Cytokine regulation of GM-CSF and G-CSF secretion by human umbilical cord vein endothelial cells (HUVEC)

被引:34
作者
Lenhoff, S [1 ]
Olofsson, T [1 ]
机构
[1] UNIV LUND HOSP,DEPT RES 2,S-22185 LUND,SWEDEN
关键词
CSF; cytokine regulation; ELISA; HUVEC;
D O I
10.1006/cyto.1996.0093
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
The cytokine regulation of granulocyte-macrophage colony-stimulating factor (GM-CSF) and G-CSF secretion by human umbilical cord vein endothelial cells (HUVEC) using quantitative immunoassays was studied, Unstimulated HUVEC produced no CSF. Interleukin 1 (IL-1), TNF and lipopolysaccharides (LPS) had stimulatory effects, with IL-1 being the most potent, GM-CSF and G-CSF secretion followed the same pattern, except that more GM-CSF was secreted, Exposure to stimuli for 30 min induced secretion, and detectable amounts in supernatants were found after 4 h incubation, CSF secretion was strictly regulated by the presence of a stimulus in a concentration dependent manner, and there were no signs of any endogenous downregulatory mechanism, No other cytokine tested had any stimulatory effect of its own, However, addition of IL-3 to stimulated HUVEC enhanced both GM-CSF and G-CSF secretion in a dose-dependent manner, In addition, TNF, and to a lesser degree LPS, enhanced IL-1-induced secretion, The only cytokine with a prominent downregulatory effect was IFN-gamma, IL-4 and IL-10, which downregulate CSF secretion by monocytes, had only minor effects. (C) 1996 Academic Press Limited
引用
收藏
页码:702 / 709
页数:8
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