title: Radioimmunoassay for myeloma idiotype.
abstract: Rabbit anti-idiotype antisera were prepared against four human myeloma proteins. These antisera demonstrated a capacity to bind the 125I-labeled autologous purified monoclonal IgG, but failed to demonstrate any binding to 125I-labeled normal IgG or to labeled myeloma IgG obtained from other myeloma patients. The anti-idiotypic antisera were used with 125I-labeled autologous myeloma IgG preparations and goat antirabbit IgG for specific radioimmunoassay with a sensitivity limit of 20 ng/ml. Little or no cross-reaction occurred between these anti-idiotypic antisera and normal IgG preparations or other myeloma IgG proteins.
mesh_terms: D000888:Antibodies, Anti-Idiotypic; D000918:Antibody Specificity; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007145:Immunoglobulin kappa-Chains / Q000032:analysis; D007146:Immunoglobulin lambda-Chains / Q000032:analysis; D009101:Multiple Myeloma / Q000276:immunology* / Q000473:pathology; D009194:Myeloma Proteins / Q000032:analysis / Q000276:immunology*; D011863:Radioimmunoassay
chemical_list: D000888:Antibodies, Anti-Idiotypic; D007074:Immunoglobulin G; D007145:Immunoglobulin kappa-Chains; D007146:Immunoglobulin lambda-Chains; D009194:Myeloma Proteins