BCL2L1 and neoplasm: Interestingly, MB and enriched MB‐tumor stem cells (TSCs) extremely secreted antiapoptotic genes such as Bcl‐2, Bcl‐xL, Bcl‐xS, Bax, Bak, Bim, c‐FLIP, and caspase 8 following IR (Figure 2).14, 49, 68, 73, 74