PAK1 and lung cancer: Results showed that the combination of IPA-3 plus auranofin abrogated the expression of total/phosphorylation of PAK1, PKCι, ERK 1/2, mTOR, AKT, and YAP1 in the 3 lung cancer cell lines studied HCC827 (EGFR-mutant LUAD), H23 (KRAS-mutant LUAD) and H520 (PAK1 overexpression).