These include inflammatory cytokines IL4 (z = 0.096, p = 7.25 × 10−10, Supplementary Fig 3B) and TGFβ1 (z = −1.711, p = 5.47 × 10−8, Supplementary Fig 3C), both of which are known to play key roles in asthma. This evidence concerns the gene IL4 and asthma.