Senescence and cell death in chronic liver injury: roles and mechanisms underlying hepatocarcinogenesis

Oncotarget
Mengchao XiaoZhiying He

Abstract

Chronic liver injury (CLI) is a complex pathological process typically characterized by progressive destruction and regeneration of liver parenchymal cells due to diverse risk factors such as alcohol abuse, drug toxicity, viral infection, and genetic metabolic disorders. When the damage to hepatocytes is mild, the liver can regenerate itself and restore to the normal state; when the damage is irreparable, hepatocytes would undergo senescence or various forms of death including apoptosis, necrosis and necroptosis. These pathological changes not only promote the progression of the existing hepatopathies via various underlying mechanisms but are closely associated with hepatocarcinogenesis. In this review, we discuss the pathological changes that hepatocytes undergo during CLI, and their roles and mechanisms in the progression of hepatopathies and hepatocarcinogenesis. We also give a brief introduction about some animal models currently used for the research of CLI and progress in the research of CLI.

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Citations

Sep 29, 2019·World Journal of Gastroenterology : WJG·Nazmul HudaXiao-Ming Yin
Jul 6, 2020·Mechanisms of Ageing and Development·Avadh KumarDan Ehninger
Mar 23, 2021·Evidence-based Complementary and Alternative Medicine : ECAM·Chongyang MaLianyin Gao

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