ESR1 and osteoporosis: Niu et al. [86] examined a method for promoting bone regeneration in osteoporosis rats with defective extraction sockets to investigate the impact of BMSCs combined with fibrin glue on the healing of osteoporosis rats’ extraction sockets, as well as the role of estrogen receptors (ERs) in the differentiation of BMSCs and the reconstruction of alveolar bone in osteoporosis rats.