METTL3 and nasopharyngeal carcinoma: Compared with the NNM tissue, METTL3 expression was downregulated in NPC tissues (p < 0.01), and METTL3 expression was lower in metastatic NPC tissues than in non-metastatic NPC tissues (p < 0.01), indicating that METTL3 expression is downregulated during the occurrence and metastasis of NPC (Figure 7A, Figure S6, and Table 2).