However, FOXP1 translocations have been described previously in both lymphoid and myeloid leukemias (B-ALL10,11 and myeloproliferative disorder12) with various partner genes such as ABL1, PAX5, and PDGFR, suggesting a role of this gene in both myeloid and lymphoid lineage leukemias. The gene discussed is PDGFRB; the disease is myeloid leukemia.