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Immunophenotypic demonstration of two natural killer surface markers, H25 and H366, on fresh human leukemic cells
A Körfer1, H Kirchner, C Schneekloth
1Abteilung Hämatologie und Onkologie, Medizinische Hochschule Hannover, FRG.
Using a modified alkaline-phosphatase/antialkaline-phosphatase method for phenotyping fresh human leukemias, we could demonstrate peripheral blood and bone marrow-derived blast cells to specifically react with two monoclonal antibodies (MoAbs), H25 and H366, previously shown to recognize natural killer cells, activated T lymphocytes and a proportion of normal hematopoietic precursor cells. MoAbs H25 and H366 were found to identify the majority of leukemic cells in patients presenting with T-ALL, LGL leukemia, pre-B-ALL, CML, and AML, respectively.
Using a modified alkaline-phosphatase/antialkaline-phosphatase method for phenotyping fresh human leukemias, we could demonstrate peripheral blood and bone marrow-derived blast cells to specifically react with two monoclonal antibodies (MoAbs), H25 and H366, previously shown to recognize natural killer cells, activated T lymphocytes and a proportion of normal hematopoietic precursor cells. MoAbs H25 and H366 were found to identify the majority of leukemic cells in patients presenting with T-ALL, LGL leukemia, pre-B-ALL, CML, and AML, respectively.