Among various peptide vaccines, the notable targets are Wilms’ tumor 1 (WT-1) antigen, proteinase-3+ neutrophil elastase (PR-1), NY-ESO-1 peptide, preferentially expressed antigen of melanoma (PRAME) and receptor for hyaluronic acid-mediated motility (RHAMM) (Fig. 1). Here, WT1 is linked to melanoma.