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Related Experiment Videos

[Radiocompetitive method of H antigen determination].

G B Semenova, Ia A Sokolov, V A Liashenko

    Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
    |June 1, 1978
    PubMed
    Summary

    A new radiocompetitive method accurately measures H-d-monomere, revealing distinct immunological affinities among H-antigen forms. This finding differentiates monomer, polymer, and flagellum antigen binding to antibodies.

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    Area of Science:

    • Immunology
    • Biochemistry
    • Radiochemistry

    Context:

    • H-antigens play crucial roles in bacterial structure and immune response.
    • Understanding the immunological properties of different H-antigen forms is essential for vaccine development and diagnostics.

    Purpose:

    • To develop and validate a sensitive radiocompetitive assay for H-d-monomere determination.
    • To compare the immunological affinity of monomeric, polymeric, and flagellar H-antigens to specific antibodies.

    Summary:

    • A novel radiocompetitive method utilizing a double antibody modification achieves a sensitivity of 2 ng/ml for H-d-monomere determination.
    • The assay successfully differentiated the immunological affinity of H-d-monomere, H-d-polymere, and H-d-flagellum antigens.
    • Significant differences in antibody binding affinity were observed across these H-antigen forms.

    Impact:

    • Provides a sensitive tool for quantifying H-d-monomere, aiding in antigen characterization.
    • Offers new insights into the structural basis of antigenicity and antibody recognition.
    • Potential applications in diagnostics and the development of targeted immunotherapies.

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