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. 2020 Feb 7;10:2141. doi: 10.1038/s41598-020-59082-4

Figure 6.

Figure 6

Specific cytotoxicity of UniCAR NK-92 cells redirected by α-GD2 TMs towards neuroblastoma cells. (A) UniCAR 28/ζ NK-92 cells were incubated with GD2-positive JF Luc neuroblastoma cells in the absence or presence of α-GD2 scFv or IgG4 TMs at an effector to target (E:T) ratio of 5:1. UniCAR stop and EGFP-expressing NK-92 cells (Vector control) were included as a control. (B) UniCAR 28/ζ NK-92 cells were co-cultured with JF Luc cells at different E:T ratios in the presence or absence of the indicated TMs for 4 hrs. Thereafter, specific lysis was measured using a luminescence-based assay. Results are shown as mean ± SD of triplicate samples (A) or data from two independent experiments (B).