Sargachromanol G inhibits osteoclastogenesis by suppressing the activation NF-kappa B and MAPKs in RANKL-induced RAW 264.7 cells
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Title
- Sargachromanol G inhibits osteoclastogenesis by suppressing the activation NF-kappa B and MAPKs in RANKL-induced RAW 264.7 cells
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Author(s)
- Yoon, Weon-Jong; Kim, Kil-Nam; Heo, Soo-Jin; Han, Sang-Chul; Kim, Jihyeon; Ko, Yeong-Jong; Kang, Hee-Kyoung; Yoo, Eun-Sook
- KIOST Author(s)
- Heo, Soo Jin(허수진)
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Alternative Author(s)
- 허수진
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Publication Year
- 2013-05-17
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Abstract
- Inflammatory cytokines play a major role in osteoclastogenesis, leading to the bone resorption that is frequently associated with osteoporosis. Sargachromanol G (SG), isolated from the brown alga Sargassum siliquastrum, inhibits the production of inflammatory cytokines. In the present study, we determined the effect of SG on receptor activator of NF-kappa B ligand (RANKL)-induced osteoclast formation. SG inhibited RANKL-induced osteoclast differentiation from RAW264.7 cells without signs of cytotoxicity. Additionally, the expression of osteoclastic marker genes, such as tartrate-resistant acid phosphatase (TRAP), cathepsin K (CTSK), matrix metalloproteinase 9 (MMP9), and calcitonin receptor (CTR), was strongly inhibited. SG inhibited RANKL-induced activation of NF-kappa B by suppressing RANKL-mediated I kappa B-alpha, degradation. Furthermore, SG inhibited RANKL-induced phosphorylation of mitogen activated protein kinases (p38, JNK, and ERK). This study identified SG as an inhibitor for osteoclast formation and provided evidence that natural compounds, such as SG, are alternative medicines for preventing and treating osteolysis. (C) 2013 Elsevier Inc. All rights reserved.
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ISSN
- 0006-291X
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/3192
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DOI
- 10.1016/j.bbrc.2013.04.046
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Bibliographic Citation
- BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, v.434, no.4, pp.892 - 897, 2013
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Publisher
- ACADEMIC PRESS INC ELSEVIER SCIENCE
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Subject
- RECEPTOR ACTIVATOR; C-JUN; DIFFERENTIATION; EXPRESSION; SARGASSUM; OSTEOPETROSIS; FAMILY; GENE; FOS; ERK
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Keywords
- RANKL; Osteoclastogenesis; Sagachromanol G (SG); Osteoclastogenic marker gene; MARK; NF-kappa B
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Type
- Article
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Language
- English
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Document Type
- Article
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