Nerve growth factor derived from bronchial epithelium after chronic mite antigen exposure contributes to airway hyperresponsiveness by inducing hyperinnervation, and is inhibited by in vivo siRNA. - Ogawa, H.; Azuma, M.; Uehara, H.; Takahashi, T.; Nishioka, Y.; Sone, S.; Izumi, K. (Clinical & Experimental Allergy, 2012)