PROM1 and central nervous system cancer: Curiously, miR-219-5p, miR-33a, miR-101, and miR-129-5p have been identified in at least one other cancer as tumor suppressors [47]–[50], and miR-146b-5p has been described as preventing invasiveness in glioma [51], but in CD133+ GSCs these miRs are increased.