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Related Experiment Videos

Experimental BUdR congenital cataracts.

A R Gasset, M Itoi, Y Ishii

    Investigative Ophthalmology
    |February 1, 1975
    PubMed
    Summary

    Bromodeoxyuridine (BUdR) injection during gestation caused bilateral cataracts in all newborn rats. This study demonstrates BUdR

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    Area of Science:

    • Developmental toxicology
    • Ophthalmology
    • Teratology

    Background:

    • Congenital cataracts are a leading cause of childhood blindness.
    • Understanding the teratogenic effects of chemical agents is crucial for prenatal health.
    • Bromodeoxyuridine (BUdR) is a thymidine analog used in cell proliferation studies.

    Purpose of the Study:

    • To investigate the potential of bromodeoxyuridine (BUdR) to induce cataracts in developing rat offspring.
    • To establish a model for studying drug-induced congenital cataracts.

    Main Methods:

    • Pregnant rats were administered intraperitoneal injections of bromodeoxyuridine (BUdR) on the sixteenth day of gestation.
    • Newborn rat offspring were examined for the presence of bilateral cataracts.

    Main Results:

    • All 64 newborn rats from the treated pregnant rats exhibited bilateral cataracts.
    • The induction of cataracts was consistent across all offspring from the exposed litters.

    Conclusions:

    • Intraperitoneal injection of bromodeoxyuridine (BUdR) during a critical window of gestation is a potent teratogen causing bilateral cataracts in rats.
    • This finding highlights the importance of evaluating thymidine analogs for potential developmental toxicity.
    • The study provides a reliable animal model for investigating the pathogenesis and potential treatments for congenital cataracts.

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