期刊
IRANIAN JOURNAL OF PUBLIC HEALTH
卷 48, 期 11, 页码 1960-1970出版社
IRANIAN SCIENTIFIC SOCIETY MEDICAL ENTOMOLOGY
关键词
Taurine; Osteoporosis; Osteoblast; Ovariectomized rat
资金
- Basic Science Research Program through the National Research Foundation of Korea [NRF-2018R1D1A1B07048282]
Background: We aimed to elucidate the preventive effects of taurine against osteopenia in ovariectomized (OVX) rats and the mechanisms by which taurine regulates osteoblastogenesis in vitro and in vivo. Methods: The effects of the taurine on human osteoblast MG-63 cell differentiation and osteoblastogenesis effect in OVX rat were examined Konkuk University in 2018 by evaluating osteoblast differentiation, and expression of osteoblast-specific factors by western blotting analysis. Results: Taurine supplementation significantly improved alkaline phosphatase (ALP) activity and mineralization in a concentration-dependent manner. Further, taurine induced the expression of osteogenic growth factors such as bone morphogenetic protein-2 (BMP-2), runt-related transcription factor 2 (RUNX2), small mothers against decapentaplegic 1/5/8 (SMAD1/5/8), wingless-type IVFMTV integration site family member 3A (Wnt3a), and collagen type 1 (COL-1) via mitogen-activated protein kinase (MAPK) and serine/threonine protein kinase (Akt). Moreover, the RUNX2 activity of the taurine-treated group was enhanced by protein-protein interactions such as Wnt3a-inducedp-AKT/RUNX2 and BMP-mediated SMADs/MAPK/RUNX2 interactions. Conclusion: Our in vitro and in vivo results suggested that taurine can be considered as a potential therapeutic candidate agent for preventing bone loss in postmenopausal osteoporosis.
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