Figure 8.
Intracellular Ca2+ mobilization induced by anti–human IgG antibodies in the EBV-B cell line C1R (a) is inhibited upon crosslinking with ILT2 (b). Similarly, the increased [Ca2+]i triggered through HLA-DR by the 3.8 B1 mAb in monocytes (c) and dendritic cells (not shown) is downregulated, although to a lesser extent, when ILT2 is coligated with HLA-DR (d). HP-1F7 is an isotype-matched control antibody.