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Related Experiment Videos

Beryllium: laboratory evidence.

W G Flamm

    IARC Scientific Publications
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Beryllium compounds are potent carcinogens, particularly in the lungs of rats, and can induce bone cancer in animals. While not mutagenic, their cancer-causing mechanism remains unclear.

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    Does the term carcinogen send the wrong message?

    Cancer letters·1997

    Area of Science:

    • Toxicology
    • Carcinogenesis
    • Inorganic Chemistry

    Background:

    • Beryllium compounds have been recognized as animal carcinogens since 1946.
    • Beryllium salts and alloys were among the first nonradioactive inorganic substances identified as capable of inducing osteogenic sarcoma in experimental animals.
    • Beryllium compounds are potent pulmonary carcinogens in rats.

    Purpose of the Study:

    • To summarize the established carcinogenic properties of beryllium-containing compounds.
    • To highlight the lack of mutagenicity data for these compounds.
    • To identify the open question regarding the mechanism of beryllium-induced carcinogenesis.

    Main Methods:

    • Literature review of historical and contemporary studies on beryllium carcinogenicity.

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  • Analysis of toxicological data from animal studies, focusing on induced neoplasms.
  • Assessment of mutagenicity assays and genotoxicity data.

    • Main Results:

    • Beryllium compounds induce osteogenic sarcoma in experimental animals.
    • Beryllium-containing compounds are powerful pulmonary carcinogens in rats.
    • Current data suggests beryllium compounds are not mutagenic.

    Conclusions:

    • Beryllium compounds possess significant carcinogenic potential in animal models.
    • The non-mutagenic nature of beryllium compounds raises questions about their carcinogenic mechanism.
    • Further research is needed to elucidate how beryllium causes cancer without apparent mutagenicity.