MBD2 and cancer: The modification of m6A is reversible and is regulated by the “writers” (methyltransferases), “readers” (m6A-binding proteins) and “erasers” (demethylases), which are thought to be vital in the development of various diseases, such as cancer (Liu et al., 2018), CVD (Dorn et al., 2019) and aging (Min et al., 2018).