Although Pu-Yuan Chang et al [59] found that LMP1 can sensitize nasopharyngeal carcinoma cells to genotoxic drugs (cisplatin, etoposide, and adriamycin), but the cell line CG-1 in above study was difference from the cell lines used in our study including the region, histopathology and the way of EBV infection. This evidence concerns the gene PDLIM7 and Epstein-Barr virus infection.