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Differential effects of isoflavones and lignans on invasiveness of MDA-MB-231 breast cancer cells in vitro

, : Differential effects of isoflavones and lignans on invasiveness of MDA-MB-231 breast cancer cells in vitro. Cancer Letters 208(1): 35-41

Metastasis is a major cause of morbidity and mortality in breast cancer with tumour cell invasion playing a crucial role in the metastatic process. The effects of a panel of phytoestrogens, including isoflavones and lignans on the invasion of a breast cancer cell-line (MDA-MB-231) through Matrigel were assessed. Genistein, glycitein, daidzein, equol, O-Desmethylangolensin (O-Dma) and coumestrol exerted a potent inhibitory effect on cell invasion (e.g. inhibition of 41.7+or-15% (P=0.007); coumestrol (10 micro M)). In contrast the lignans exerted minimal effects on invasion. Inhibition of invasion induced by the phytoestrogens occurred without affecting cell viability, highlighting the possible chemoprotective effects of these compounds.


PMID: 15105043

DOI: 10.1016/j.canlet.2003.11.012

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