HLA‐G expression is also altered in an asthma context3, 28; however the modulation of HLA‐G expression may also be driven by genetics: we previously described an association of specific HLA‐G haplotypes with severe asthmatic features or poor trend of cystic fibrosis and lung transplantation.29, 30. The gene discussed is HLA-G; the disease is cystic fibrosis.