Impact of vitamin E on redox biomarkers in non-alcoholic fatty liver disease.

Impact of vitamin E on redox biomarkers in non-alcoholic fatty liver disease.
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维生素E对非酒精性脂肪肝氧化还原生物标志物的影响。

DOI:
10.1016/j.redox.2021.101937
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发表时间:
2021-06
期刊:
影响因子:
11.4
通讯作者:
Frank J
Frank J
中科院分区:
生物学1区
文献类型:
--
作者:
Podszun MC;Frank J

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非酒精性脂肪性肝病(NAFLD)是西方国家最常见的肝脏疾病,其特征是肝脏中脂质过度积聚。在这篇叙述性综述中,我们总结了来自人体试验的证据,即自由基诱导的大分子氧化,特别是脂质氧化,是NAFLD和非酒精性脂肪性肝炎(NASH)的特征。我们进一步综合了科学文献中描述维生素E(主要是α-生育酚)对NAFLD患者肝活检以及动物实验中氧化还原生物标志物浓度的影响的数据。总之,来自临床试验的现有证据表明,反应性物种介导的对大分子(主要是脂质)的损伤发生在NAFLD和NASH中,并且每天补充至少200 I.U.α-生育酚可减轻NAFLD患者肝脏的氧化应激。我们提出α-生育酚作为一种有用的模型物质,以识别和验证合适的氧化还原生物标志物,这些生物标志物可用于未来NAFLD新疗法的临床试验。
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 α-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. α-tocopherol may alleviate oxidative stress in the liver of NAFLD patients. We propose α-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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