RELB and myelodysplastic syndrome: Moreover, the expression of genes involved in macrophage and granulocyte differentiation (PRKX [31], RELB [32] and CSF3R [33]), cell proliferation (PIP4K2A [34]) and anti-apoptotic regulator B cell lymphoma 2 (BCL2 [35]) were also higher in MDS/sAML (Fig. 2F).