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Related Experiment Videos

Lanthanide-induced calcergy

I R Garrett, J McClure

    The Journal of Pathology
    |December 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Subcutaneous injection of rare earth chloride salts causes dorsal fascia calcification in mice. The dose required for this effect varies by salt, necessitating a quantitative radiological method for accurate assessment.

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    Area of Science:

    • Biomedical research
    • Radiology
    • Toxicology

    Background:

    • Subcutaneous administration of rare earth chloride salts in mice induces dorsal fascia calcification.
    • The dose-response relationship for this calcification varies significantly between different rare earth salts.
    • Macroscopic assessment of the calcification is often irregular, limiting quantitative analysis.

    Purpose of the Study:

    • To develop and validate a quantitative radiological method for assessing rare earth salt-induced dorsal fascia calcification.
    • To establish an accurate dose/response relationship for various rare earth chloride salts.
    • To characterize the mathematical models describing the dose/response relationship.

    Main Methods:

    • Subcutaneous injection of varying concentrations of rare earth chloride salts in mice.

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  • Development of a quantitative radiological technique for measuring dorsal fascia calcification.
  • Analysis of dose/response data using regression models.

    • Main Results:

    • A quantitative radiological method was successfully developed for accurate assessment of calcification.
    • The dose required for a predictable calcification response varied among different rare earth salts.
    • For most salts, the dose/response relationship was best described by log regression, while three salts showed a linear regression.

    Conclusions:

    • Quantitative radiology provides an accurate method to assess rare earth salt-induced calcification.
    • The dose-response relationship for dorsal fascia calcification by rare earth salts is salt-dependent.
    • Log and linear regression models effectively describe the dose/response relationships observed.