This finding is in line with other studies of asthma that demonstrated the complex immunopathogenesis of the disease, which involves other CD4+ T‐cell subtypes in lung disease, such as Th17 and IL‐17+IL‐4+CD4+ T‐cells.10, 12, 13, 14, 15, 16, 17. The gene discussed is IL17A; the disease is asthma.