Tanshinone, a lipophilic component of Salvia miltiorrhiza, is used to treat diseases like atherosclerosis, hypertension, Alzheimer's disease, and diabetes mellitus through its pharmacological activities like anti-inflammatory, anti-oxidant, and anti-tumor. Excessive inflammation is the primary cause of bone diseases such as osteoporosis and rheumatoid arthritis, affecting more than millions of people across the globe. Recently, tanshinone has shown potential benefits against bone diseases by modulating signaling pathways accountable for the proliferation and differentiation of bone cells. In vitro and in vivo studies reported that tanshinone promotes osteoblast formation and mineralization and suppresses excessive bone resorption during disease conditions. In this review, we have summarized the beneficial effects of tanshinone and other extracts of Salvia miltiorrhiza for bone health and their potential molecular targets in signaling.
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