Transcriptome analyses reveal epigenetic and radiation related genes in NSCLC cell

Purpose: Radiotherapy is useful for non-small cell lung cancer (NSCLC) patients who cannot be treated surgically. Modification of histone proteins occurs during radiotherapy, and affects gene expression.In this study, we assessed the effects of radiotherapy on histone modification via 3-deazaneplanocin A (DZNep) in NSCLC cells. Methods: NCI-H460 NSCLC cell line were subjected to gamma irradiation. To reveal histone modification reagent DZNep targeted genes, we conducted mRNA-sequencing. Results: We evaluated the epigenetic regulation of autophagy-related genes by DZNep through mRNA-sequencing, and we identified genes that are differentially expressed upon irradiation, including a candidate histone modification target gene. We subjected DZNep- or DMSO-treated NCI-H460 cells exposed to 0 or 4 Gy of radiation to mRNA-seq and searched for differently differentially expressed genes.