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KMID : 1188320200140010020
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Gut and Liver
2020 Volume.14 No. 1 p.20 ~ p.29
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Cell Death and Liver Disease
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Aizawa Satoka
Brar Gurmehr
Tsukamoto Hidekazu
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Abstract
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Cell death is now reclassified into several types based on the mechanisms and morphologic phenotype. Understanding of such classifications offers insights into the pathogenesis of liver disease, as well as diagnostic or therapeutic implications. Apoptosis is recognized relatively easily due to its unique morphology, but lytic cell death may occur in the form of accidental necrosis, mitochondria permeability transition-driven necrosis, necroptosis, pyroptosis, ferroptosis, and parthanatos. The cell may be engulfed by neighboring cells due to a loss of integrin signaling or cancer cell competition by entosis, a type of cell death. The classification also includes mechanistically termed cell death such as autophagy-dependent cell death and lysosome-dependent cell death. These different types of cell death may occur uniquely in certain liver diseases but may coexist in the evolution of the disease. They occur in parenchymal and non-parenchymal liver cells, as well as inflammatory cells, causing distinct pathologic consequences. This review briefly covers the recently revised classifications of cell death and discusses their relevance to liver diseases of different etiologies.
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KEYWORD
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Pyroptosis, Necroptosis, Apoptosis, Ferroptosis, Mitochondria permeability transition-driven necrosis
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