In all three NSCLC cell lines, IL-8 was detected after 24 h, H460 cells produced 6153 pg ml−1 106 cells−1, MOR/P 584 pg ml−1 106 cells−1 and A549 357 pg ml−1 106 cells−1. This evidence concerns the gene CXCL8 and non-small cell lung carcinoma.