Primary mesothelial cells from WT mice, immortalized cells iMeso-WT1, iMeso-NF3, and mesothelioma cells from the lines AK7 and RN5, all derived from a C57Bl/6J background, were injected (4 × 105 cells) subcutaneously into the right flank of C57Bl/6J mice. Here, WT1 is linked to mesothelioma.