Fig. 2.
Effect of an anti-HLA class I mAb on cytotoxicity of KYO-1 and HAS-1 against leukemia cells.
The cytotoxicity of KYO-1 and HAS-1 against HLA A24+leukemia cell line, MEG01, preincubated with or without an anti-HLA class I mAb or an anti-HLA class II mAb was determined by 4-hour51Cr release assays at an effector-target ratio of 10:1.