Distal airways are protected from goblet cell metaplasia by diminished expression of IL-13 signalling components. - Vock, C.; Yildirim, A. Ö.; Wagner, C.; Schlick, S.; Lunding, L. P.; Lee, C. G.; Elias, J. A.; Fehrenbach, H.; Wegmann, M. (Clinical & Experimental Allergy, 2015)