The results revealed that the protein levels of LPS (2,424 ± 153.2 pg/ml), IL1-β (0.132 ± 0.048 pg/ml), IL-6 (10.64 ± 2.85 pg/ml), and TNF-α (1.06 ± 0.11 g/ml) in the plasma of SDF rats were significantly higher than those of CF rats (Fig. 3A, superior section). Here, IL1B is linked to cystic fibrosis.