Journal
ASIAN PACIFIC JOURNAL OF CANCER PREVENTION
Volume 14, Issue 6, Pages 3449-3453Publisher
ASIAN PACIFIC ORGANIZATION CANCER PREVENTION
DOI: 10.7314/APJCP.2013.14.6.3449
Keywords
Curcumin; silibinin; breast cancer; telomerase
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Funding
- Tuberculosis and Lung Research Center
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Background: Telomerase has been considered as an attractive molecular target for breast cancer therapy. The main objective of this work is to assess the inhibitory effects of silibinin and curcumin, two herbal substances, on telomerase gene expression in breast cancer cells. Materials and Methods: For determination of cell viability tetrazolium-based assays were conducted after 24, 48, and 72 h exposure times and expression of human telomerase reverse transcriptase gene was measured with real-time PCR. Results: Each compound exerted cytotoxic effects on T47D cells and inhibited telomerase gene expression, both in a time-and dose-dependent manner. The mixture of curcumin and silibinin showed relatively more inhibitory effect on growth of T47D cells and hTERT gene expression as compared with either agent alone. Conclusions: These findings suggest that cell viability along with hTERT gene expression in breast cancer cells could be reduced by curcumin and silibinin.
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