Monoclonal Antibody CD19

**Semantic type:** Amino Acid, Peptide, or Protein|Immunologic Factor|Pharmacologic Substance

**Definition:** A mouse anti-human CD19 monoclonal antibody (MoAb). CD19 as well as CD22 are cell surface antigens present on a majority of B lymphocytes, including early B progenitor cells. Anti-CD19 MoAb, either alone or in combination with other immunotherapeutic agents, may be used in management of B-cell malignancies.

**Synonyms:** - CD19, monoclonal antibody - MoAb CD19