However, the percentage of IL5Rα(+)CRTAM(+) eosinophils in peripheral blood was not significantly different in patients with allergic asthma compared with healthy controls.<h4>Conclusions</h4>CRTAM expression on T cells, eosinophils, and neutrophils may be involved in bronchial inflammation in allergic asthma. Here, CRTAM is linked to allergic asthma.