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Related Experiment Videos

Mutagenic urine in cirrhosis.

S M Gelbart, S J Sontag

    Lancet (London, England)
    |April 26, 1980
    PubMed
    Summary

    Urine from cirrhotic patients and smokers contains mutagens. This study discovered new mutagens in the urine of non-smoking cirrhosis patients, highlighting potential health risks.

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    Area of Science:

    • Toxicology
    • Hepatology
    • Genetics

    Background:

    • Cirrhosis is a severe liver condition.
    • Smoking is a known risk factor for various diseases.
    • Mutagens can cause DNA damage and cancer.

    Purpose of the Study:

    • To investigate the presence of mutagens in the urine of patients with cirrhosis.
    • To compare mutagen levels in cirrhotic patients, smokers, and healthy non-smokers.

    Main Methods:

    • Urine samples were collected from three groups: non-smoking cirrhosis patients, healthy smokers, and healthy non-smokers.
    • The Ames salmonella microsome assay was used to detect mutagens in the urine samples.

    Main Results:

    • All urine samples from cirrhotic patients were mutagenic.
    • A high percentage of samples from smokers (16/17) were mutagenic.
    • Only 2 out of 24 samples from healthy non-smokers showed mutagenic activity.

    Conclusions:

    • The study identified mutagens in the urine of non-smoking patients with cirrhosis, a novel finding.
    • Cirrhosis and smoking are associated with increased urinary mutagens.
    • Further research is needed to understand the implications of these findings.

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