journal article Nov 19, 2015

The Phytoestrogen Genistein Affects Breast Cancer Cells Treatment Depending on the ERα/ERβ Ratio

Journal of Cellular Biochemistry Vol. 117 No. 1 pp. 218-229 · Wiley
View at Publisher Save 10.1002/jcb.25268
Abstract
ABSTRACTGenistein (GEN) is a phytoestrogen found in soybeans. GEN exerts its functions through its interaction with the estrogen receptors (ER), ERα and ERβ, and we previously reported that the ERα/ERβ ratio is an important factor to consider in GEN‐treated breast cancer cells. The aim of this study was to investigate the effects of GEN in breast cancer cells with different ERα/ERβ ratio: MCF‐7 (high ratio), T47D (low ratio), and MCF‐7 overexpressing ERβ (MCF7 + ERβ) treated with cisplatin (CDDP), paclitaxel (PTX) or tamoxifen (TAM). Cell viability, ROS production, autophagy, apoptosis, antioxidant enzymes protein levels, and cell cycle were analyzed. GEN treatment provoked an increase in cell viability in MCF‐7 cells and in the antioxidant enzymes protein levels in combination with the cytotoxic agents, decreasing ROS production (CDDP + GEN and TAM+GEN) and autophagy (TAM + GEN) or apoptosis (CDDP + GEN and TAM + GEN). Moreover GEN treatment enhanced the cell cycle S phase entry in CDDP+GEN‐ and TAM + GEN‐treated MCF‐7 cells and, in the case of CDDP + GEN, increased the proportion of cells in the G2/M phase and decreased it in the subG0/G1 phase. Otherwise, in the T47D and MCF7 + ERβ cells the combination of GEN with cytotoxic treatments did not cause significant changes in these parameters, even TAM + GEN‐treated T47D cells showed less cell viability due to an increment in the autophagy. In conclusion, GEN consumption may be counterproductive in those patients receiving anticancer treatment with a high ERα/ERβ ratio diagnosed breast cancer and it could be harmless or even beneficial in those patients with a lower ERα/ERβ ratio breast cancer cells. J. Cell. Biochem. 117: 218–229, 2016. © 2015 Wiley Periodicals, Inc.
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Metrics
57
Citations
44
References
Details
Published
Nov 19, 2015
Vol/Issue
117(1)
Pages
218-229
License
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Authors
Funding
FEDER Award: AAEE22/2014
Cite This Article
Daniel Gabriel Pons, Mercedes Nadal‐Serrano, Margalida Torrens‐Mas, et al. (2015). The Phytoestrogen Genistein Affects Breast Cancer Cells Treatment Depending on the ERα/ERβ Ratio. Journal of Cellular Biochemistry, 117(1), 218-229. https://doi.org/10.1002/jcb.25268
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