PGLYRP1 and neoplasm: To investigate the potential influence of the immune system and further study the possible role of PGLYRP1 in PDAC stemness, we performed an additional tumour formation assay in immunodeficient NOD.CB17-Prkdcscid/scid/Rj (NOD.SCID) mice injecting 103 cells, the limiting dilution obtained above.