METTL3 and ovarian cancer: Although some studies have demonstrated that the m6A writer METTL3, reader IGF2BP1, and eraser ALKBH5 are involved in the development of ovarian cancer (Hua et al., 2018; Müller et al., 2019; Zhu et al., 2019), little is known about the role of other m6A regulators in ovarian cancer.