Journal
JOURNAL OF CLINICAL MEDICINE
Volume 10, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/jcm10143011
Keywords
oxidative stress; alcohol-related liver disease; micro-RNA; sirtuin gene family
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Oxidative stress plays a crucial role in liver disorders by affecting DNA, proteins, and lipids, altering their functions. Free radicals also interfere with micro-RNAs, impairing hepatocyte metabolism, leading to irreversible changes in liver parenchyma.
Oxidative stress is known to be an inseparable factor involved in the presentation of liver disorders. Free radicals interfere with DNA, proteins, and lipids, which are crucial in liver metabolism, changing their expression and biological functions. Additionally, oxidative stress modifies the function of micro-RNAs, impairing the metabolism of hepatocytes. Free radicals have also been proven to influence the function of certain transcriptional factors and to alter the cell cycle. The pathological appearance of alcohol-related liver disease (ALD) constitutes an ideal example of harmful effects due to the redox state. Finally, ethanol-induced toxicity and overproduction of free radicals provoke irreversible changes within liver parenchyma. Understanding the underlying mechanisms associated with the redox state in the course of ALD creates new possibilities of treatment for patients. The future of hepatology may become directly dependent on the effective action against reactive oxygen species. This review summarizes current data on the redox state in the natural history of ALD, highlighting the newest reports on this topic.
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