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Experimental murine hepatitis and inducible suppressor cell function.

H J Hodgson, J R Wands, K J Isselbacher

    Journal of Clinical & Laboratory Immunology
    |January 1, 1982
    PubMed
    Summary
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    Murine hepatitis virus infection transiently reduces spleen cell suppressor activity in mice. This suggests a key immunoregulatory role for these cells during viral hepatitis.

    Area of Science:

    • Immunology
    • Virology
    • Hepatitis Research

    Background:

    • Murine hepatitis virus (MHV) infection causes significant liver damage.
    • Immune responses, including suppressor cell activity, are crucial in viral hepatitis pathogenesis.

    Purpose of the Study:

    • To investigate changes in inducible suppressor cell activity in BALB/c mice infected with MHV.
    • To understand the role of suppressor cells in the immune response to viral hepatitis.

    Main Methods:

    • BALB/c mice were infected with the A-59 strain of MHV.
    • Spleen cells were analyzed for inducible suppressor activity after in vitro stimulation with Concanavalin A (Con A).
    • Proliferative responses of spleen cells to Con A were also assessed sequentially.

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    Main Results:

    • Peak liver damage occurred four days post-infection.
    • A transient loss of inducible suppressor activity in spleen cells was observed on day 2 post-infection.
    • Changes in Con A-induced proliferative responses did not fully explain the loss of suppressor activity.

    Conclusions:

    • Con A-stimulated suppressor cells exhibit altered activity during experimental viral hepatitis.
    • These findings suggest an important immunoregulatory function for suppressor cells in MHV infection.
    • Further research into suppressor cell dynamics could inform therapeutic strategies for viral hepatitis.