YTHDF1 and Merkel cell skin cancer: The epigenetic reader of the N6-methyladenosine modification of m6A RNA, called YTH N6-methyladenosine RNA binding protein 1 (YTHDF1), was further characterized and distinguished by its overexpression in Merkel cell carcinoma, indicating its involvement in the Merkel cell polyoavirus (MCPyV) gene expression [101].