Recent studies have reported the involvement of Rbm14 in NHEJ by recruiting XRCC4 and XLF through Ku80 in HeLa and glioblastoma cells.21, 22 In our work, however, we detected no interaction between RBM14 and Ku80 or other NHEJ repair factors (Figure S4B). This evidence concerns the gene XRCC5 and glioblastoma.