Vitamin E: a dark horse at the crossroad of cancer management.

Vitamin E: a dark horse at the crossroad of cancer management.
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维生素E:癌症管理十字路口的一匹黑马。

DOI:
10.1016/j.bcp.2013.07.018
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发表时间:
2013-10-01
影响因子:
5.8
通讯作者:
Ghosh, Rita
Ghosh, Rita
中科院分区:
医学2区
文献类型:
--
作者:
Cardenas, Eduardo;Ghosh, Rita

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关于维生素E及其在人类健康中的作用的故事似乎仍然不完整。很明显,维生素E补充剂涉及许多变量,其中一些包括其从肠道的摄取、对α-生育酚的偏好、生育酚特异性蛋白质和脂质转运蛋白的转运以及不同维生素E亚型的差异代谢。人群遗传学的根本差异可能对膳食补充剂可能对人类健康产生的影响产生重大影响。在以前和将来的研究中评估维生素E预防或治疗用途的有效性时,关键是要考虑给药剂量、维生素E的形式和来源(例如是否来自合成或从天然来源纯化)。需要进一步的研究来确定所有维生素E异构体对细胞生长、致瘤性的影响,以阐明其作为现有化疗药物的佐剂的可能用途。α-生育酚,β-胡萝卜素(ATBC)癌症预防研究小组和硒和维生素E癌症预防试验(SELECT)研究沿着维生素E的众多研究应该有助于指导维生素E研究的下一章。
It appears that the story on vitamin E and its role in human health remains incomplete. It is apparent that vitamin E supplementation involves many variables, some of which include its uptake from the intestine, the preference for α-tocopherol, transport by tocopherol specific proteins and lipid transporters and the differential metabolism of different vitamin E isoforms. The fundamental differences within population genetics can have significant implications for the effect that dietary supplementation might have on human health. When evaluating the efficacy of vitamin E prophylactic or therapeutic use in previous and future studies, it is critical to consider dosage to be administered, form of vitamin E and source (such as whether from synthetic or purified from natural sources). Further studies are needed to determine the effects of all vitamin E isoforms on cell growth, tumorigenicity, to clarify its possible use as an adjuvant to existing chemotherapeutics. The Alpha-Tocopherol, Beta Carotene (ATBC) Cancer Prevention Study Group and Selenium and Vitamin E Cancer Prevention Trial (SELECT) studies along with the numerous studies of vitamin E should help guide the next chapter of vitamin E research.
DOI: 10.4161/cbt.4.12.2233
发表时间: 2005-12-01
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DOI: 10.1093/oxfordjournals.aje.a116264
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