IL-4 receptor signaling in Clara cells is required for allergen-induced mucus production.
Kuperman DA, Huang X, Nguyenvu L, Hölscher C, Brombacher F, Erle DJ. IL-4 receptor signaling in Clara cells is required for allergen-induced mucus production. J Immunol. 2005 Sep 15; 175(6):3746-52.