MCM7 and nonpapillary renal cell carcinoma: MCM7–miR-106b-25 complex consists of MCM7 “host gene” and three intronic microRNAs (miR-106b-5p, 93-5p, and 25-3p), localized on the 7q22 locus frequently amplified in human cancers, including ccRCC [38,39,40].