POSTN and asthma: Gene expression analysis revealed extensive transcriptomic changes, with 63% of assessed genes (8524/13,532) being differentially expressed (52% increase, 48% decrease), with the authors singling out Chemokine (C‐C motif) ligand 26 (CCL26), a chemokine elevated in asthmatic airways, as well as the T helper 2‐high asthma biomarkers Periostin (POSTN) and Serpin Family B Member 2 (SERPINB2).33, 34