IFNG and infection: Then, ELISA was utilized to measure IFN-γ levels secreted by nonpeptide-loaded (mDC-CTL) and peptide-loaded (mDC-p1-CTL, mDC-p2-CTL, and mDC-p3-CTL) groups at different multiplicity of infection (10 : 1, 40 : 1, and 80 : 1) in vitro.