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Pomegranate Polyphenols Show Promise in Treating Androgen-Independent Prostate Cancer

Strategic Insights

— 1 min read

Research conducted in the United States has uncovered new data on the potential therapeutic effects of pomegranate polyphenols on androgen-independent prostate cancer. The study, published in the Journal of Nutritional Biochemistry, demonstrated that pomegranate polyphenols can down-regulate the expression of androgen-synthesizing genes in human prostate cancer cells that overexpress the androgen receptor. This finding has significant implications for the treatment of prostate cancer, particularly in its advanced stages where androgen-independent growth occurs.

Key Takeaways:

  • Pomegranate polyphenols have been shown to inhibit the expression of androgen-synthesizing genes in human prostate cancer cells, including LNCaP, LNCaP-AR, and DU-145 cell lines.
  • The study found that pomegranate polyphenols most consistently inhibited gene expression and androgen receptor (AR) in the LNCaP-AR cell line, with a statistically significant twofold suppression.
  • Inhibition of androgen-synthesizing enzymes and AR by pomegranate polyphenols may be of particular importance in androgen-independent prostate cancer cells and human cancers where AR is up-regulated.
  • The study's findings support the potential therapeutic use of pomegranate polyphenols in treating androgen-independent prostate cancer.
  • M.Y. Hong and colleagues, researchers at the University of California, Center for Human Nutrition, conducted the study and published their findings in the Journal of Nutritional Biochemistry.

Statistics:

  • The study used three human prostate cancer cell lines: LNCaP, LNCaP-AR, and DU-145.
  • Pomegranate polyphenols were found to inhibit the expression of androgen-synthesizing genes, including HSD3B2, AKR1C3, and SRD5A1, in human prostate cancer cells.
  • A twofold suppression of gene expression was considered statistically significant.
  • The study's findings suggest that pomegranate polyphenols may be a useful therapeutic agent in treating androgen-independent prostate cancer.

Sources:

  • Hong, M.Y., et al. (2008). Pomegranate polyphenols down-regulate expression of androgen-synthesizing genes in human prostate cancer cells overexpressing the androgen receptor. Journal of Nutritional Biochemistry, 19(12), 848-855.
  • University of California, Center for Human Nutrition
  • David Geffen School of Medicine, Los Angeles
  • Cancer Weekly editors
  • NewsRx.com
  • Elsevier Science Inc.

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