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T-cell deficiency in immune complex glomerulonephritis.

P E Hoffsten, R Villalobos, C Hill

    Kidney International
    |May 1, 1977
    PubMed
    Summary

    Adoptive immunization using T-cells clears lymphocytic choriomeningitis virus (LCMV) infection in mice. This treatment reduces viral load and improves immune complex glomerulonephritis, challenging current immunosuppressive therapy rationales.

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    Area of Science:

    • Immunology
    • Virology
    • Nephrology

    Background:

    • Chronic lymphocytic choriomeningitis virus (LCMV) infection in mice leads to immune complex glomerulonephritis.
    • Adoptive immunization with immune spleen cells can resolve chronic LCMV infection.

    Purpose of the Study:

    • Identify the specific effector cell responsible for adoptive immunization in LCMV-infected mice.
    • Evaluate the impact of adoptive immunization on immune complex nephritis in LCMV carriers.

    Main Methods:

    • Adoptive transfer of syngeneic immune spleen cells into LCMV-infected mice.
    • Analysis of immune complex deposition in glomeruli of treated and control mice.
    • Assessment of viral load and kidney pathology.

    Main Results:

    • The effector cell mediating adoptive immunization is a T-cell functioning as a killer cell.
    • Adoptively immunized mice showed significantly reduced immune complex deposition in glomeruli compared to controls.
    • LCMV carrier mice receiving T-cell transfer exhibited diminished viremia and improved nephritis.

    Conclusions:

    • LCMV carrier mice possess an immunodeficiency in LCMV-specific killer T-cells.
    • Transferring LCMV-specific killer T-cells can resolve chronic infection and ameliorate immune complex glomerulonephritis.
    • The findings suggest a need to reconsider immunosuppressive therapy for spontaneous glomerulonephritis.

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