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NCI Dictionary of Cancer Terms


anti-CD22 immunotoxin  listen  (AN-tee … IH-myoo-noh-TOK-sin)

  A monoclonal antibody linked to a toxic substance. It is being studied in the treatment of some types of B-cell cancer. Anti-CD22 immunotoxin is made in the laboratory. It binds to CD22, a protein on the surface of normal B cells and B-cell tumors, and kills the cells.