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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



DT2219ARL immunotoxin  listen  (… IH-myoo-noh-TOK-sin)

  A substance being studied in the treatment of some types of B-cell cancer. It contains an antibody linked to a toxic substance. The antibody binds to proteins called CD19 and CD22 on the surface of B cells, and the toxic substance kills the cells. It is a type of bispecific ligand-directed toxin.