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Related Experiment Videos

A new sensitive method for detecting human endogenous (leukocyte) pyrogen.

P Bodel, H Miller

    Inflammation
    |March 1, 1978
    PubMed
    Summary
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    A new mouse model accurately detects endogenous pyrogen (EP), the fever mediator. This sensitive assay, 100-fold more effective than rabbit tests, aids human fever research.

    Area of Science:

    • Immunology
    • Physiology

    Background:

    • Endogenous pyrogen (EP), a fever mediator, is typically detected using rabbit injections.
    • The rabbit assay is insensitive and impractical for studying human fever due to large pyrogen quantity requirements.

    Purpose of the Study:

    • To develop a more sensitive and practical assay for detecting human endogenous pyrogen (EP).
    • To investigate the mechanisms of clinical fever using a novel detection method.

    Main Methods:

    • Human EP was detected by injecting pyrogen-containing medium into mice.
    • Granulocytes and monocytes were stimulated by staphylococcal phagocytosis and incubated overnight.
    • The pyrogenic response in mice was measured after EP injection.

    Main Results:

    Related Experiment Videos

    • Injection of human EP in mice produced clear pyrogenic responses.
    • The mouse assay is approximately 100-fold more sensitive than the traditional rabbit assay.
    • The assay demonstrated specificity for EP.

    Conclusions:

    • A novel, highly sensitive mouse assay for detecting endogenous pyrogen (EP) has been established.
    • This assay overcomes the limitations of the rabbit assay for human fever studies.
    • Preliminary data suggest its utility in investigating clinical fever mechanisms using small patient samples.