MECP2 and neoplasm: There is accumulating evidence that miR-194-3p directly targets numerous oncogenes, including PRC1, RUNX2, DPAK1, MECP2, and MMP9, and suppresses tumor progression in different malignancies (Abuduaini et al., 2018; Zhou et al., 2018, 2020; Xu et al., 2019; Yi et al., 2019).