NANOG and diffuse large B-cell lymphoma: RNA in situ hybridization further corroborated mRNA expression of NANOG and HOXA9 in BLS-type DLBCL (NANOG, 3/9; HOXA9, 2/9) and immunofluorescence confirmed the cytoplasmic localization of NANOG in DLBCL cell lines (Supplementary Fig. S8).