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[Determination of human leukocyte interferon by a microfluorimetric immunologic method]
Biulleten' Eksperimental'Noi Biologii I Meditsiny
|April 1, 1979
Summary
Researchers developed a new method for quantifying human leucocyte interferon using FITC-labeled antibodies. This fluorescence immunoassay provides results comparable to traditional viral inhibition assays.
Area of Science:
- Immunology
- Virology
- Biochemistry
Context:
- Accurate quantification of human leucocyte interferon (HuIFN-α) is crucial for therapeutic applications and research.
- Existing methods, like viral cytopathic effect inhibition, can be time-consuming and less specific.
Purpose:
- To develop and validate a quantitative immunoassay for human leucocyte interferon using FITC-labeled anti-interferon antibodies.
- To assess the specificity and comparability of the immunoassay with established methods.
Summary:
- A highly specific anti-interferon immunoglobulin was generated through donkey immunization and purified.
- This immunoglobulin was labeled with fluorescein isothiocyanate (FITC) for use in fluorescence immunoinhibition assays.
- The immunoassay demonstrated comparable titres for human leucocyte interferon preparations to those obtained via viral cytopathic effect inhibition.
Impact:
- This FITC-labeled antibody method offers a potentially faster and more specific alternative for human leucocyte interferon quantification.
- The validated immunoassay could streamline research and clinical diagnostics involving interferon therapeutics.