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Dictionary of Cancer Terms

View in Spanish: Inmunotoxina DT2219ARL

DT2219ARL immunotoxin (… 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.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.