2021
Super enhancer regulation of cytokine-induced chemokine production in alcoholic hepatitis
Liu M, Cao S, He L, Gao J, Arab J, Cui H, Xuan W, Gao Y, Sehrawat T, Hamdan F, Ventura-Cots M, Argemi J, Pomerantz W, Johnsen S, Lee J, Gao F, Ordog T, Mathurin P, Revzin A, Bataller R, Yan H, Shah V. Super enhancer regulation of cytokine-induced chemokine production in alcoholic hepatitis. Nature Communications 2021, 12: 4560. PMID: 34315876, PMCID: PMC8316465, DOI: 10.1038/s41467-021-24843-w.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsChemokinesCytokinesDisease Models, AnimalEndothelial CellsEnhancer Elements, GeneticEpigenesis, GeneticGene Expression RegulationHepatitis, AlcoholicHistonesHumansLipopolysaccharidesLiverMice, Inbred C57BLNeutrophilsNF-kappa BPromoter Regions, GeneticRNA-SeqSignal TransductionTranscription FactorsTumor Necrosis Factor-alphaConceptsAlcoholic hepatitisLiver sinusoidal endothelial cellsChemokine expressionNeutrophil infiltrationLiver neutrophil infiltrationTNFα/NF-κB signalingNF-κB signalingHuman liver explantsElevated chemokine expressionSinusoidal endothelial cellsCXCL expressionChemokine productionCXCL chemokinesCytokine pathwaysCytokines TNFαInflammatory signalingMurine modelLiver explantsTherapeutic potentialPharmacologic inhibitionExtraterminal (BET) proteinsBET inhibitionHuman liverEndothelial cellsAH treatment
2020
IRE1A Stimulates Hepatocyte-Derived Extracellular Vesicles That Promote Inflammation in Mice With Steatohepatitis
Dasgupta D, Nakao Y, Mauer A, Thompson J, Sehrawat T, Liao C, Krishnan A, Lucien F, Guo Q, Liu M, Xue F, Fukushima M, Katsumi T, Bansal A, Pandey M, Maiers J, DeGrado T, Ibrahim S, Revzin A, Pavelko K, Barry M, Kaufman R, Malhi H. IRE1A Stimulates Hepatocyte-Derived Extracellular Vesicles That Promote Inflammation in Mice With Steatohepatitis. Gastroenterology 2020, 159: 1487-1503.e17. PMID: 32574624, PMCID: PMC7666601, DOI: 10.1053/j.gastro.2020.06.031.Peer-Reviewed Original ResearchConceptsX-box binding protein 1Release of EVsHepatocyte-derived extracellular vesiclesSerine palmitoyltransferase genesExtracellular vesiclesSerine palmitoyltransferaseChromatin immunoprecipitationCeramide biosynthesisInflammatory Extracellular VesiclesMonocyte-derived macrophagesUnfolded protein responseNonalcoholic steatohepatitisDiet-induced steatohepatitisGene expression analysisPrimary hepatocytesNumber of EVsBinding protein 1Cultured primary hepatocytesNanoparticle-tracking analysisNanoscale flow cytometryIRE1ALiver tissueRate-limiting enzymeProtein responseExpression analysis