YS-49 activates the PI3K/AKT signaling pathway in MC3T3-E1 cells to enhance osteoblast differentiation and inhibits glucocorticoid-induced bone loss in vivo. - Cao, Yuting; Yu, Yifan; Wang, Feng; Zhang, Kunqi; Jiang, Zengxin; Kang, Qinglin; Xu, Jia (BMC Musculoskeletal Disorders, 2025)