Specificity: Recognizes a single chain glycoprotein of 105/120kDa, identified as CD30/Ki-1. This Mab distinguishes large cell lymphomas derived from activated lymphoid cells from histiocytic malignancies and lymphomas derived from resting and precursor lymphoid cells or from anaplastic carcinomas. umor cells of a majority of anaplastic large cell lymphomas, and by a varying proportion of activated T and B cells. Immunogen: Cancer cell line established from a patient with Hodgkin’s disease of T-cell lineage