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Analysis of NK-92-αFR-28BBζ cell antitumor activity by RTCA. A, Cytotoxic effect of NK-92 cells, NK-92-EV cells, and NK-92-αFR-28BBζ cells on SK-OV-3 cells. The E/T ratios are indicated in the figure. B, Cytotoxic effects of NK-92 cells, NK-92-EV cells, and NK-92-αFR-28BBζ cells on A-431 cells. The E/T ratios are indicated in the figure. All the data are expressed as the means±SEM of triplicate samples.
