Journal article
Effects of dehydroepiandrosterone on proliferation, migration, and death of breast cancer cells
European journal of pharmacology, Vol.660(2-3), pp.268-274
06/25/2011
DOI: 10.1016/j.ejphar.2011.03.040
PMID: 21497598
Abstract
Cancer invasion and metastasis are the leading causes of mortality in patients with breast cancer. Dehydroepiandrosterone (DHEA) has a protective role against cancer, however, the mechanism by which DHEA has this effect remains poorly understood. The present study was aimed at investigating the actions of DHEA on the proliferation, cell cycle, death and migration of breast cancer cell lines. We used MCF-7 cells (estrogen receptors positive) and MDA-MB-231 and Hs578T cells (estrogen receptors negative) for these studies. Cell proliferation was evaluated by crystal violet staining, cell cycle by flow cytometry, and cell death by the carboxyfluorescein FLICA analysis of caspase activation. Migration was evaluated by transwell cell migration and wound assay. We also determined the expression of ECM-1 protein by western blotting and RT-PCR in real time. DHEA inhibited the proliferation of all breast cancer cell lines. This was associated with an arrest in the G1 phase of the cell cycle and death in MCF-7 cells. There was no alteration in any of the cell cycle phases or death in DHEA treated MDA-MB-231 or Hs578T cells. DHEA also suppressed the migration of all breast cancer cell lines, independently of the presence of estrogen receptors and decreased the expression of ECM-1 protein in Hs578T cells. These results suggest that the mechanism of DHEA actions against breast cancer involves the inhibition of cell proliferation and the suppression of migration, indicating that DHEA could be useful in the treatment of breast cancer.
Details
- Title: Subtitle
- Effects of dehydroepiandrosterone on proliferation, migration, and death of breast cancer cells
- Creators
- Rebeca López-Marure - Instituto Nacional de CardiologíaPiedad Gomez Contreras - Roy J. and Lucille A. Carver College of MedicineJoseph S. Dillon - United States Department of Veterans Affairs
- Resource Type
- Journal article
- Publication Details
- European journal of pharmacology, Vol.660(2-3), pp.268-274
- Publisher
- Elsevier B.V
- DOI
- 10.1016/j.ejphar.2011.03.040
- PMID
- 21497598
- ISSN
- 0014-2999
- eISSN
- 1879-0712
- Language
- English
- Date published
- 06/25/2011
- Academic Unit
- Fraternal Order of Eagles Diabetes Research Center; Endocrinology and Metabolism; Internal Medicine
- Record Identifier
- 9984359920402771
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