Through Immunoblot, we confirmed that the knockdown of DLX4 suppressed the expression of both YB-1 and CKS-2 in NCI-H2170 and A549 cells, suggesting the suppression of YB-1/CKS-2 axis in NSCLC cells (Figure 5a). This evidence concerns the gene YBX1 and non-small cell lung carcinoma.