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. 2019 May 28;9:425. doi: 10.3389/fonc.2019.00425

Figure 5.

Figure 5

Determination of regulatory T cell (Treg) activity induced by H-1PV infected and uninfected Mz7Mel. Treg* functioned as positive control and are activated with functional anti CD3 and anti CD28. Measurement of proportion of CD4+FoxP3+GranzymB+ cells by FACS analysis (A) and determination of the IL-10 (B) and TGF-ß (C) level in the supernatant (ELISA) with and without ipilimumab and nivolumab. Experiments were performed independently as triplicate *P ≤ 0.05; **P ≤ 0.01; ***P ≤ 0.001. ELISA, enzyme linked immunosorbent assay; FACS, fluorescence-activated cell sorting.