CD40 LIGAND IS FUNCTIONALLY EXPRESSED ON HUMAN EOSINOPHILS

被引:121
作者
GAUCHAT, JF
HENCHOZ, S
FATTAH, D
MAZZEI, G
AUBRY, JP
JOMOTTE, T
DASH, L
PAGE, K
SOLARI, R
ALDEBERT, D
CAPRON, M
DAHINDEN, C
BONNEFOY, JY
机构
[1] GLAXO INST MOLEC BIOL,DEPT IMMUNOL,CH-1228 PLAN LES OUATES,SWITZERLAND
[2] GLAXO RES & DEV,GREENFORD,MIDDX,ENGLAND
[3] INST PASTEUR,F-59019 LILLE,FRANCE
[4] UNIV BERN,INSELSPITAL,CH-3010 BERN,SWITZERLAND
关键词
B CELLS; CD40; LIGAND; EOSINOPHILS; PROLIFERATION;
D O I
10.1002/eji.1830250335
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
CD40 ligand (CD40L), a surface molecule which can be expressed by T cells, mast cells and basophils, has been shown to be involved in the control of B cell proliferation, immunoglobulin class switching as well as in the activation of monocytes and T cells. We demonstrate that CD40L can also be expressed constitutively by eosinophils from an hypereosinophilic patient or, upon activation, by the eosinophilic cell line EOL-3 and normal blood eosinophils. Eosinophils were able to induce, in conjunction with IL-4, CD40L-dependent B cell proliferation in vitro. These results suggest that CD40L could play a role in the inflammatory processes during which eosinophil infiltration and activation are observed.
引用
收藏
页码:863 / 865
页数:3
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