Anti‐inflammatory effects of PRIMA‐1 (mutant p53 reactivator) induced by inhibition of nuclear factor‐κB on rheumatoid arthritis fibroblast‐like synoviocytes Mehrnoosh Adib1 · Mahdi Taghadosi1 · Mohammad Naghi Tahmasebi2 · Arash Sharafat Vaziri2 · Ahmadreza Jamshidi3 · Mahdi Mahmoudi3,4 · Elham Farh