Genetic Factors Associated with Response to Vitamin E Treatment in NAFLD.

Genetic Factors Associated with Response to Vitamin E Treatment in NAFLD.
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DOI:
10.3390/antiox11071284
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发表时间:
2022-06-28
期刊:
Antioxidants (Basel, Switzerland)
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非酒精性脂肪性肝病(NAFLD)正成为世界范围内的主要肝病,临床证明维生素E可以改善部分患者的组织学参数。在这篇叙述性综述中,我们调查了遗传因素是否有助于解释为什么一些患者在大剂量α-生育酚(αT)治疗后表现出组织学上的改善,而另一些患者则没有。综上所述,我们确定了两个与治疗反应相关的因素,包括结合珠蛋白和脂肪酸去饱和酶1/2(FADS1/FADS2)的遗传变异。其他遗传变异,如生育酚转运蛋白、生育酚相关蛋白、跨膜6超家族2、分化簇36和参与脂蛋白代谢的蛋白也可能起作用,但尚未在临床上进行研究。我们建议在更大的人群中进一步验证这些关联,然后将其用作临床工具,以确定将从维生素E补充中受益最大的患者亚群。
Non-alcoholic fatty liver disease (NAFLD) is becoming the predominant liver disease worldwide, and vitamin E has been clinically shown to improve histological parameters in a subset of patients. In this narrative review, we investigate whether genetic factors may help to explain why some patients show histological improvements upon high-dose alpha-tocopherol (αT) treatment while others do not. In summary, we identified two factors that are associated with treatment response, including genetic variations in haptoglobin as well as fatty acid desaturase 1/2 (FADS1/FADS2). Other genetic variants such as in alpha-tocopherol transfer protein (αTTP), tocopherol associated protein (TAP), transmembrane 6 superfamily 2 (TM6SF2), cluster of differentiation 36 (CD36), and proteins involved in lipoprotein metabolism may also play a role, but have not yet been investigated in a clinical context. We propose to further validate these associations in larger populations, to then use them as a clinical tool to identify the subset of patients that will benefit the most from vitamin E supplementation.
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