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. 2017 Aug 28;8:1039. doi: 10.3389/fimmu.2017.01039

Figure 4.

Figure 4

The interferon regulatory factors (IRFs) 1, 3, and 7 are involved in interferon (IFN)-β expression by dendritic cells (DCs) following infection with Streptococcus suis. S. suis-induced IRF1, IRF3, and IRF7 mRNA expression by DCs 6 h following infection with the different strains (A). IFN-β mRNA expression induced by the different S. suis strains following infection of IRF1−/−, IRF3−/−, or IRF7−/− DCs in comparison with cells from wild-type mice (B). Data represent the mean ± SEM (n = 4). ** (p < 0.01) indicates a significant difference between expression by wild-type and deficient DCs.