IL15 and nasopharyngeal carcinoma: In addition, the overlap analysis of 2434 upregulated genes in C666‐1 cells and NPC tissues revealed that 484 of them are overlapped, as well as some immune‐ and inflammation‐related genes including CXCL10, IL15, IL32, IL7R, NFKB2, PSMA2, PSMB2, SOCS2, TRAF1, and TNFSF9 (Figure 1F).