Anti-Idiotype Specified Monoclonal Antibody

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Anti-Idiotype Specified Monoclonal Antibody Definition

A synthetic antibody produced by a genetically homogenous population of hybrid cells (hybridoma) against determinant idiotypes (Id) which usually mimic human epitopes. Anti-Id vaccines may be effective in the treatment of B-cell lymphomas, resulting in tumor regression. Anti-idiotype vaccine therapy is less likely to induce autoimmunity if the target antigen is not normally expressed on normal tissues. Monoclonal antibodies have become powerful tools for tumor targeting, recognizing different protein markers on certain cancer cells and may be used alone or as delivery agents for drugs, toxins or radioactive material targeted to tumors. (NCI04)