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 analysisGIPC-Regulated IGFBP-3 Promotes HSC Migration In Vitro and Portal Hypertension In Vivo Through a β1-Integrin Pathway
Yaqoob U, Luo F, Greuter T, Sakrikar N, Sehrawat T, Lu J, Hu X, Gao J, Kostallari E, Chen J, Arab J, Martin-Mateos R, Cao S, Shah V. GIPC-Regulated IGFBP-3 Promotes HSC Migration In Vitro and Portal Hypertension In Vivo Through a β1-Integrin Pathway. Cellular And Molecular Gastroenterology And Hepatology 2020, 10: 545-559. PMID: 32447051, PMCID: PMC7399184, DOI: 10.1016/j.jcmgh.2020.05.005.Peer-Reviewed Original ResearchMeSH KeywordsAcetylationAdaptor Proteins, Signal TransducingAnimalsBiomarkersCell MovementCells, CulturedDisease Models, AnimalEpigenesis, GeneticGene Knockdown TechniquesHepatic Stellate CellsHistonesHumansHypertension, PortalInsulin-Like Growth Factor Binding Protein 3Integrin beta1Liver CirrhosisMiceMice, KnockoutPhosphorylationPrimary Cell CultureSignal TransductionTransforming Growth Factor betaUp-RegulationConceptsHepatic stellate cellsPortal hypertensionIGFBP-3Quantitative polymerase chain reactionWestern blot analysisLiver fibrosisPolymerase chain reactionHSC migrationChromatin immunoprecipitationChronic liver injury modelInsulin-like growth factorActivation targetGrowth factorQuiescent hepatic stellate cellsIGFBP-3 increaseTransport proteinsChronic liver diseaseChain reactionLiver injury modelIntegrin-dependent phosphorylationHistone 3 lysine 27 acetylationGene regulation changesHSC activation markersEnzyme-linked immunosorbent assayEnzyme-linked immunosorbent