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:: Volume 16, Issue 10 (Basic Science Issue - October 2014) ::
ZJRMS 2014, 16(10): 1-6 Back to browse issues page
Effects of Curcuma longa Extract on Telomerase Activity in Lung and Breast Cancer Cells
Javad Ranjbari , Abbas Alibakhshi , Roghayeh Arezumand , Mohammad Pourhassan-Moghaddam , Mohammad Rahmati , Nosratollah Zargham , Mohammad Mehdi Namvaran
Tuberculosis and Lung Research Center, Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran , zarghamin@yahoo.com
Abstract:   (5038 Views)
Background : The purpose of this study is to evaluate the effect of Curcuma longa extract on the telomerase gene expression in QU-DB lung cancer and T47D breast cancer cell lines.
Materials and Methods : The present study is an experimental research. Using 3 different phases n-hexane, dichloromethane and methanol, total extract of Curcuma longa in a serial dilution was prepared and three phases was analyzed for determining which phase has more curcuminoids. Then the extract cytotoxicity effect was tested on breast cancer cell line (T47D), and lung cancer cell line (QU-DB) by 24, 48 and 72 h MTT (Dimethyl thiazolyl diphenyl tetrazolium) assay. Then, the cells were treated with serial concentrations of the extract. Finally, total protein was extracted from the control and test groups, its quantity was determined and telomeric repeat amplification protocol (TRAP) assay was performed for measurement of possible inhibition of the telomerase activity.
Results : Cell viability and MTT-based cytotoxicity assay show that the total extract of Curcuma longa has cytotoxic effect with different IC50s in breast and lung cancer cell lines. Analysis of TRAP assay also shows a significant reduction in telomerase activity on both cancer cells with different levels.
Conclusion : Curcuma longa extract has anti-proliferation and telomerase inhibitory effects on QU-DB lung cancer and T47D breast cancer cells with differences in levels of telomerase inhibition.
Keywords: Telomerase, Breast cancer, Lung cancer, Curcuma longa
Full-Text [PDF 267 kb]   (2095 Downloads)    
Type of Study: Research | Subject: Pharmacology
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Ranjbari J, Alibakhshi A, Arezumand R, Pourhassan-Moghaddam M, Rahmati M, Zargham N et al . Effects of Curcuma longa Extract on Telomerase Activity in Lung and Breast Cancer Cells. ZJRMS. 2014; 16 (10) :1-6
URL: http://zjrms.ir/article-1-3018-en.html


Volume 16, Issue 10 (Basic Science Issue - October 2014) Back to browse issues page
Zahedan Journal of Research in Medical Sciences
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