Gene expression of IFN-γ in spleen cells of asthma groups treated with medium and high concentrations of the extracts (400 and 800 μg/ml; p < 0.05 for both cases) and that of FOXP3 in the group treated with medium extract concentration (p < 0.001) were significantly increased compared to untreated asthma group (Figures 4B, 5B). This evidence concerns the gene FOXP3 and asthma.