As shown in Fig. 5 A, quantitative reverse transcription PCR (qRT-PCR) confirmed the higher expression of SLC35G6, MUC4, TP53BP2, PDIA4, HDAC1 and MDM2 in most DLBCL cell lines compared with LCL (lymphoblastoid cell lines). This evidence concerns the gene PDIA4 and diffuse large B-cell lymphoma.