Ly1(-) (CD5(-))B cells produce interleukin (IL)-10

被引：22

作者：

Gieni, RS

Umetsu, DT

DeKruyff, RH

机构：

[1] Department of Pediatrics, Stanford University, Stanford

来源：

CELLULAR IMMUNOLOGY | 1997年 / 175卷 / 02期

关键词：

D O I：

10.1006/cimm.1996.1060

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

Interleukin (IL)-10 enhances humoral immunity by inhibiting macrophage activation and promoting the development of Th2 cytokine synthesis. In this study we investigated the ability of conventional Ly-1(-) (CD5(-)) B cells to produce IL-10 protein. Highly purified normal, naive splenic B cells from both BALB/c and C57BL/6 mice produced IL-10 in response to stimulation with the mitogen LPS. In addition, B cells from antigen primed mice also produced IL-10 upon antigen restimulation in vitro, as analyzed by ELISA and by bioassay Removal of Ly-1(+) B cells did not appreciably reduce IL-10 production, indicating that conventional Ly-1(-) B cells produced IL-10. These results indicate that normal Ly-1(-) B cells produce significant quantities of IL-10 during mitogen- or antigen-driven immune responses. The production of IL-10 by conventional B cells may enhance their capacity to promote humoral immune responses. (C) 1997 Academic Press.

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收藏

页码：164 / 170

页数：7

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