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  • Title: A novel monoclonal antibody (FUN-1) identifies an activation antigen in cells of the B-cell lineage and Reed-Sternberg cells.
    Author: Nozawa Y, Wachi E, Tominaga K, Abe M, Wakasa H.
    Journal: J Pathol; 1993 Mar; 169(3):309-15. PubMed ID: 8492223.
    Abstract:
    The characterization of a new monoclonal antibody (MoAb) recognizing a human B-cell activation antigen, designated FUN-1, is described in this paper. Immunoprecipitation revealed that FUN-1 recognizes an antigen with a molecular weight (MW) of 75kD. FUN-1 reacts with pokeweed mitogen-activated B lymphocytes and monocytes of peripheral blood, but not with unstimulated lymphocytes or granulocytes. It also reacts with large lymphoid cells in germinal centres, Epstein-Barr virus-transformed B cell lines, large B-cell lymphomas, Ki-1-positive anaplastic large-cell lymphomas, and Reed-Sternberg cells of Hodgkin's disease, but not with Concanavalin A-activated T cells, acute lymphoblastic leukaemias, T-cell lymphomas, or low-grade B-cell leukaemias. These findings indicate that FUN-1 recognizes a previously unreported B-cell activation antigen. This MoAb appears to be useful for the study of maturation and differentiation in the B-cell lineage as well as for the immunohistochemical diagnosis of B-cell lymphomas and Hodgkin's disease.
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