NFKB1 and breast cancer: RELA was overexpressed in lymph node positive vs. negative luminal A primary tumors in the set of 48 luminal A breast tumors at both protein and transcript level together with another NF-κB modulators (Table S5, [64]) that exhibited activating role on migration and invasion capacity of MCF7 breast cancer cells (Figure 3B in [94] and Figure 1C in [95]).