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Immunological tolerance: new approaches using transgenic mice.

J F Miller, G Morahan, J Allison

    Immunology Today
    |February 1, 1989
    PubMed
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    Transgenic technology enables introducing foreign genes into animals to study self-tolerance. This approach synthesizes antigens as self-molecules, aiding research into acquired immunological tolerance mechanisms.

    Area of Science:

    • Immunology
    • Genetics
    • Transgenic Technology

    Background:

    • Acquired immunological tolerance is crucial for preventing autoimmune diseases.
    • Understanding self-tolerance mechanisms is a key challenge in immunology.
    • Transgenic animal models offer novel ways to study immune responses.

    Purpose of the Study:

    • To review the application of transgenic technology in investigating acquired immunological tolerance.
    • To explore how directing antigen expression influences immune tolerance.
    • To discuss the potential of transgenic models for understanding self-recognition by the immune system.

    Main Methods:

    • Introduction of foreign antigen genes into the animal germline.
    • Utilizing specific promoters to direct antigen expression to particular tissues.

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  • Synthesis of foreign antigens as authentic self-molecules within the animal.
  • Main Results:

    • Transgenic animals can express foreign antigens as self-components.
    • Tissue-specific expression of antigens can be precisely controlled.
    • This model facilitates the study of tolerance induction to self-like molecules.

    Conclusions:

    • Transgenic technology provides a powerful tool for dissecting the mechanisms of acquired immunological tolerance.
    • This approach allows for the investigation of immune responses to self-antigens in a controlled manner.
    • Further research using these models can advance our understanding of autoimmunity and immune regulation.