NFKB1 and urinary bladder carcinoma: Transactivation of NF‐κB can be initiated by a vast array of stimuli that have different biological activities, such as inflammation, immunity, differentiation, cell growth, tumorigenesis and apoptosis.28, 29, 30 A previous study reported that NF‐κB was frequently activated in bladder cancer.31, 32 We also have preliminary evidence demonstrating that QKI‐6 inhibits bladder tumorigenesis (data not shown).