SLC26A4 and chronic obstructive pulmonary disease: Selective inhibition of pendrin could be an intriguing new strategy for asthma/COPD therapy, but as noted above, pendrin contributes to the secretion of SCN−, a substrate of lactoperoxidase for the production of the protective, antimicrobial OSCN− [74], and this should be taken into account when exploring novel treatment avenues.