NFKB1 and esophageal squamous cell carcinoma: This is supported by the observation that transfection of NF-κB/RelA antisense oligodeoxynucleotide reduces the proliferation of SGC-7901 gastric cancer cells [35] and that siRNA-mediated RelA knock-down decreased the proliferation ability of human esophageal squamous cell cancer (ESCC) EC9706 cells [36].