Molecular Aspects of Cancer , 2010-12-20

Title : ( Investigation of cytotoxicity and anti-cancer effects of 7-isopentenyloxycoumarin in vitro )

Authors: fereshteh haghighi , Maryam Moghaddam Matin , Ahmad Reza Bahrami , Mehrdad Iranshahi ,

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BACKGROUND: Bladder cancer is the second common cancer of genitourinary tract. Transitional cell carcinoma (TCC) covers more than 90% of bladder cancers and its specific treatment remains a challenge. Coumarins are a large group of natural compounds that their biological effects have always been taken into consideration. Here we report cytotoxicity and anti-cancer effects of 7- isopentenyloxycoumarin in TCC cells. RESULTS: In order to investigate the effects of this compound, different concentrations from 10 to 100 μg/ml were prepared using dimethylsolfuxide (DMSO) as solvent. TCC (as cancerous cells) and HDF cells (as normal cells) were grown and treated with these concentrations and the effects were evaluated after 24, 48 and 72 hours of treatments by MTT assay. The morphological changes of the nuclei were also observed by DAPI staining. Results showed that 7-isopentenyloxycoumarin reached its IC50 at concentration of 65 μg/ml after 72 hours on TCC cells. On the other hand, this compound did not have any effect on HDF cells. DAPI staining showed considerable morphological changes, nuclear fragmentation and chromatin condensation in TCC cells treated with 65 μg/ml of 7-isopentenuloxycoumarin in comparison to controls. CONCLUSION: The results indicated that 7-isopentenyloxycoumarin had cytotoxic effects on TCC cells, but not on normal HDF cells and therefore it might be considered as an anti-tumor agent. More investigations are required to confirm the reproducibility and mechanism of this observation in other cell lines.


, 7-isopentenyloxycoumarin, TCC cells, MTT assay
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author = {Haghighi, Fereshteh and Moghaddam Matin, Maryam and Bahrami, Ahmad Reza and Mehrdad Iranshahi},
title = {Investigation of cytotoxicity and anti-cancer effects of 7-isopentenyloxycoumarin in vitro},
booktitle = {Molecular Aspects of Cancer},
year = {2010},
location = {مشهد, IRAN},
keywords = {7-isopentenyloxycoumarin; TCC cells; MTT assay},


%0 Conference Proceedings
%T Investigation of cytotoxicity and anti-cancer effects of 7-isopentenyloxycoumarin in vitro
%A Haghighi, Fereshteh
%A Moghaddam Matin, Maryam
%A Bahrami, Ahmad Reza
%A Mehrdad Iranshahi
%J Molecular Aspects of Cancer
%D 2010