On investigating the growth inhibitory effects of AZD9291 on NSCLC and the underlying mechanism, we found that AZD9291 can trigger autophagy-mediated cell death in both A549 and H1975 cells by increasing the expression of phosphatidylethanolamine-modified microtubule-associated protein light-chain 3 (LC3) and decreasing the expression of p62.
After X-ray irradiation, the expression levels of GSK-3β and p62 were decreased in NSCLC tissues, and the expression levels of the autophagy-related protein LC3 were increased.
Immunohistochemical examination of human NSCLC (non-small cell lung cancer) tissues showed that VPRBP was positively correlated with p62 and negatively correlated with LC3B.