Mechanisms of liver fibrosis in metabolic syndrome
Mehal W. Mechanisms of liver fibrosis in metabolic syndrome. EGastroenterology 2023, 1: e100015. PMID: 37946713, PMCID: PMC10634657, DOI: 10.1136/egastro-2023-100015.Peer-Reviewed Original ResearchNon-alcoholic steatohepatitisLiver fibrosisMetabolic syndromeHepatic stellate cellsHepatocellular injuryImmune systemHSC transdifferentiationGrowth factorChronic hepatocellular injuryInnate immune cellsMetabolite changesInnate immune systemAdaptive immune systemNASH fibrosisHepatocellular damageAntifibrotic strategiesImmune cellsProfibrotic roleT cellsFree fatty acidsStellate cellsViral infectionFibrosisSyndromeEndothelial cellsMitochondrial DNA and the STING pathway are required for hepatic stellate cell activation
Arumugam S, Li B, Boodapati S, Nathanson M, Sun B, Ouyang X, Mehal W. Mitochondrial DNA and the STING pathway are required for hepatic stellate cell activation. Hepatology 2023, 78: 1448-1461. PMID: 37013923, PMCID: PMC10804318, DOI: 10.1097/hep.0000000000000388.Peer-Reviewed Original ResearchConceptsVoltage-dependent anion channelBioenergetic capacityMitochondrial DNATranscriptional upregulationCyclic GMP-AMP synthaseGMP-AMP synthaseTranscriptional regulationBioenergetic organellesFunctional mitochondriaMitochondrial membraneExternal mitochondrial membraneAnabolic pathwaysMitochondrial massAnion channelInterferon genesHSC transdifferentiationSubsequent activationCGAS-STINGTransdifferentiationIRF3 pathwayPathwaySTING pathwayGenesMitochondriaQuiescent HSCs