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Bulk killing of RPMI 8226 (black), NCI-H929 (dark gray), and U266 (light gray) MM cell lines and K562 positive control (white) by NK-92 (A) and KHYG-1 (B). (C) Flow cytometry cytotoxicity gating strategy: CD7 negative target cells were selected and cell death was detected with 7-AAD and Annexin V. (D) NK-92 flow cytometry cytotoxicity. (E) KHYG-1 flow cytometry cytotoxicity.
