YTHDF1 (p < 0.001), HNRNPA2B1 (p < 0.001), HNRNPC (p < 0.001), LRPPRC (p < 0.001), KIAA1429 (p < 0.001), RBM15 (p < 0.001), FMR1 (p < 0.01), IGF2BP1 (p < 0.01), YTHDF2 (p < 0.05), and IGF2BP3 (p < 0.05) were over-expressed at the mean level in breast cancer tissues compared with normal tissues, while ZC3H13 (p < 0.001), METTL14 (p < 0.001), YTHDC1 (p < 0.001), WTAP (p < 0.001), IGF2BP2 (p < 0.001), FTO (p < 0.001), and METTL16 (p < 0.001) were found to be under-expressed in breast cancer tissues in comparison with normal tissues (Figures 2A,B). This evidence concerns the gene YTHDF1 and breast cancer.