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Related Experiment Videos

Definition of 17 Rhesus monkey histocompatibility antigens, including one new antigen

B A Maurer, J A Jones, J R Neefe

    Tissue Antigens
    |January 1, 1978
    PubMed
    Summary

    This study characterized rhesus lymphocytotoxic activity using a standard microcytotoxicity assay, identifying 17 RhLA antigens. These identified antigens represent a significant portion of the major histocompatibility complex in rhesus monkeys.

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    Area of Science:

    • Immunogenetics
    • Primate immunology

    Background:

    • The mammalian major histocompatibility complex (MHC) plays a crucial role in immune responses and transplantation.
    • Understanding the genetic diversity of MHC in non-human primates, like rhesus monkeys, is vital for preclinical research.

    Purpose of the Study:

    • To evaluate the lymphocytotoxic activity of rhesus allosera.
    • To identify and characterize Rhesus Lymphocyte-Specific Antigens (RhLA) within the primate MHC.
    • To establish genetic criteria for RhLA antigen definition.

    Main Methods:

    • Utilized a standard complement-dependent microcytotoxicity assay for lymphocytotoxicity testing.
    • Employed computer-assisted chi2 analysis to group correlated antisera from 144 rhesus allosera.
    • Assumed a two-locus model for the primate MHC (A and B loci).

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    Main Results:

    • Generated 23 groups of highly correlated antisera from 112 unrelated rhesus monkeys.
    • Identified 17 RhLA antigen groups meeting predetermined genetic criteria.
    • Six antigen groups were associated with the B locus and 11 with the A locus.
    • 16 identified antigens were consistent with previously described RhLA or human HLA antigens; one was novel.
    • The 17 identified antigens accounted for approximately 74% of the total expression of the A and B loci.

    Conclusions:

    • Established a panel of 17 RhLA antigens, contributing significantly to the understanding of rhesus monkey MHC genetics.
    • The identified antigens represent a substantial portion of the expressed diversity at the A and B loci.
    • This characterization provides a foundation for further immunogenetic studies and transplantation research in rhesus models.