Abstract

This chapter provides an overview of bromelain-treated erythrocyte autoantibodies. Normal and autoimmune murine spleen cells secrete antibodies that react with antigens buried in the erythrocyte membrane, but are exposed by the proteolytic enzyme bromelain. Trimethylammonium (TMA)-containing compounds were found to prevent the lysis of bromelain-treated mouse red blood cells (BrMRBC) caused by New Zealand black (NZB) mice-derived monoclonal immunoglobulin M (IgM) antierythrocyte antibodies. The method used to detect antibodies to bromelain-treated erythrocytes is the complement-dependent plaque test. Other methods include a rapid and sensitive enzyme-linked immunosorbent assay with fixed target cells as antigens.

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