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Published on: April 16, 2013
Expression of haematopoietic progenitor cell-associated antigen BI-3C5/CD34 in leukemia
1Department of Clinical Laboratory Diagnostics, Clinical Hospital Centre-Rebro, Zagreb, Yugoslavia.
Abstract:
The expression of progenitor cell-associated antigen CD34, defined with monoclonal antibody BI-3C5, was investigated in cells from 109 patients with leukaemia. No reactivity was found in chronic leukaemias, whereas 31% of acute myelogenous leukaemia (AML) and most non-T, non-B acute lymphoblastic leukaemia (ALL) expressed CD34. Examples of BI-3C5+ AML included M1 and M2 FAB types only; all but one were myeloperoxidase positive. In combination with pan-myeloid markers, BI-3C5 is useful for identification of immature myeloid cells.
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