Simian COS-7, NIH 3T3 fibroblasts, human T-cell lymphoma Jurkat, rabbit synovial fibroblasts, human cervix carcinoma HeLa, IκBα participation not specifically investigated: human vascular endothelial HUVEC, human astrocytoma cell line U-373-MG, non-transformed human colonic epithelial cell NCM460. The gene discussed is NFKBIA; the disease is T-cell non-Hodgkin lymphoma.