IL-5 and IL-13 have been reported to stimulate eosinophil activation and induce eosinophilia and ciliated epithelial cell hypertrophy in the respiratory tissue (Schmid-Grendelmeier et al., 2002; Takatsu and Nakajima, 2008; Tanabe et al., 2008). The gene discussed is IL5; the disease is Increased total eosinophil count.