Fig. 4From: A High-Throughput Assay for Screening of Natural Products that Enhanced Tumoricidal Activity of NK CellsScreening of natural products. Expanded NK cells were mixed with A549 cells in 96-well plates and natural products were added to a final concentration of 10 μM. Panel a, represents percentage increase of IFN-γ after normalization to DMSO control. Panel b, represents IFN-γ percentage ratio after normalization to IL-2 treatmentBack to article page