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Related Experiment Videos

Gyromitrin as a tumor inducer

B Toth, K Patil

    Neoplasma
    |January 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Acetaldehyde methylformylhydrazone (gyromitrin), found in false morel mushrooms, significantly increased lung and preputial gland tumors in male mice. Female mice showed increased lung tumors but no preputial gland tumors.

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    Area of Science:

    • Toxicology
    • Carcinogenesis
    • Environmental Health

    Background:

    • Gyromitrin, also known as acetaldehyde methylformylhydrazone, is a toxin found in the false morel mushroom (Gyromitra esculenta).
    • Previous research has indicated potential health risks associated with the consumption of raw or improperly prepared false morel mushrooms.

    Purpose of the Study:

    • To investigate the carcinogenic potential of gyromitrin.
    • To determine the specific tumor types induced by gyromitrin exposure in a rodent model.

    Main Methods:

    • Randomly bred Swiss mice were administered 12 weekly subcutaneous injections of gyromitrin (50 µg/g body weight) in propylene glycol.
    • Control groups received injections of propylene glycol alone.
    • Tumor incidence and types were histopathologically assessed in both treatment and control groups.

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    Main Results:

    • Gyromitrin treatment led to a significant increase in lung tumors in both male (46%) and female (51%) mice compared to controls (32% and 28%, respectively).
    • Male mice also developed a notable incidence of preputial gland tumors (28%) after gyromitrin administration, which were absent in controls.
    • Tumors included lung adenomas/adenocarcinomas and preputial gland squamous cell papillomas/carcinomas/adenocarcinomas.

    Conclusions:

    • Gyromitrin is a potent carcinogen, inducing lung and preputial gland tumors in mice.
    • The findings highlight the potential health risks associated with gyromitrin exposure, emphasizing the need for caution regarding consumption of mushrooms containing this toxin.
    • Further research is warranted to assess the environmental significance and human health implications of gyromitrin.