NFKB1 and neoplasm: In the subset of tumours suited for quantitative PCR analyses, we profiled the mRNA expression of RELA (encoding for RelA/p65) and a number of NF-κB target genes, such as BCL2L1 (Bcl-xL), CCND1 (Cyclin D1), CCND2 (Cyclin D2) and NFKBIA (IκBα).