BMI1 and medulloblastoma: Analysis of two publicly available datasets, GSE3526 [49] and GSE37418 [50], revealed that compared to normal cerebellum, human medulloblastoma tumors showed decreased ATP1B1 and increased Bmi1 levels across all subgroups with a p-value of 4.1e-07 (ATP1B1) and 9.2e-28 (Bmi1).