The combined effects of anti-TNFα antibody and IL-1 receptor antagonist in human rheumatoid arthritis synovial membrane

被引:20
作者
Hosaka, K
Ryu, J
Saitoh, S
Ishii, T
Kuroda, K
Shimizu, K
机构
[1] Nihon Univ, Sch Med, Dept Orthopaed Surg, Itabashi Ku, Tokyo 1738610, Japan
[2] Nihon Univ, Sch Med, Dept Immunol & Microbiol, Itabashi Ku, Tokyo 1738610, Japan
关键词
rheumatoid arthritis; synovial membrane; anti-TNF alpha antibody; IL-1 receptor antagonist; combination;
D O I
10.1016/j.cyto.2005.11.005
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
TNF alpha and IL-1 are the pivotal cytokines involved in rheumatoid arthritis (RA). More recently, the biological therapy targeting TNF alpha or IL-1 has been impressively effective for many RA patients, however, it remains insufficient in some patients. In the present study, we examined the combined effects of two agents against TNF alpha and IL-1 in human RA synovial membrane. Synovial explants (an ex vivo model) and synovial fibroblasts (an in vitro model) were prepared from 11 RA patients, and then anti-TNF alpha antibody (Anti-TNF alpha) and IL-1 receptor antagonist (IL-1Ra), either alone or in combination, were added to the synovial explants and fibroblasts. IL-6 and MMP-3 production were measured after incubation. As a result, their production significantly decreased by the combination of agents Iompared with the control group in both the synovial explants and fibroblasts. The efficacy of this combination was also observed for IL-6 production compared with each agent alone in the synovial explants, and for IL-6 and MMP-3 production compared with each agent alone in the synovial fibroblasts. Therefore, the combination of Anti-TNF alpha and IL-1Ra appears more beneficial in synovial membrane, particular when compared with a single agent alone. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:263 / 269
页数:7
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