Journal
INTERNATIONAL JOURNAL OF FOOD SCIENCES AND NUTRITION
Volume 70, Issue 8, Pages 941-949Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09637486.2019.1597025
Keywords
Breast cancer; genistein; ER?; ER? ratio; inflammation; sirtuin
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Breast cancer is the most common malignancy in women of developed countries. The aim of this study was to investigate the effects of the phytoestrogen genistein on the inflammatory profile in three breast cancer cell lines with different oestrogen receptors alpha (ER?) and beta (ER?) ratio. MCF-7 (high ER?/ER? ratio), T47D (low ER?/ER? ratio), and MDA-MB-231 (ER?-negative) cells were treated with 1??M of genistein for 48?h (cell proliferation and ROS production) or 4?h (mRNA expression of 18S, ER?, ER?, pS2, Sirtuin1, IL-1?, NF-?B, COX-2, TGF?1, PPAR?). Genistein caused a significant decrease in cell viability and an increase in ROS production in MCF-7, and the opposite happens in T47D cells. In addition, genistein rise pro-inflammatory and reduced anti-inflammatory genes expression in MCF-7, provoking the opposite effects in T47D cells. In conclusion, the phytoestrogen genistein could modulate the expression of inflammatory-related genes through its interaction with both ERs, and its effects depends on the ER?/ER? ratio.
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