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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Theabrownin suppresses in vitro osteoclastogenesis and prevents bone loss in ovariectomized rats.

Abstract Source:

Biomed Pharmacother. 2018 Oct ;106:1339-1347. Epub 2018 Jul 23. PMID: 30119205

Abstract Author(s):

Titi Liu, Zemin Xiang, Fei Chen, Dan Yin, Yewei Huang, Jing Xu, Lihong Hu, Huanhuan Xu, Xuanjun Wang, Jun Sheng

Article Affiliation:

Titi Liu

Abstract:

Drinking tea exhibits beneficial effects on bone health and may protect against osteoporosis, particularly in postmenopausal women. Theabrownin (TB) is the main component responsible for the biological activities of Pu-erh tea, but whether it possesses anti-osteoporotic potential remains unknown. Here we investigated the in vitro and in vivo anti-osteoporotic effects of TB in the RAW 264.7 cell line and ovariectomized (OVX) rats, respectively. Our in vitro studies showed that TB significantly suppressed RANKL-induced osteoclastogenesis and the expression of related marker proteins, including NFATc1, TRAP, c-Fos, and cathepsin K. In vivo studies showed that TB treatment effectively ameliorated blood biochemical parameters, organ weights and organ coefficients in OVX rats. In addition, TB treatment significantly improved femoral bone mineral density (BMD) and biomechanical properties. What's more, TB treatment strikingly ameliorated bone microarchitecture in OVX rats because of increased cortical bone thickness and trabecular bone area in the femur. Our study therefore demonstrated that TB can inhibit RANKL-induced osteoclastogenesis in vitro and prevent bone loss in ovariectomized rats. Consequently, TB has a promising potential in postmenopausal osteoporosis treatment.

Study Type : Animal Study, In Vitro Study

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Depression: 21st Century Solutions + The Dark Side of Wheat

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