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Abstract Title:

Antiandrogenic activity of the phytoestrogens naringenin, 6-(1,1-dimethylallyl)naringenin and 8-prenylnaringenin.

Abstract Source:

Planta Med. 2003 Sep;69(9):856-8. PMID: 14598215

Abstract Author(s):

Oliver Zierau, Colm Morrissey, R William G Watson, Pia Schwab, Susanne Kolba, Peter Metz, Günter Vollmer

Abstract:

Naturally occurring naringenin derivatives, known for their estrogenic activity, were tested in two independent (anti-)androgen screening assays. Using a yeast-based androgen receptor assay relatively strong antiandrogen activities were demonstrated for 6-(1,1-dimethylallyl)naringenin and 8-prenylnaringenin, while the parent compound naringenin did not show recognizable antiandrogen activity. In an androgen receptor activity assay based on the analysis of prostate specific antigen (PSA) concentrations in the supernatants of treated PC3(AR)2 cells the antiandrogenic activity of 6-(1,1-dimethylallyl)naringenin was detected at concentrations of 10 (-5) M. 8-Prenylnaringenin or naringenin have no detectable antiandrogenic effect. In summary, for the first time we provide evidence of the antiandrogenic activity of 6-DMA-N in two independent model systems. In conclusion, we demonstrated the ability of prenylated naringenins not only to act via the estrogen receptor but also through the androgen receptor.

Study Type : In Vitro Study

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Sayer Ji
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