Abstract Title:

Selenium enrichment of broccoli sprout extract increases chemosensitivity and apoptosis of LNCaP prostate cancer cells.

Abstract Source:

BMC Cancer. 2009;9:414. Epub 2009 Nov 30. PMID: 19943972

Abstract Author(s):

Rizky Abdulah, Ahmad Faried, Kenji Kobayashi, Chiho Yamazaki, Eka W Suradji, Kazuto Ito, Kazuhiro Suzuki, Masami Murakami, Hiroyuki Kuwano, Hiroshi Koyama

Article Affiliation:

Department of Public Health, Gunma University Graduate School of Medicine, Japan. [email protected]

Abstract:

BACKGROUND: Broccoli is a Brassica vegetable that is believed to possess chemopreventive properties. Selenium also shows promise as an anticancer agent. Thus, selenium enrichment of broccoli has the potential to enhance the anticancer properties of broccoli sprouts. METHOD: Selenium-enriched broccoli sprouts were prepared using a sodium selenite solution. Their anticancer properties were evaluated in human prostate cancer cell lines and compared with those of a control broccoli sprout extract. RESULTS: Selenium-enriched broccoli sprouts were superior to normal broccoli sprouts in inhibiting cell proliferation, decreasing prostate-specific antigen secretion, and inducing apoptosis of prostate cancer cells. Furthermore, selenium-enriched broccoli sprouts but, not normal broccoli sprouts, induced a downregulation of the survival Akt/mTOR pathway. CONCLUSION: Our results suggest that selenium-enriched broccoli sprouts could potentially be used as an alternative selenium source for prostate cancer prevention and therapy.

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