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Cytotoxicity effect of P39 on tumor cell and killing effect of human PBMCs toward H460 cells. (A) Treated with different concentrations of P39, cell viability in A375 cells was measured using the xCELLigence system. (B) Cell impedance test was used to examine the killing effects of human PBMCs on H460 cells after treated with P39 (100 or 200 nmol/L) for 24 h.
