期刊
REDOX BIOLOGY
卷 42, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.redox.2021.101937
关键词
Hydroxyoctadecadienoic acid (HODE); Lipid peroxidation biomarkers; Non-alcoholic fatty liver disease (NAFLD); Tocopherols; Vitamin E; 4-Hydroxynonenal
This review discusses the characteristics of NAFLD and NASH, as well as the impact of vitamin E on liver oxidative stress in NAFLD patients. It suggests that ?-tocopherol can be used as a marker for future clinical trials of new therapeutics for NAFLD.
Non-alcoholic fatty liver disease (NAFLD) is the most common liver disorder in Western nations and characterized by excessive accumulation of lipids in the liver. In this narrative review, we summarize the evidence from human trials that free radical-induced oxidation of macromolecules, in particular of lipids, is a characteristic feature of NAFLD and non-alcoholic steatohepatitis (NASH). We further synthesize the data in the scientific literature describing the impact of vitamin E (mainly ?-tocopherol) on concentrations of redox biomarkers in liver biopsies from patients with NAFLD as well as animal experiments. In summary, the available evidence from clinical trials suggests that reactive species-mediated damage to macromolecules, predominantly lipids, occurs in NAFLD and NASH and that daily supplementation with at least 200 I.U. ?-tocopherol may alleviate oxidative stress in the liver of NAFLD patients. We propose ?-tocopherol as a useful model substance to identify and validate suitable redox biomarkers that may be employed in future clinical trials of new therapeutics for NAFLD.
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