pubmed:abstractText |
Two new human myeloid cell lines, PL-21 and KCL-22, were established from acute promyelocytic leukemia and chronic myelocytic leukemia, respectively. PL-21 was positive to peroxidase staining and differentiated into mature myeloid cells in vitro. KCL-22 had Ph1 chromosomes and differentiated into granulocytes in vivo.
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