Title: Induction of NGF synthesis in astrocytes by onjisaponins of Polygala tenuifolia, constituents of kampo (Japanese herbal) medicine, Ninjin-yoei-to.
Journal: Phytomedicine : international journal of phytotherapy and phytopharmacology 20030301
Title: Wu AG, et al. Onjisaponin B derived from Radix Polygalae enhances autophagy and accelerates the degradation of mutant α-synuclein and huntingtin in PC-12 cells. Int J Mol Sci. 2013 Nov 15;14(11):22618-41.