METTL14 and breast cancer: In regard to METTL14, currently available studies have demonstrated that it was significantly correlated with hepatocellular carcinoma, glioblastoma, acute myeloid leukemia, gastric cancer, and breast cancer (Cui et al., 2017; Ma et al., 2017; Weng et al., 2018; Wu et al., 2019; Zhang et al., 2019).