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Estrogenic

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Androgen Receptor Expression In The Rat Prostate Is Down-Regulated By Dietary Phytoestrogens, Edwin D. Lephart, Trent D. Lund, Daniel J. Munson, Herman Aldercreutz, Robert J. Handa Jan 2004

Androgen Receptor Expression In The Rat Prostate Is Down-Regulated By Dietary Phytoestrogens, Edwin D. Lephart, Trent D. Lund, Daniel J. Munson, Herman Aldercreutz, Robert J. Handa

Faculty Publications

Background- It is well established that the growth of the prostate gland is a hormone-dependent phenomenon involving both androgenic and estrogenic control. Proliferation of prostate cells is, at least in part, under control of estrogen receptor beta (ER-beta). Phytoestrogens bind ER-beta with high affinity and therefore may have antiproliferative effects in the prostate. Methods- The prostates of male Long-Evans rats fed a diet high in phytoestrogens (Phyto-600) or very low levels of phytoestrogens (Phyto-free) were analyzed to determine the impact of dietary phytoestrogens on prostate weight and androgen receptor (AR) expression in the prostate. Results- Dietary phytoestrogens significantly decreased post-pubertal …