SIRT2-Mediated Deacetylation and Deubiquitination of C/EBPβ Prevents Ethanol-Induced Liver Injury

Liver-specific Sirutin 2 (SIRT2) deficiency sensitized mice to alcoholic liver disease, whereas transgenic SIRT2 overexpression in hepatocytes significantly prevented ethanol-induced liver injury via normalization of hepatic steatosis, lipid peroxidation, and hepatocyte apoptosis.
[Cell Discovery]
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Ferroptosis in Liver Disease: New Insights into Disease Mechanisms

The authors review recent progress of ferroptosis studies delineating molecular mechanisms underlying the pathophysiology of several common liver diseases including ischemia/reperfusion-related injury, nonalcoholic fatty liver disease, alcoholic liver disease, hemochromatosis, drug-induced liver injury, and hepatocellular carcinoma.
[Cell Death Discovery]
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Induction of Sestrin2 by Pterostilbene Suppresses Ethanol-Triggered Hepatocyte Senescence by Degrading CCN1 via p62-Dependent Selective Autophagy

Pterostilbene is a natural compound with hepatoprotective potential; however, its implication for alcoholic liver disease was not understood. Scientists investigated the therapeutic effect of pterostilbene on alcoholic liver disease and elucidate the potential mechanism.
[Cell Biology and Toxicology]
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Alternative Activation of Macrophages by Prostacyclin Synthase Ameliorates Alcohol Induced Liver Injury

Investigators demonstrated that PTGIS was downregulated in alchoholic liver disease and forced PTGIS expression in vivo using recombinant adeno-associated viral vector-packed prostacyclin synthase overexpression plasmid, which alleviated the inflammatory response and suppressed the macrophage M1 phenotype in mice.
[Laboratory Investigation]
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Immunological Mechanisms and Therapeutic Targets of Fatty Liver Diseases

Scientists review the roles of multiple immunological mechanisms and therapeutic targets related to the inflammation associated with fatty liver diseases and the differences in the progression of alcoholic liver disease and nonalcoholic fatty liver disease. Multiple cell types in the liver, including macrophages, neutrophils, other immune cell types and hepatocytes, are involved in fatty liver disease inflammation.
[Cellular & Molecular Immunology]
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Neutrophils in Liver Diseases: Pathogenesis and Therapeutic Targets

Currently, neutrophils, with their autocrine, paracrine, and immune modulation functions, have been shown to be involved in liver diseases, including viral hepatitis, nonalcoholic steatohepatitis, alcoholic liver disease, liver fibrosis, cirrhosis, liver failure, and liver cancer. Accordingly, this review summarizes the role of neutrophils in liver diseases.
[Cellular & Molecular Immunology]
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