Expression levels of IL1RL1 (P = 0.0002 vs. MA, P = <0.0001 vs. SA) and STAT6 (P = 0.0079 vs. MA, P = <0.0001 vs. SA) were significantly higher in mild-moderate and severe asthma compared to controls (Figures 6F,G). Here, IL1RL1 is linked to asthma.