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Updated: Aug 10, 2026

Flow Cytometry to Estimate Leukemia Stem Cells in Primary Acute Myeloid Leukemia and in Patient-derived-xenografts, at Diagnosis and Follow Up
Published on: March 26, 2018
Differential expression of CD25 and HC2 antigens on subtypes of acute myeloid leukemias
M R Padrós1, M C Salamone, P A Zunszain
1Laboratorio de Inmunogenética, Hospital de Clínicas José de San Martín, Facultad de Medicina, Buenos Aires, Argentina.
Abstract:
The presence of CD25 and HC2 antigens in 66 different patients with acute myeloid leukemia (AML) was investigated. The expression of both antigens was observed in 32% of AML cells. Dual fluorescence staining experiments performed in 5 AML patient cells showed that CD25 and HC2 antigens were simultaneously expressed in a single cell. The expression of both antigens was mainly observed in the M4 and M5 subtypes of AML. Although immunopurified IL-2 was able to block the binding of anti-CD25 monoclonal antibody to the AML cells, the IL-2 receptor did not appear to be functional.
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