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. 2022 Jul 26;13:953714. doi: 10.3389/fimmu.2022.953714

Figure 1.

Figure 1

IL-17 is necessary to maintain asthmatic phenotype in HDM-induced murine model. (A) The level of IL-17A in mouse Bronchoalveolar lavage fluid (BALF) detected by Bio-Plex. N=10. (B, C) IHC staining (B) and quantitative analysis (C) of IL-17 positive cells in mouse lung tissue section. The brown area represents IL-17 positive. Black arrows indicate stained macrophage. Scale bar =50μm. N=10. (D, E) IHC staining (D) and quantitative analysis (E) of airway smooth muscle mass (indicated by Alpha-Smooth Muscle Actin) in mouse lung tissue section. The brown areas represent the airway smooth muscle cells. Scale bars= 100μm. N=10. (F, G) collagen deposition analysis in mouse lung tissue. Collagen was stained by Picro Sirius red, the color red indicates the positive staining. Scale bars=100μm. N=10. *, P<0.05, **, P<0.01, ***, P<0.001. n.s., not statistically significant.