Fig. 2

Cytokines and transcription factors related to Th17 cells and Treg cells. ELISA showing IL-17A, IL-10, CCL20, and CCR6 protein expression levels (A). Western blot analysis and quantification of western blotting showing RORγt and Foxp3 (B). The immunohistochemistry staining and the mean optical density of RORγt (C) and Foxp3 (D) in the lung tissue. Data are expressed as mean ± standard deviation (SD). *P < 0.05, **P < 0.01