Blast cells from peripheral blood of 32 patients with acute leukemia were tested for their ability to react with a monoclonal antibody (D1.B6) specific for HLA-DR surface antigen. In order to evaluate the degree of leukemic cell differentiation a monoclonal antibody (R1.B19) specific for the granulocytopoietic lineage was also employed. The results demonstrated that a considerable proportion of blast cell populations expressed the HLA-DR antigen, while only a small fraction of cells expressed the myeloid antigen.
Espressione della struttura HLA-DR e di un antigene di membrana specifico per la linea granulocitopoietica sui blasti di leucemia acuta.
PALUMBO, Antonio;PEGORARO, Luigi
1982-01-01
Abstract
Blast cells from peripheral blood of 32 patients with acute leukemia were tested for their ability to react with a monoclonal antibody (D1.B6) specific for HLA-DR surface antigen. In order to evaluate the degree of leukemic cell differentiation a monoclonal antibody (R1.B19) specific for the granulocytopoietic lineage was also employed. The results demonstrated that a considerable proportion of blast cell populations expressed the HLA-DR antigen, while only a small fraction of cells expressed the myeloid antigen.
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