DT2219ARL immunotoxin

Definition / meaning of DT2219ARL immunotoxin

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.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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