[Cytokine in phenotypic analysis of leukemia/lymphoma: suppression of gene expression of myeloperoxidase by IFN-gamma and subset of AML M1 defined by CD45RO+/RA-, CD7(-), CD34(-) and non-inducible HLA-DR antigen].

Abstract excerpt

One of 8 to 12 pre-B ALL cells co-express CD13 and CD33 antigens, but such blasts do not express myeloperoxidase (MPO) even on electronmicroscopy or mRNA. MPO+ pre-B ALL is extremely rare (1/50-1/100), however a cell-line (Tahr87) was established in culture. In contrast, T-lineage blasts express CD13/33 antigens regularly in the pro-thymic stage (CD7+ 5+ 2+ 3- 4- 8- or more immature), and a limited expression of...

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