Inhibition of colony formation of Hela cells by naturally occurring and synthetic agents - PubMed
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- PMID: 8922269
Inhibition of colony formation of Hela cells by naturally occurring and synthetic agents
F I Abdullaev et al. Biofactors. 1995.
Abstract
The present study compared the effects of naturally occurring extracts or compound in combination with synthetic selenium compounds on the colony formation and nucleic acid synthesis of cultured human cervical epitheloid carcinoma cells (Hela). Crude extract of bean (Phaseolus vulgaris) or purified lectin from red kidney bean (Phaseolus vulgaris) in combination with selenomethionine were more effective in inhibiting the colony formation of Hela cells than when these cells were treated with these agents alone. Extracts of saffron (Crocus sativus) and selenite have previously been shown to inhibit the colony formation and nucleic acid synthesis by Hela cells in vitro. In the present study we examined the effects of saffron extract in combination with selenite on the colony formation and DNA and RNA synthesis in Hela cells. We found that the treatment of tumor Hela cells with saffron extract in combination with selenite increased the level of inhibition of the colony formation and nucleic acid synthesis in comparison with cells that were treated with only one of these agents. The inhibitory effect of saffron extract in combination with selenite was modified by intracellular sulfhydryl compounds.
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