Expression of the CD4 molecule on acute nonlymphocytic leukemia (ANLL) cell lines
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Updated: Oct 11, 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
1Division of Hematology/Oncology, Children's Hospital Research Foundation, Cincinnati, OH 45229.
Abstract:
Mature and immature monocytes express the CD4 molecule similar to that expressed on lymphocytes. Since monocytes and cells of myeloid lineage are derived from a common progenitor, we studied a panel of nine myeloid leukemia cell lines for the expression of the CD4 molecule. We found that six of nine myeloid leukemia cell lines (U937, KG1-B, HL-60, THP-1, HEL 92.1.7, KMOE) expressed CD4, the exceptions being the erythroleukemia line K562, myeloblast line KG1-REV, and megakaryocytic line, CHRF-288. SDS-PAGE analysis of HL-60 cells immunoprecipitated with OKT4 showed the presence of a 55 kd molecule similar in weight to that seen on lymphocytes. These data suggest that some myeloid progenitor cells express the CD4 molecule and that the CD4 may have a broader distribution within hematopoietic cells.
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