Attempts to detect OCT family members by western blotting were also unsuccessful, in line with proteomic analyses of tPTEN−/− T-ALL cells, in which no expression of any member of the OCT family was detected (data deposited with ProteomeXchange Consortium: PXD006209 [Grzes et al., 2017]). This evidence concerns the gene PLXNA2 and acute lymphoblastic leukemia.