marginal significancep = 0.053
S 5 ). After co-culture with irradiated LuM-1 cells and rIL-2 for 12 days, splenocytes in RT and anti-CD73 mAb treated mice tended to show increased cytotoxicity against LuM-1 with marginal significance (12.8 ± 1.5% vs 7.8 ± 2.8% at E/T ratio = 20, p = 0.053, n = 3) (Fig. 4 c).