We next investigated H3K4me3, H3K27ac, and H3K27me3 histone marks around the TSSs of the known target genes of ASCL1 and NEUROD1, which were identified in SCLC-A and SCLC-N cell lines in a previous report [10] (Table S7 and Fig. 2B). Here, NEUROD1 is linked to small cell lung carcinoma.