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Article Publish Status: FREE
Abstract Title:

Astilbin prevents bone loss in ovariectomized mice through the inhibition of RANKL-induced osteoclastogenesis.

Abstract Source:

J Cell Mol Med. 2019 12 ;23(12):8355-8368. Epub 2019 Oct 11. PMID: 31603626

Abstract Author(s):

Haiming Jin, Qingqing Wang, Kai Chen, Ke Xu, Hao Pan, Feifan Chu, Zhen Ye, Ziyi Wang, Jennifer Tickner, Heng Qiu, Chao Wang, Jacob Kenny, Huazi Xu, Te Wang, Jiake Xu

Article Affiliation:

Haiming Jin

Abstract:

Osteoporosis is the most common osteolytic disease characterized by excessive osteoclast formation and resultant bone loss, which afflicts millions of patients around the world. Astilbin, a traditional herb, is known to have anti-inflammatory, antioxidant and antihepatic properties, but its role in osteoporosis treatment has not yet been confirmed. In our study, astilbin was found to have an inhibitory effect on the RANKL-induced formation and function of OCs in a dose-dependent manner without cytotoxicity. These effects were attributed to its ability to suppress the activity of two transcription factors (NFATc1 and c-Fos) indispensable for osteoclast formation, followed by inhibition of the expression of bone resorption-related genes and proteins (Acp5/TRAcP, CTSK, V-ATPase-d2 and integrinβ3). Furthermore, we examined the underlying mechanisms and found that astilbin repressed osteoclastogenesis by blocking Caoscillations and the NF-κB and MAPK pathways. In addition, the therapeutic effect of MA on preventing bone loss in vivo was further confirmed in an ovariectomized mouse model. Therefore, considering its ability to inhibit RANKL-mediated osteoclastogenesis and the underlying mechanisms, astilbin might be a potential candidate for treating osteolytic bone diseases.

Study Type : Animal Study
Additional Links
Pharmacological Actions : Osteoprotective : CK(971) : AC(351)

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