MYC and breast cancer: Similarly, in a MYC knockdown experiment in medulloblastoma (GSE22139) [39] and in an induced Myc expression experiment in MCF-7 breast cancer cells (GSE11791) [40], MYC ranked first and second in the confidence levels and was correctly predicted by 6 or 5 out of 6 tools respectively (Fig 3C and 3D and S19 and S20 Tables in S1 Data).