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Related Experiment Videos

Non-infectious tick-borne encephalitis antigen

M Gresíková, M Sekeyová

    Acta Virologica
    |June 1, 1976
    PubMed
    Summary

    Formalin treatment preserves or enhances the haemagglutination activity of tick-borne encephalitis virus antigens. This formalin-treated antigen is non-infectious, making it safer for laboratory use.

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    Area of Science:

    • Virology
    • Immunology

    Background:

    • Tick-borne encephalitis (TBE) virus poses a significant laboratory risk.
    • Developing safe and effective viral antigens is crucial for diagnostic and research purposes.

    Purpose of the Study:

    • To evaluate the effect of formalin treatment on the haemagglutination (HA) activity of TBE virus antigens.
    • To assess the safety of formalin-treated TBE virus antigens for laboratory applications.

    Main Methods:

    • Sucrose-acetone antigens were prepared from various TBE virus strains.
    • Antigens were treated with formalin.
    • Haemagglutination (HA) activity of treated and untreated antigens was compared.

    Main Results:

    • Formalin treatment preserved or increased the HA activity of TBE virus antigens.
    • Formalin-treated TBE virus antigens demonstrated no infectivity.

    Conclusions:

    • Formalin is a suitable agent for inactivating TBE virus antigens while maintaining their HA activity.
    • Formalin-treated TBE virus antigens offer a safer alternative for routine laboratory work, reducing the risk of infection.

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