Journal
ORIENTAL PHARMACY AND EXPERIMENTAL MEDICINE
Volume 16, Issue 1, Pages 53-57Publisher
SPRINGER
DOI: 10.1007/s13596-015-0214-6
Keywords
Eucommia ulmoides; Osteoporosis; Osteoblast; Osteoclast
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Funding
- Cooperative Research Program for Agriculture Science & Technology Development Rural Development Administration, Republic of Korea [PJ011668]
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Bone metabolism characterized by bone resorption by osteoclasts and bone formation by osteoblasts. Imbalances of osteoclast and osteoblast occurred bone diseases, such as osteoporosis. Eucommia ulmoide, which is a medicinal herb, has been used to treat various diseases. Recent studies showed that E. ulmoides has been studied to treat osteoporosis.The osteoblast-like Saos-2 cells were treated with E. ulmoides extract (0.1, 1 and 10 mu g/mL) for 24 h. Bone remodeling-related protein expressions and cell toxicity were examined to confirm the effects of E. ulmoides on regulation of osteoclastic and osteoblastic differentiation.The expression of receptor activator of nuclear factor-kappa B ligand (RANKL) was significantly decreased, while that of osteoprotegerin (OPG) was significantly increased by E. ulmoides treatment. In addition, runt-related transcription factor 2 (Runx2) and Osterix expressions were significantly increased by treatment with E. ulmoides. The cell viability was not changed in E. ulmoides-treated cells.These results demonstrate that E. ulmoides has promoting effects on bone formation as well as inhibitory effects on bone resorption with no toxicity in Saos-2 cells. Therefore, E. ulmoides may be used as an alternative treatment for osteoporosis.
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