PTPRC and neoplasm: CT-26 tumor tissues contained more infiltrates of T cells (CD45+ CD3+ CD11b-; Fig. 2B), dendritic cells (CD45+ CD11b + CD11c + MHCII+; Fig. 2C) and NK cells (CD45+ CD3- CD11b- CD355+; Fig. 2D) than Colon 26 tumor tissues.