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  4. Advanced glycation end-products induced VEGF production and inflammatory responses in human synoviocytes via RAGE-NF-κB pathway activation
 
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Advanced glycation end-products induced VEGF production and inflammatory responses in human synoviocytes via RAGE-NF-κB pathway activation

Journal
Journal of orthopaedic research : official publication of the Orthopaedic Research Society
Journal Volume
34
Journal Issue
5
Pages
791
Date Issued
2016-05
Author(s)
Chen, Ying-Ju
DING-CHENG CHAN  
CHIH-KANG CHIANG  
CHING-CHIA WANG  
TING-HUA YANG  
Lan, Kuo-Cheng
SUNG-CHUAN CHAO  
KEH-SUNG TSAI  
RONG-SEN YANG  
SHING-HWA LIU  
DOI
10.1002/jor.23083
URI
https://scholars.lib.ntu.edu.tw/handle/123456789/593856
URL
https://scholars.lib.ntu.edu.tw/handle/123456789/522973
Abstract
Aging and diabetes are known to be the major cause to affect the progression of osteoarthritis (OA). Advanced glycation end products (AGEs) have been observed to accumulate in various organs especially in joint tissue and do damage to the joint tissue during aging and diabetes. Synovial angiogenesis and inflammation are observed across the full range of OA severity. The signaling pathway of AGEs on vascular endothelial growth factor (VEGF) production and inflammatory responses in synoviocytes are still unclear. Here, we investigated the role of receptor for AGEs (RAGE) and the signaling pathway involved in AGEs-induced VEGF production and inflammatory responses in human synoviocytes. Human synoviocytes were cultured and treated with AGEs (25-100 µg/ml). AGEs significantly induced the protein expressions of cyclooxygenase-2 (COX-2) and VEGF and the productions of prostaglandin-E2 (PGE2), VEGF, interleukin-6 (IL-6), and metalloproteinase-13 (MMP-13) in human synoviocytes in a dose-dependent manner. Moreover, AGEs markedly activated the phosphorylations of IκB kinase (IKK)α/β, IκBα, and nuclear factor (NF)-κB-p65 proteins in human synoviocytes in a time-dependent manner. Treatment with neutralizing antibody for RAGE statistically significantly decreased the AGEs-induced increase in COX-2, VEGF, PGE2, IL-6, and MMP13 and AGEs-activated NF-κB pathway activation. Taken together, these findings indicate that AGEs are capable of inducing VEGF production and inflammatory responses via RAGE-NF-κB pathway activation in human synoviocytes. © 2015 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 34:791-800, 2016.
Subjects
advanced glycation end products (AGEs); osteoarthritis; receptor for AGEs (RAGE); synoviocytes; vascular endothelial growth factor
SDGs

[SDGs]SDG3

Other Subjects
advanced glycation end product; advanced glycation end product receptor; cyclooxygenase 2; I kappa B kinase alpha; I kappa B kinase beta; immunoglobulin enhancer binding protein; interleukin 6; metalloproteinase; prostaglandin E2; transcription factor RelA; vasculotropin; advanced glycation end product; advanced glycation end product receptor; collagenase 3; cyclooxygenase 2; I kappa B; IL6 protein, human; immunoglobulin enhancer binding protein; interleukin 6; MMP13 protein, human; prostaglandin E2; PTGS2 protein, human; vasculotropin A; VEGFA protein, human; angiogenesis; Article; disease severity; enzyme phosphorylation; inflammation; priority journal; protein expression; signal transduction; synoviocyte; cell culture; human; inflammation; metabolism; synoviocyte; Cells, Cultured; Cyclooxygenase 2; Dinoprostone; Glycation End Products, Advanced; Humans; I-kappa B Proteins; Inflammation; Interleukin-6; Matrix Metalloproteinase 13; NF-kappa B; Receptor for Advanced Glycation End Products; Signal Transduction; Synoviocytes; Vascular Endothelial Growth Factor A
Publisher
WILEY
Type
journal article

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