Vitamin E isoforms as modulators of lung inflammation.

Vitamin E isoforms as modulators of lung inflammation.
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DOI:
10.3390/nu5114347
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发表时间:
2013-10-31
期刊:
影响因子:
5.9
通讯作者:
Cook-Mills JM
Cook-Mills JM
中科院分区:
医学2区
文献类型:
--
作者:
Abdala-Valencia H;Berdnikovs S;Cook-Mills JM

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哮喘和过敏性疾病是由遗传和环境因素共同引起的复杂疾病。临床研究表明,包括维生素E在内的一些饮食因素对哮喘具有保护作用。然而,关于维生素E在过敏中的研究通常会导致似乎相互矛盾的结果。最近的研究表明,补充纯化的天然维生素E异构体α-生育酚可抑制变态反应性炎症,但在生理组织浓度下给予异构体γ-生育酚会增加变态反应性炎症。在这篇综述中,我们讨论了α-生育酚和γ-生育酚在临床试验和动物实验中对变应性肺部炎症的相反调节作用。更好地了解维生素E异构体对炎症的不同调控为设计有效调节肺部疾病炎症途径的临床研究和饮食提供了基础。
Asthma and allergic diseases are complex conditions caused by a combination of genetic and environmental factors. Clinical studies suggest a number of protective dietary factors for asthma, including vitamin E. However, studies of vitamin E in allergy commonly result in seemingly conflicting outcomes. Recent work indicates that allergic inflammation is inhibited by supplementation with the purified natural vitamin E isoform α-tocopherol but elevated by the isoform γ-tocopherol when administered at physiological tissue concentrations. In this review, we discuss opposing regulatory effects of α-tocopherol and γ-tocopherol on allergic lung inflammation in clinical trials and in animal studies. A better understanding of the differential regulation of inflammation by isoforms of vitamin E provides a basis towards the design of clinical studies and diets that would effectively modulate inflammatory pathways in lung disease.
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