FTO and gastric cancer: FTO is involved in chemotherapy resistance in various tumor types, including colorectal cancer (Lin et al., 2023a; Wang et al., 2022b), breast cancer (Ou et al., 2022; Wang et al., 2021), acute myeloid leukemia (Zhang et al., 2023), gastric cancer (Liu et al., 2023), and glioblastoma (Li et al., 2021).