In an analysis of three human cancer databases11 that examined the relationship between WTAP expression and the prognosis of breast cancer patients, reduced WTAP expression was associated with poor survival in one database, and increased WTAP expression was associated with poor survival in another one database, while the results of the two microarrays in the third database are opposite, showing the same result of the first and second database above, respectively. Here, WTAP is linked to cancer.