Asperosaponin VI suppresses ferroptosis in chondrocytes and ameliorates osteoarthritis by modulating the Nrf2/GPX4/HO-1 signaling pathway - Zhang, Zhimeng; Yuan, Daotong; Jin, Ximin; Chang, Wenjie; Zhang, Yongkui; Xie, Wenpeng (Frontiers in Pharmacology, 2025)