Dexamethasone inhibits Alternaria-induced type 2 lung inflammation. (A) Protocol for Alternaria-induced lung inflammation. Alt = intranasal Alternaria; Dex = gavage Dexamethasone. (B) Total BAL and lung eosinophils enumerated. (C) BAL IL-4, IL-5, and IL-13 were analyzed by ELISA. (D) BAL and lung CD4+T1/ST2+ cells enumerated. Data shown is representative of 2 independent experiments with 4 mice per group Alternaria challenged and 2 naïve mice. *P < 0.05, **P < 0.005, ***P < 0.001, Mann-Whitney test.