However, pretreatment was sufficient to accelerate the resolution of lung neutrophilia in CF mice, decrease the numbers of Ly6C+ inflammatory monocytes and activated T cells, and normalize the levels of the proinflammatory cytokines IL-6, IL-17, IL-12p70, and IP-10 in BALF samples (Fig. 5h). This evidence concerns the gene IL17A and cystic fibrosis.