Aberrant expression of proteins that regulate m6A RNA methylation, such as METTL14, is associated with the development of various human cancers, including breast cancer (1), hepatocellular carcinoma (5), colorectal cancer (6), pancreatic cancer (7), renal clear cell carcinoma (8), bladder cancer (9), and head and neck squamous cell carcinoma (10). Here, METTL14 is linked to cancer.