NFKB1 and non-small cell lung carcinoma: To investigate whether NF-κB plays a critical role in PL-induced NSCLC cell growth inhibition, we pretreated the NSCLC cells with NF-κB inhibitor PAO (0.1 μM for 1 h, and then these cells were treated with PL (10 μM) for 24 h to assess cell viability.