期刊
CANCER LETTERS
卷 317, 期 2, 页码 192-198出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.canlet.2011.11.025
关键词
Aryl hydrocarbon receptor; Cancer stem cells; Breast cancer
类别
资金
- Japan Society for the Promotion of Science
- Open Research Center Project for Private Universities
The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor. Recent studies have reported the anti-tumor effects of the AhR in breast cancer. In this study, we investigated the anti-tumor effect of AhR activation based on the cancer stem cell hypothesis. We show that AhR activation suppressed mammosphere formation of MCF-7 cells and decreased the proportion of cells with high ALDH-1 (aldehyde dehydrogenase 1) activity. In addition, we also demonstrate that AhR activation regulates self-renewal signaling by down-regulating Wnt/beta-catenin and Notch. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
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