Cluster 3 highly expressed DEGs were mostly associated with Staphylococcus aureus infection, Hematopoietic cell lineage, production of intestinal immune network for IgA, Starch and sucrose metabolism, Human T-cell leukemia virus 1 infection, Inflammatory bowel disease, Renin-angiotensin system, Fluid shear stress and atherosclerosis, Asthma, and Longevity regulating pathway (Figure 9F). The gene discussed is REN; the disease is asthma.