For tumours LS3x, LS21, LS43 and MS8x, the genes ATF6 and DUSP12 showed the highest amplification level in general, 3–5 fold in LS3x and 5–10 fold in LS21 and LS43 (except ATF6), and particularly high copy numbers (>10 fold) in MS8x. This evidence concerns the gene ATF6 and neoplasm.