CCL2 and allergic rhinitis: Table 3 shows the mean values of inflammatory cytokines (IL-1β, IFN-2α, IFN-γ, TNF-α, MCP-1, IL-6, IL-8, IL-10, IL-12p70, IL-17A, IL-18, IL-23 and IL-3) between groups of subjects with allergic rhinitis divided according to the severity of CM.