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Article Publish Status: FREE
Abstract Title:

Huaier aqueous extract suppresses human breast cancer cell proliferation through inhibition of estrogen receptorα signaling.

Abstract Source:

Int J Oncol. 2013 Jul ;43(1):321-8. Epub 2013 May 20. PMID: 23686317

Abstract Author(s):

Xiaolong Wang, Ning Zhang, Qiang Huo, Mingjuan Sun, Shangge Lv, Qifeng Yang

Article Affiliation:

Xiaolong Wang

Abstract:

Estrogen receptorα (ERα) has been reported to play a critical role in promoting the growth of breast tumor cells. In the present study, we explored the effect of Huaier extract on estrogen receptor α signaling in breast cancer cell lines. Our data demonstrated that Huaier extract effectively inhibited the proliferation of the MCF-7, T47D and ZR-75-1 human breast cancer cell lines. For the mechanism analysis, we demonstrated that Huaier extract significantly reduced the mRNA and protein levels of ERα in all three ERα-positive cell lines. The downregulation of ERα protein levels was correlated with activation of the proteasomes. We demonstrated that Huaier extract markedly decreased the expression of both ERα and its downstream genes, inhibited the estrogen-stimulated proliferation and reversed the estrogen-induced activation of the nuclear factor κB (NFκB) pathway. Our study provides evidence that Huaier extract is a novel estrogen receptor modulator and is a promising drug for the prevention and treatment of ERα-positive human breast cancers.

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Sayer Ji
Founder of GreenMedInfo.com

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