MEF2B and diffuse large B-cell lymphoma: Recurrent point mutations in the histone acetyl transferase (HAT) recruiting gene myocyte enhancer binding factor 2B (MEF2B) have been also described in 15% of FL and 13% of DLBCL patients with germinal center B cell (DLBCL-GCB) subtype (Morin et al., 2011).