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Enterolactone restricts the proliferation of the LNCaP human prostate cancer cell line in vitro

McCann, M.J., Gill, C.I.R., Linton, T., Berrar, D., McGlynn, H. and Rowland, I.R. (2008) Enterolactone restricts the proliferation of the LNCaP human prostate cancer cell line in vitro. Molecular Nutrition & Food Research, 52 (5). pp. 567-580. ISSN 1613-4125

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To link to this article DOI: 10.1002/mnfr.200700052

Abstract/Summary

Ecological data suggest a long-term diet high in plant material rich in biologically active compounds, such as the lignans, can significantly influence the development of prostate cancer over the lifetime of an individual. The capacity of a pure mammalian lignan, enterolactone (ENL), to influence the proliferation of the LNCaP human prostate cancer cell line was investigated as a function of cell density, metabolic activity, expression and secretion of prostate specific antigen (PSA), cell cycle profile, and the expression of genes involved in development and progression of prostate cancer. Treatment with a subcytotoxic concentration of ENL (60 mu M for 72 h) was found to reduce: cell density (57.5%, SD 7.23, p < 0.001), metabolic activity (55%, SD 0.03, p < 0.001), secretion of PSA (48.50% SD 4.74, p = 0.05) and induce apoptosis (8.33-fold SD 0.04, p = 0.001) compared to untreated cells. Cotreatment with 10 mu M etoposide was found to increase apoptosis by 50.17% (SD 0.02, p < 0.001). Additionally, several key genes (e.g. MCMs, survivin and CDKs) were beneficially regulated by ENL treatment (p < 0.05). The data suggest that the antiproliferative activity of ENL is a consequence of altered expression of cell cycle associated genes and provides novel molecular evidence for the antiproliferative properties of a pure lignan in prostate cancer.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Food and Nutritional Sciences
Interdisciplinary centres and themes > Institute for Cardiovascular and Metabolic Research (ICMR)
ID Code:13159
Uncontrolled Keywords:apoptosis, enterolactone, gene expression, LNCaP, proliferation , NESTED CASE-CONTROL, SURVIVIN EXPRESSION, SERUM ENTEROLACTONE, MAMMALIAN LIGNANS, DNA-REPLICATION, PHYTO-ESTROGENS, APOPTOSIS, RISK, GENE, ANTIGEN

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