IGFBP3 and neoplasm: However, the levels of nuclear NF-κB signal were higher in irradiated IGFBP3-expressing tumor cells (n = 60; 5.967 ± 0.857 per field) than in those in control sections (n = 60; 4.3 ± 0.4287 per field; p = 0.0846; Fig. 6f, g).