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Related Experiment Videos

Decrease in microviscosity of lymphocyte surface membrane associated with stimulation induced by concanavalin A.

M Inbar, M Shinitzky

    European Journal of Immunology
    |March 1, 1975
    PubMed
    Summary
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    Normal mouse serum treated with complement (CM) factor profoundly inhibited antibody production, impacting IgG more than IgM and T-dependent responses more than T-independent ones.

    Area of Science:

    • Immunology
    • Complement System

    Background:

    • The complement system is crucial for innate and adaptive immunity.
    • Complement activation can modulate antibody production.

    Purpose of the Study:

    • To investigate the effect of complement-treated mouse serum on antibody responses.
    • To determine the impact of complement factor (CVF) on different antibody isotypes and T-cell dependence.

    Main Methods:

    • Normal mouse serum was treated with complement factor (CVF).
    • The treated serum was administered to mice to assess its effect on antibody production.
    • Antibody responses, including IgG and IgM, and T-dependent and T-independent responses were analyzed.

    Main Results:

    • CVF-treated serum significantly inhibited overall antibody responses.

    Related Experiment Videos

  • IgG antibody production was more profoundly affected than IgM.
  • T-dependent antibody responses were more sensitive to inhibition than T-independent responses.
  • No aspect of the antibody response remained unaffected.

    • Conclusions:

    • Complement factor (CVF) in treated serum exerts a broad suppressive effect on adaptive immune responses.
    • The findings highlight the significant role of complement in regulating antibody production, particularly IgG and T-dependent pathways.