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Related Experiment Videos

Passive immunization in murine mucormycosis.

A R Waldorf, C Halde, N A Vedros

    Mycopathologia
    |November 25, 1983
    PubMed
    Summary

    Mouse antibodies against Rhizomucor pusillus effectively protected immunocompromised mice from mucormycosis. Passive immunization with antisera reduced fungal spread and aided in degrading fungal fragments.

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    Area of Science:

    • Mycology
    • Immunology
    • Infectious Diseases

    Background:

    • Mucormycosis, a serious fungal infection, poses a significant threat, especially to immunocompromised individuals.
    • Rhizomucor pusillus is a causative agent of mucormycosis.

    Purpose of the Study:

    • To evaluate the efficacy of a mouse-derived antibody in passive immunization against Rhizomucor pusillus infection.
    • To assess the antibody's impact on infection resistance, fungal dissemination, and tissue damage.

    Main Methods:

    • Antibodies were raised in mice against mycelial homogenates of Rhizomucor pusillus.
    • Immunocompromised mice were infected intranasally with Rh. pusillus.
    • Mice received antisera treatment and were monitored for infection outcomes and fungal burden.

    Main Results:

    • Passive immunization with specific antisera significantly increased resistance to pulmonary and disseminated mucormycosis.
    • Antibody treatment diminished the secondary dissemination of viable fungal fragments.
    • Histological analysis indicated that treated animals could degrade fungal hyphae in lung tissues.

    Conclusions:

    • Antibodies against Rhizomucor pusillus can be a viable strategy for passive immunization against mucormycosis.
    • This approach shows potential in controlling fungal spread and mitigating infection severity in susceptible hosts.

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