METTL14 and nasopharyngeal carcinoma: Consistently, qRT‐PCR and Western blot assays demonstrated that, in the METTL14‐overexpressing NPC cells, METTL14 expression was significantly upregulated, and in the METTL14‐knockdown NPC cells, METTL14 expression was downregulated (Figure S1D and Figure 1C).