FOXP1 and diffuse large B-cell lymphoma: The FOXP1 gene is located on chromosome 3 and is expressed in normal activated B-cells and in a subset of DLBCL with a predominantly non-GC phenotype (Fig. 3) (Barrans et al. 2004; Hans et al. 2004; Banham et al. 2005; Wlodarska et al. 2005).