To confirm these findings, we transfected NQO1-expressing cancer cells with siCont and pCont, sic-Fos and pCont or sic-Fos and pCKS1B, and NQO1-deficient cancer cells with pCont and siCont, pc-Fos and siCont or pc-Fos and siCKS1B. Here, NQO1 is linked to cancer.