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. 2006 Nov 3;98(1):102–108. doi: 10.1111/j.1349-7006.2006.00356.x

Figure 3.

Figure 3

Cell surface expression of human leukocyte antigen (HLA) class I on freshly isolated leukemic blasts from (A) case 35 with acute myeloblastic leukemia (AML) and (B) case 41 with acute lymphoblastic leukemia (ALL). In case 35, no loss or down‐regulation in HLA class I, HLA‐A11, or β2‐microglobulin (β2M) expression on AML blasts (L) is evident in comparison with normal lymphocytes (N). In case 41, down‐regulation of HLA class I, HLA‐A24, and β2M expression on ALL blasts is seen. Leukemic blasts were differentiated from normal lymphocytes by lower CD45 fluorescence.