CDC20 and glioblastoma: An overexpression and/or oncogenic role of CDC20 has been already described in a variety of human solid tumors [9, 10] including pancreas [11, 12], breast [13, 14], lung [15, 16], prostate [17–19], gastric, colorectal [16, 18], hepatocellular [20, 21], kidney [22], ovarian cancer [23, 24], osteosarcoma [25–27] and glioblastoma [28, 29].