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  • A Mechanistic Review of Cel...
    Wang, Shaogui; Pacher, Pal; De Lisle, Robert C.; Huang, Heqing; Ding, Wen-Xing

    Alcoholism, clinical and experimental research, June 2016, Letnik: 40, Številka: 6
    Journal Article

    Alcoholic liver disease (ALD) is a major health problem in the United States and worldwide without successful treatments. Chronic alcohol consumption can lead to ALD, which is characterized by steatosis, inflammation, fibrosis, cirrhosis, and even liver cancer. Recent studies suggest that alcohol induces both cell death and adaptive cell survival pathways in the liver, and the balance of cell death and cell survival ultimately decides the pathogenesis of ALD. This review summarizes the recent progress on the role and mechanisms of apoptosis, necroptosis, and autophagy in the pathogenesis of ALD. Understanding the complex regulation of apoptosis, necrosis, and autophagy may help to develop novel therapeutic strategies by targeting all 3 pathways simultaneously. Cell death and cell survival are closely associated with alcoholic liver disease. Ethanol metabolism leads to increased oxidative stress resulting in mitochondrial damage and apoptosis in hepatocytes. Chronic alcohol consumption increases gut permeability and elevated systemic levels of gut‐derived endotoxins resulting in increased production of TNF‐α from activated Kupffer cells. Depending on the cIAP levels and caspase‐8 activation in hepatocytes, TNF‐α either induces apoptosis or necroptosis by activating Bid‐mediated mitochondrial apoptotic pathway or ripoptosome or necrosome.