LC, a novel estrone-rhein hybrid compound, concurrently stimulates osteoprotegerin and inhibits receptor activator of NF-κB ligand (RANKL) and interleukin-6 production by human osteoblastic cells - Wang, Y; Li, L Z; Zhang, Y L; Zhu, Y Q; Wu, J; Sun, W J (Mol Cell Endocrinol, 2011)