Research Abstract
Sister-chromatid exchanges induced by 1.3-butadiene and its epoxides in CHO cells.
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Abstract
Sister-chromatid exchanges (SCEs) were analyzed in CHO cells after pulse treatment with 1,3-butadiene, 3,4-epoxy-1-butene (monoepoxybutene) and 1,2:3,4-diepoxybutane (diepoxybutane). A weak dose effect was observed after exposure to 1,3-butadiene but only in the presence of S9 mix. Monoepoxybutene and diepoxybutane were highly effective in inducing SCEs at concentrations of 0.1-1 microM both in the presence and in the absence of S9 mix. At higher concentrations the response was more pronounced without S9 mix.
Affiliation
Institute of Occupational Health, Helsinki, Finland.
External References
- PubMed ID:
- 2034239
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