hA20

Definition / meaning of hA20

A substance being studied in the treatment of several types of lymphoma. It binds to the protein CD20, which is found on B cells (a type of immune system cell) and some types of lymphoma cells. This causes the immune system to kill the cancer cells. hA20 is a type of monoclonal antibody. Also called HCD20, IMMU-106, and veltuzumab.

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Source(s):

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

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