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Related Experiment Videos

Fluroxene mutagenicity.

J M Baden, M Kelley, V F Simmon

    Mutation Research
    |November 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    The volatile anesthetic fluroxene is a promutagen, meaning it requires activation by liver enzymes to become mutagenic. Fluroxene mutagenicity was observed in bacterial tests but not in human liver enzyme systems, making its risk to humans unclear.

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    Area of Science:

    • Toxicology
    • Genetics
    • Pharmacology

    Background:

    • Fluroxene (2,2,2-trifluoroethyl vinyl ether) is a volatile anesthetic containing N-phenyl-1-napthylamine.
    • The mutagenicity of fluroxene and its components/metabolites has not been fully elucidated.

    Purpose of the Study:

    • To assess the mutagenicity of fluroxene and its related compounds.
    • To investigate the role of metabolic activation in fluroxene-induced mutagenicity.

    Main Methods:

    • Bacterial mutagenicity assays using Salmonella typhimurium strains (TA1535, TA1537, TA98, TA100) and E. coli WP2.
    • Testing of purified fluroxene, N-phenyl-1-napthylamine, trifluoroethanol, and rat urine post-fluroxene anesthesia.
    • Inclusion of rat liver enzyme systems and enzymes from mouse, hamster, and human livers for metabolic activation studies.

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    Main Results:

    • Fluroxene demonstrated mutagenicity in bacterial strains TA1535, TA100, and WP2, but only in liquid suspension with rat liver enzymes.
    • The stabilizer N-phenyl-1-napthylamine, trifluoroethanol, and rat urine were not mutagenic.
    • Fluroxene mutagenicity was observed with rodent liver enzymes (pretreated with Aroclor 1254) but not with human liver enzymes.

    Conclusions:

    • Fluroxene acts as a promutagen, requiring metabolic activation to exert mutagenic effects.
    • The absence of mutagenicity with human liver enzymes suggests a potentially limited risk to humans, though further investigation is warranted.