IFNG and neoplasm: And the results of Elisa assay demonstrated that there was no significant difference in the contents of IFN-γ and granzyme B in the culture medium of activated magnetic OT-I T cells (DBMN-T) and activated unmodified OT-I T cells (Nor-T) incubated with E.G7-OVA tumor cells for 24 h (Fig. 2B, C).