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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Lupeol Isolated from Sorbus commixta Suppresses 1α,25-(OH)2D3-Mediated Osteoclast Differentiation and Bone Loss in Vitro and in Vivo  [2016]

Im; Nam Kyung; Lee; Dong-Sung; et al.

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Lupeol is a lupane-type triterpene isolated from Sorbus commixta, an oriental medicine used to treat arthritis and inflammatory diseases. However, the antiosteoporotic effects of S. commixta or any of its constituents have not been studied yet. In the present study, we have examined the effect of lupeol (a major active triterpenoid isolated from S. commixta) on osteoclastogenesis and sought to elucidate its underlying molecular mechanisms. We evaluated whether lupeol antagonized osteoclast differentiation and bone resorption. Lupeol markedly inhibited osteoclast differentiation and bone resorption activity through its effects on MAP kinases and transcription factors (NF-κB, NFATc1, and c-Fos) downstream of the osteoclast differentiation factor receptor RANK. Furthermore, in vivo efficacy of lupeol was confirmed by using an animal model of hypercalcemic mediated bone loss. Taken together, lupeol showed strong inhibitory effects on osteoclastogenesis. Supplementation with S. commixta and lupeol could be beneficial for bone health or osteoclast-related diseases such as osteoporosis, Paget’s disease, osteolysis associated with periodontal disease, and multiple myeloma.
From the journal
Journal of natural products
ISSN : 1520-6025

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2017
Volume:
79 (2
Extent:
412-420
Publisher:
American Chemical Society and American Society of Pharmacognosy
All titles:
"Lupeol Isolated from Sorbus commixta Suppresses 1α,25-(OH)2D3-Mediated Osteoclast Differentiation and Bone Loss in Vitro and in Vivo"@eng
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2017
Volume:
79 (2
Extent:
412-420
Publisher:
American Chemical Society and American Society of Pharmacognosy
All titles:
"Lupeol Isolated from Sorbus commixta Suppresses 1α,25-(OH)2D3-Mediated Osteoclast Differentiation and Bone Loss in Vitro and in Vivo"@eng