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[Effect of naproxen on the semiconservative DNA synthesis and DNA repair of various cell systems].

G Klein

    Arzneimittel-Forschung
    |February 1, 1975
    PubMed
    Summary

    Naproxen slightly reduces DNA synthesis and DNA repair enzyme activity in human and mouse cells. This antiproliferating effect may be beneficial for treating rheumatic diseases, with low risk to genetic material.

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    Area of Science:

    • Molecular Biology
    • Pharmacology

    Context:

    • Naproxen, a nonsteroidal anti-inflammatory drug (NSAID), is widely used for rheumatic diseases.
    • Understanding its effects on DNA synthesis and repair is crucial for assessing its safety and therapeutic potential.

    Purpose:

    • To investigate the influence of varying naproxen concentrations on semiconservative DNA synthesis.
    • To evaluate the impact of naproxen on DNA repair mechanisms in human lymphocytes and mouse spleen cells.

    Summary:

    • Naproxen demonstrated a slight reduction in DNA synthesis in both cell types.
    • Naproxen inhibited endonuclease activity at 30 ppm in mouse spleen cells.
    • Higher naproxen concentrations (above 60 ppm) reduced exonuclease and polymerase activities, and at 120 ppm, significantly impaired excision repair enzymes.

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    Impact:

    • The antiproliferating effect of naproxen suggests potential benefits for managing rheumatic diseases.
    • Naproxen's impact on DNA repair enzymes indicates a dose-dependent effect on cellular processes.
    • Low risk of late genetic effects is anticipated unless co-administered with DNA-damaging agents.