Eight regulators, including KIAA1429, METTL16, WTAP, ZCCHC4, ALKBH5, YTHDF1, YTHDF2, and YTHDF3 exhibited significant correlations (R > 0.6) between gene expression levels and copy numbers in breast tumors (Figure 1C and Table S3). Here, YTHDF2 is linked to breast neoplasm.