn.2008080879.Peer-Reviewed Original ResearchConceptsHIV-associated nephropathyPodocyte differentiation markersSTAT3 phosphorylationDevelopment of HIVANPathogenesis of HIVANHIV-1 transgenic miceSTAT3 activityReduced expressionHIV-1 transgeneDifferentiation markersExpression of VEGFTg26 miceKidney injuryTubulointerstitial injuryActivation of STAT3Tubulointerstitial compartmentHIV-1 NefTransgenic miceB cell developmentProliferation markersPodocyte proliferationHuman kidneyMiceSTAT3 target genesPrimary podocytes
2008
Epstein‐Barr virus‐induced gene 3 negatively regulates IL‐17, IL‐22 and RORγt
Yang J, Yang M, Htut TM, Ouyang X, Hanidu A, Li X, Sellati R, Jiang H, Zhang S, Li H, Zhao J, Ting AT, Mayer L, Unkeless JC, Labadia ME, Hodge M, Li J, Xiong H. Epstein‐Barr virus‐induced gene 3 negatively regulates IL‐17, IL‐22 and RORγt. European Journal Of Immunology 2008, 38: 1204-1214. PMID: 18412165, PMCID: PMC2989250, DOI: 10.1002/eji.200838145.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCD4-Positive T-LymphocytesCell DifferentiationForkhead Transcription FactorsGene ExpressionGene Expression RegulationInterferon-gammaInterleukin-17InterleukinsListeria monocytogenesListeriosisMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicMinor Histocompatibility AntigensNuclear Receptor Subfamily 1, Group F, Member 3OvalbuminReceptors, Antigen, T-CellReceptors, Retinoic AcidReceptors, Thyroid HormoneSpleenT-LymphocytesT-Lymphocytes, RegulatoryTumor Necrosis Factor-alphaConceptsIL-17IL-22Th17 cellsIL-27Spleen cellsRORgamma tEpstein-Barr virus-induced gene 3IL-17-producing cellsReduced bacterial loadIL-35Protective immunityIL-12p35Th17 conditionsAdaptive immunityEBI3Mouse studiesL. monocytogenesBacterial loadMiceElevated levelsAcute challengeGene 3High levelsP28Immunity