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Relation of antigen-binding cells to immunological memory.

R Tanenbaum, D Sulitzeanu

    Advances in Experimental Medicine and Biology
    |January 1, 1976
    PubMed
    Summary

    Mice primed with a specific antigen conjugate developed high levels of immune memory cells, identified as rosette-forming cells (RFCs). These RFCs were crucial for transferring immune memory, demonstrating their role in long-term immune responses.

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    Area of Science:

    • Immunology
    • Cellular immunology

    Background:

    • Immune memory is crucial for adaptive immunity.
    • Understanding the cellular basis of immune memory is essential for developing effective vaccines and therapies.

    Purpose of the Study:

    • To investigate the role of antigen-specific B cells in establishing immune memory.
    • To characterize the properties of memory cells induced by 'pure priming'.

    Main Methods:

    • Induction of immune memory in mice using a human serum albumin (HSA) conjugate.
    • Assay of HSA-specific rosette-forming cells (RFCs) using an antigen-binding technique.
    • Adoptive transfer experiments to assess the memory-transfer capacity of RFCs.

    Main Results:

    • 'Pure priming' with HSA conjugate generated a high frequency of HSA-specific RFCs (up to 0.6%) compared to controls (0.08%).
    • RFC-enriched fractions from primed mice effectively transferred immune memory upon adoptive transfer.
    • The number of RFCs correlated with memory levels up to two months, suggesting a role in memory maintenance.

    Conclusions:

    • Rosette-forming cells (RFCs) are key mediators of immune memory following 'pure priming'.
    • The quality of memory cells may change over time, as RFC numbers decrease while memory persists.

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