By hematoxylin and eosin (H&E) staining, a significant increase of infiltration of inflammatory cells and eosinophils around blood vessels and bronchioles were observed in the lungs of G2 group of mice relative to the G1 control group, indicating the establishment of asthma-related lesions by TSLP/OVA administration (Figure 3D). The gene discussed is TSLP; the disease is asthma.