CD8A and neoplasm: The control group, which was treated with PBS, had the largest tumours (1744 ± 63 mm3), while the groups treated with OT-I CD8+ T cells without APS-MNPs or with APS-MNP-loaded OT-I CD8+ cells showed the lowest tumour growth (662 ± 391 mm3 and 590 ± 315 mm3, respectively).