IL17A and asthma: The asthma exacerbation children exhibited higher IgE concentration, eosinophil count, IL-4, and IL-17A levels than asthma remission children and healthy children (p < 0.001); the asthma remission children had higher IgE concentration, eosinophil count, IL-4, and IL-17A levels than healthy children (p < 0.001, Table 2).