Lappaconitine, a C18-diterpenoid alkaloid, exhibits antihypersensitivity in chronic pain through stimulation of spinal dynorphin A expression. - Sun, Ming-Li; Ao, Jun-Ping; Wang, Yi-Rui; Huang, Qian; Li, Teng-Fei; Li, Xin-Yan; Wang, Yong-Xiang (Psychopharmacology, 2018)