CXCL1 and peritonitis: In addition, the concentration of pro-inflammatory cytokines TNF-α, IL-6, IL-1β (Figures 1D–F), KC (CXCL1) and MIP-2 (CXCL2) (Supplementary Figure 1) within the peritoneal lavage also demonstrated that SEMA7A holds protective potential during peritonitis.