On the 7th day after tumor cell injection, the mice in each group began to receive the following treatments: [1] PBS (untreated mice), [2] 5 × 107 CD8+ T cells that had been co-cultured with peptide non-pulsed γδ T-APCs, [3] 5 × 107 CD8+ T cells that had been co-cultured with γδ T-IP and [4] 5 × 107 CD8+ T cells that had been co-cultured with γδ T-MAGEA3. Here, MAGEA3 is linked to neoplasm.