Document Detail


Therapeutic Potential of the Proteasome Inhibitor Bortezomib on Titanium Particle-Induced Inflammation in a Murine Model.
MedLine Citation:
PMID:  21965047     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Wear particle-induced aseptic loosening has been recognized as a harmful inflammatory process that jeopardizes the longevity of total joint replacement. The proteasome controls the activation of NF-κB and subsequent inflammatory mediators, such as TNF-α and IL-1β; thus, we investigated whether proteasome inhibition can ameliorate wear particle-induced inflammation in a murine model. A total of 48 BALB/C mice were divided into four groups. Titanium (Ti) particles were injected into the established air pouches of all mice (except negative controls) to provoke inflammation, and then 0.1 or 0.5 mg/kg of Bortezomib (Bzb, a proteasome inhibitor) was administered to ameliorate the inflammation response, while air pouches without Bzb administration were used as loading controls. The air pouches were harvested 2 or 7 days after Bzb injection for molecular and histological analyses. Inflammation responses in the air pouch tissues of Bzb treatment groups are lower than those in the Ti-stimulated group, and this occurs in a dose-dependent manner. Bzb can significantly attenuate the severity of Ti-induced inflammation in air pouches.
Authors:
Xin Mao; Xiaoyun Pan; Tao Cheng; Xianlong Zhang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-1
Journal Detail:
Title:  Inflammation     Volume:  -     ISSN:  1573-2576     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7600105     Medline TA:  Inflammation     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Orthopedics, The Sixth Affiliated People's Hospital, Shanghai Jiaotong University School of Medicine, 600 Yishan Road, Shanghai, 200233, China.
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