Consistent with the data obtained with OA, more selective PP2A inhibitor LB-100 [28] also prevented ruxolitinib-induced autophagy (Supplementary Figures 3E,F) and increased the effect of ruxolitinib on the number of erythroid clones in MPN patients’samples (Supplementary Figure 3G). This evidence concerns the gene PTPA and myeloproliferative neoplasm.