The ibuprofen-treated increase in ALKBH5 and FTO indicates that it might not participate in the increase of m6A-p75NTR in gastric cancer cells, so that the increase in m6A-p75NTR was the result of increase in ibuprofen-induced decrease in METTL3 and METTL14. Here, METTL3 is linked to gastric cancer.