Document Detail

Protective effect of tetrahydroxystilbene glucoside against hydrogen peroxide-induced dysfunction and oxidative stress in osteoblastic MC3T3-E1 cells.
MedLine Citation:
PMID:  22683865     Owner:  NLM     Status:  Publisher    
Oxidative stress can induce apoptosis and decrease activities of osteoblasts. 2,3,5,4'-tetrahydr-oxystilbene-2-O-β-D-glucoside (TSG), is a potent antioxidant derived from a Chinese herb Polygonum multiflorum Thunb. To evaluate the protective effect provided by TSG to osteoblastic MC3T3-E1 cells, the cells were pretreated with TSG for 24h before being treated with 0.3mM hydrogen peroxide(H(2)O(2))for 24h, then some markers of osteoblast function and oxidative damage of the cells were examined. Our data demonstrated that TSG significantly (P< 0.05) increased cell survival, alkaline phosphatase (ALP) activity, calcium deposition, and the mRNA expression of ALP, collagen I (COL-I) and osteocalcin (OCN) in the presence of H(2)O(2). In addition, TSG decreased the production of receptor activator of nuclear factor-κB ligand (RANKL), interleukin-6 (IL-6), intracellular reactive oxygen species and malondialdehyde (MDA) of osteoblastic MC3T3-E1 cells induced by H(2)O(2). Taken together, these results demonstrated that the protective effect provided by TSG to osteoblastic MC3T3-E1 cells was mediated, at least in part, via inhibition of the release of bone-resorbing mediators and oxidative damage of the cells. Our results indicated that TSG may be effective in providing protection against osteoporosis associated with oxidative stress.
Jin-Kang Zhang; Liu Yang; Guo-Lin Meng; Jing Fan; Jian-Zong Chen; Qi-Zhen He; Shi Chen; Jin-Zhu Fan; Zhuo-Jing Luo; Jian Liu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-7
Journal Detail:
Title:  European journal of pharmacology     Volume:  -     ISSN:  1879-0712     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  1254354     Medline TA:  Eur J Pharmacol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier B.V.
Institute of Orthopedic Surgery, Xijing Hospital, Four Military Medical University, Xi'an, 710032, People's Republic of China.
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