Cell surface CCR5 density determines the intensity of T cell migration towards rheumatoid arthritis synoviocytes

被引:15
作者
Desmetz, Caroline
Lin, Yea-Lih
Mettling, Clement
Portales, Pierre
Noel, Daniele
Clot, Jacques
Jorgensen, Christian
Corbeau, Pierre [1 ]
机构
[1] CNRS, Inst Genet Humaine, UPR 1142, F-34000 Montpellier, France
[2] Hop St Eloi, Immunol Lab, F-34000 Montpellier, France
[3] Inserm U475, F-34000 Montpellier, France
[4] Univ Montpellier I, UFR Med, F-34000 Montpellier, France
关键词
T lymphocytes; CCR5; migration; rheumatoid arthritis; chemokine;
D O I
10.1016/j.clim.2007.01.004
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
As we have recently shown that the number of CCR5 molecules at the cell surface determines the efficiency of its function as a chemokine receptor, we tested the hypothesis that cell surface CCR5 density could influence the intensity of T lymphocyte recruitment into the rheumatoid joint. For this purpose, we established two Jurkat cell line-derived clones that differed only by their cell surface CCR5 densities. We studied their chemotaxis towards TNF-alpha-transduced rheumatoid synoviocytes supernatant. The Jurkat cell subline that expressed the higher cell surface CCR5 density migrated more intensively towards the supernatant of TNF-alpha-transduced synoviocytes than the Jurkat cell subline that expressed a tower surface CCR5 density. Moreover, this migration was blocked by an anti-CCR5 mAb. The CCR5 density on T cell surface, which is constant over time for a given individual, but varies drastically from one individual to another, might thus be a factor determining the intensity of joint inflammation in the course of RA. (C) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码:148 / 154
页数:7
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