Cytotoxicity levels of HLA-A3– and HLA-DR17–expressing and HLA-A3– and HLA-DR17–nonexpressing MNCs.

(A) In vitro cytotoxicity levels of HLA-A3–expressing (n = 26) or HLA-A3–nonexpressing (n = 78) MNCs isolated from G-CSF–mobilized donor blood stem cell harvests against K562 tumor target cells (P < .01). ● indicates HLA-A3 absent; ▵, HLA-A3 present. (B) In vitro cytotoxicity levels of HLA-DR17–expressing (n = 19) or HLA-DR17–nonexpressing (n = 85) MNCs isolated from G-CSF–mobilized donor blood stem cell harvests against K562 tumor target cells (P < .01). ● indicates HLA-DR17 absent; ▵, HLA-DR17 present. * indicates the statistical significance of the value as compared to nonmobilized blood.