特異性The monoclonal antibody is directed against the CD66acde antigen. The monoclonal antibody reacts with 100% of mature human peripheral granulocytes. It reacts weak with malignant cells of patients with B cell derived Chronic Lymphoid Leukaemia (CLL). The monoclonal antibody does not react with normal human peripheral B cells, T cells, monocytes and platelets. In immunohistology the monoclonal antibody reacts with some tissue macrophages and CEA, the Carcino Embryonic Antigen, expressed on
colon carcinoma and other carcinomas.