Figure 3From: Characterization of DNase activity and gene in Streptococcus suis and evidence for a role as virulence factorQuantification of pro-inflammatory cytokines and MMP-9 produced by macrophages stimulated with S. suis P1/7 and M2D. Secretion of IL-6 (panel A), CXCL8 (panel B), TNF-α (panel C) and MMP-9 (panel D) by macrophages stimulated with cells of S. suis P1/7 and its DNase-deficient mutant M2D at MOIs of 10, 50, and 100. *: p < 0.05. ■ S. suis P1/7, □ S. suis M2D.Back to article page