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Background
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CD23 antigen is an integral membrane glycoprotein, Mr. 45 kdaltons. The CD23 antigen is present on approximately all pre-B lymphocytes, plasma cells CD25 positive Ki-1 cells and HLA-DR. CD23 antigen is also expressed on Lymphoma, T Cell Lymphomas and B-CLLs. CD23 antigen is present on Hodgkin's and Reed Sternberg cells.Synonyms: CD23A, FCE2, FCER2, Fc-epsilon-RII, IGEBF, Immunoglobulin E-binding factor, Low affinity immunoglobulin epsilon Fc receptor, Lymphocyte IgE receptor
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