Hierarchically clustered heatmap of genes in IPA antigen presentation path in the 4 studies discussed in this review. Fold change presented in log base 2 units. Genes (top to bottom): HLA-DPA1, MR1, HLA-DOA, HLA-DOB, TAP2, HLA-DPB1, HLA-DMA, HLA-DRB1, HLA-E, HLA-C, HLA-B, HLA-A, MHC I-β. HLA-F, HLA-G, CALR, TAP1, HLA-DMB, CLIP, LMP7, LMP2, HLA-DQA1, LMPY, TPN, HLA-DRB4, LMPX, CNX, HLA-DRA.