期刊
CURRENT MEDICINAL CHEMISTRY
卷 17, 期 17, 页码 1756-1768出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/092986710791111161
关键词
Catechins; DNA methylation; EGCG; epigenetics; flavonoids; genistein; histone; cancer
资金
- American Diabetes Association
- NIH [1R21 AT004694]
Epigenetic modifications result in heritable changes in gene expression without changes to the DNA sequence. The most common forms of epigenetic regulation of gene expression are DNA methylation and histone acetylation or methylation, all of which are associated with chromatin remodeling. Results from recent studies suggest that epigenetic changes are some of the primary contributory factors of tumor-suppressor gene silencing in cancer cells. Compounds that target epigenetic regulators in the body may represent an attractive target for chemoprevention. Flavonoids are polyphenolic phytochemicals that exert a multitude of beneficial effects on human health. In recent years, isoflavones, flavonols and catechins have received much attention due to their ability to influence activity of chromatin-modifying enzymes. Epigallocatechin-3-gallate, for example, was shown to inhibit activity of histone acetyltransferase and DNA methyltransferase. In this review, we will highlight the structure-function relationship between flavonoids and epigenetic modifications, with an emphasis on the isoflavones, flavonols and catechins, and their potential as anti-cancer agents in this regard.
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