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A general interactive model for B cell activation II. Experimental verification.

A J Rosenspire, D M Jacobs

    Cell Biophysics
    |March 1, 1981
    PubMed
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    This study experimentally tested an interactive model of immune responses. The model accurately predicted how lipopolysaccharide (LPS) and Polymyxin B affect anti-trinitrophenyl (TNP) plaque-forming cell responses in murine lymphocytes.

    Area of Science:

    • Immunology
    • Computational Biology

    Background:

    • An interactive model for immune responses was previously proposed.
    • Experimental validation is crucial for theoretical models in immunology.

    Purpose of the Study:

    • To experimentally test a general interactive model of immune responses.
    • To examine the high-affinity anti-trinitrophenyl (TNP) plaque-forming cell response in murine lymphocytes.
    • To predict and verify the effects of lipopolysaccharide (LPS) and Polymyxin B on TNP-LPS stimulated cultures.

    Main Methods:

    • Cultures of murine lymphocytes were exposed to lipopolysaccharide (LPS) and trinitrophenylated lipopolysaccharide (TNP--LPS).
    • The study analyzed the high-affinity anti-TNP plaque-forming cell response.
    • Predictions from the interactive model were compared against experimental results, including variations in LPS addition, Polymyxin B treatment, and TNP--LPS haptenation ratios.

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    Main Results:

    • Experimental results were consistent with the predictions derived from the general interactive model.
    • The model successfully predicted the impact of free LPS on the dose response to TNP--LPS.
    • The model also accurately predicted the effects of Polymyxin B and varying haptenation ratios on TNP--LPS stimulated responses.

    Conclusions:

    • The general interactive model provides a valid framework for understanding immune responses.
    • Experimental data supports the predictive power of the interactive model in lymphocyte cultures.
    • The model can be used to anticipate the effects of specific immune modulators like LPS and Polymyxin B.