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Related Experiment Videos

Clonotypic antibodies which stimulate T cell clone proliferation.

J Frelinger, A Sing, A Infante

    Immunological Reviews
    |October 1, 1984
    PubMed
    Summary

    Researchers developed specific antisera targeting T cell receptors, enabling the isolation of unique molecular components. These findings link T cell receptor function to distinct biochemical changes, advancing immunology research.

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    Intra- and inter-observer variability in intracranial aneurysm segmentation: comparison between CT angiography (semi-automated segmentation software stroke VCAR) and digital subtraction angiography (3D rotational angiography).

    La Radiologia medica·2020

    Area of Science:

    • Immunology
    • Molecular Biology
    • Biochemistry

    Background:

    • T cell receptors (TCRs) mediate adaptive immunity by recognizing antigens.
    • Understanding TCR specificity at a molecular level is crucial for immunology.

    Purpose of the Study:

    • To generate and characterize clonotypic antisera that specifically recognize T cell receptors (TCRs).
    • To identify the molecular components associated with the TCRs of functional T cell clones.
    • To investigate the biochemical basis of TCR functional specificity.

    Main Methods:

    • Preparation and testing of antisera against T cell clones.
    • Clonotypic stimulation assays to assess specificity.
    • Immunoprecipitation and biochemical analysis (e.g., isoelectric focusing) of TCR complexes.

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    Main Results:

    • Developed antisera that specifically stimulate immunizing T cell clones without cross-stimulation.
    • Identified an 82 kDa molecular weight complex unique to specific T cell clones.
    • This complex comprises an acidic (alpha) and a basic (beta) chain, with variations in the beta subunit correlating with antigen specificity.

    Conclusions:

    • Clonotypic antisera can be used to isolate and study specific T cell receptors.
    • The T cell receptor complex exhibits biochemical heterogeneity that reflects its functional specificity.
    • This study provides molecular insights into how T cell receptors distinguish between different antigens.