anti-CD19 immunotoxin

Definition / meaning of anti-CD19 immunotoxin

A monoclonal antibody linked to a toxic substance. It is being studied in the treatment of some types of B-cell cancer. Anti-CD19 immunotoxin is made in the laboratory. It binds to CD19, a protein on the surface of normal B cells and B-cell tumors, and kills the cells.

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The Web site of the National Cancer Institute (

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