Further, JMJD2B or JMJD2C mRNA are overexpressed in medulloblastomas, JMJD2A-C mRNA upregulation was noted in prostate tumors and JMJD2B/C mRNA levels are also enhanced in many breast tumors [8], [61]–[63]. The gene discussed is KDM4C; the disease is medulloblastoma.