Central IL-1 differentially regulates peripheral IL-6 and TNF synthesis

被引:20
|
作者
Kitamura, H
Okamoto, S
Shimamoto, Y
Morimatsu, M
Terao, A
Saito, M [1 ]
机构
[1] Hokkaido Univ, Sch Vet Med, Dept Biomed Sci, Biochem Lab, Sapporo, Hokkaido 060, Japan
[2] Hokkaido Univ, Sch Vet Med, Dept Environm Vet Med Sci, Toxicol Lab, Sapporo, Hokkaido 060, Japan
关键词
interleukin-1 (IL-1); interleukin-6 (IL-6); tumour necrosis factor (TNF); autonomic nervous system; cytokine;
D O I
10.1007/s000180050151
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
Centrally given interleukin (IL)-1 is known to induce a rapid rises in blood IL-6. To extend this and to examine the mechanism by which this occurs, the effects of intracerebroventricular (icv) injection of human recombinant IL-1 beta on mRNA expression of IL-6 and tumour necrosis factor (TNF) in the spleen and liver were examined in rats. Icy injection of IL-1 produced a rapid rise of the tissue mRNA levels of IL-6 and TNF in both organs, prior to and/or in parallel with an increase in their serum levels. Pretreatment with chlorisondamine, a ganglionic blocking agent, inhibited the IL-6 responses, while it had little influence on the TNF responses. The results suggest that brain IL-1 induces peripheral production of IL-6, but not of TNF, through autonomic nervous system activation.
引用
收藏
页码:282 / 287
页数:6
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