Phytoestrogens and anthropogenic estrogenic compounds

Phytoestrogens and anthropogenic estrogenic compounds
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植物雌激素和人为雌激素化合物

DOI:
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发表时间:
1998
期刊:
影响因子:
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通讯作者:
K. Gaido
K. Gaido
中科院分区:
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文献类型:
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作者:
S. Safe;K. Gaido

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人类饮食中含有多种内源性化学物质,这些化学物质表现出直接或间接的激素活性。这些包括结合雌激素、雄激素、芳基烃、视黄酸和视黄酸X受体的天然化合物。此外,一些研究还发现了大量具有雌激素活性的化学污染物(异雌激素),人类也在饮食中接触到这些化合物。其中一些化学品包括多种酚类物质,如双酚 A、邻苯二甲酸盐、多氯联苯和多种有机氯农药。大多数内源性膳食雌激素(包括类黄酮和其他植物雌激素)和异种雌激素都是弱雌激素受体激动剂,并且根据大量摄入量,人类对植物雌激素的暴露量远高于异种雌激素。饮食中暴露于雌激素化合物的相对重要性尚不清楚,其影响取决于许多因素,包括代谢和药代动力学、化合物效力、血清浓度、与血清蛋白的相对结合、关键时期的暴露水平以及与其他内分泌反应途径的相互作用或串扰。
The human diet contains a diverse spectrum of endogenous chemicals that exhibit either direct or indirect hormonal activity. These include natural compounds that bind the estrogen, androgen, aryl hydrocarbon, retinoic acid, and retinoic X receptors. In addition, several studies have identified a large number of chemical contaminants that exhibit estrogenic activity (xenoestrogens), and humans are also exposed to these compounds in the diet. Some of these chemicals include diverse phenolics such as bisphenol A, phthalates, polychlorinated biphenyls, and diverse organochlorine pesticides. Most of the endogenous dietary estrogens (including flavonoids and other phytoestrogens) and xenoestrogens are weak estrogen receptor agonists, and based on mass intake, human exposure to phytoestrogens is much higher than to xenoestrogens. The relative importance of dietary exposure to estrogenic compounds is unknown, and their effects will depend on a number of factors, including metabolism and pharmacokinetics, compound potency, serum concentrations, relative binding to serum proteins, levels of exposure during critical periods, and interactions or cross‐talk with other endocrine response pathways.
植物雌激素:流行病学和在癌症保护中的可能作用。
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影响因子: 10.4
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