Cytotoxic effect of saffron stigma aqueous extract on human transitional cell carcinoma and mouse fibroblast

Behzad Feizzadeh*, Jalil Tavakkol Afshari, Hassan Rakhshandeh, Alireza Rahimi, Azam Brook, Hassan Doosti

*Corresponding author for this work

Research output: Contribution to journalArticle

31 Citations (Scopus)
13 Downloads (Pure)

Abstract

INTRODUCTION: Saffron has been suggested to have inhibitory effects on tumoral cells. We evaluated the cytotoxic effect of aqueous extract of saffron on human transitional cell carcinoma (TCC) and mouse non-neoplastic fibroblast cell lines. MATERIALS AND METHODS: Human TCC 5637 cell line and mouse fibroblast cell line (L929) were cultivated and incubated with different concentrations of aqueous extract of saffron stigma (50 microg/mL to 4000 microg/mL). Cytotoxic effect of saffron was evaluated by morphologic observation and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide colorimetric assay after 24, 48, 72, and 120 hours in each cell line. RESULTS: After 24 hours, morphological observations showed growth inhibitory effects at saffron extract concentrations higher than 200 microg/mL for L929 cells and at concentrations of 50 microg/mL to 200 microg/mL for the TCC cells. These changes became more prominent after 48 hours. However, significant growth inhibitory effects of the extract were shown at concentrations of 400 microg/mL and 800 microg/mL. Higher concentrations of saffron correlated inversely with cell population of both cell lines. Significant reduction of the survived cells was seen at concentrations of 400 microg/mL and 2000 microg/mL for TCC and L929 cell lines, respectively. After 120 hours, decrease in the percentage of survived cells at higher concentrations of saffron extract was seen in both cell lines. At a concentration of 800 microg/mL, the survived L929 cells plummeted to less than 60% after 120 hours, while no TCC cells survived at this time. No L929 cells survived at 2000 microg/mL. CONCLUSION: Saffron aqueous extract has inhibitory effects on the growth of both TCC 5637 and normal L929 cell lines. This effect is dose dependent.
Original languageEnglish
Pages (from-to)161-167
Number of pages7
JournalUrology journal
Volume5
Issue number3
DOIs
Publication statusPublished - 2008
Externally publishedYes

Bibliographical note

Copyright the Author(s) 2008. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Keywords

  • Crocus sativus
  • antineoplastic agents
  • transitional cell carcinoma
  • fibroblast

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