Human leukemic cell lines J6-2, LCL and K562 cellsshowed positive membrane reaction as well. On bonemarrow smears of leukemia patients , MAF-J6-1 MoAbbound to the membrane of monocytic lineage and somemyelocytes.

• MAF－J6－1单抗还对J6－2、LCL、K562等细胞系呈膜阳性反应，对白血病患者骨髓中部分原始和幼稚的单核、粒细胞呈阳性反应。