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Title 

Protection against lipopolysaccharide-induced sepsis and inhibition of interleukin-1β and prostaglandin E2 synthesis by silymarin

Authors 

Jong Soon KangY J JeonSong Kyu ParkKyu-Hwan YangHwan Mook Kim

Publisher 

Elsevier

Issue Date 

2004

Citation 

Biochemical Pharmacology, vol. 67, no. 1, pp. 175-181

Keywords 

cyclooxygenase-2interleukin-1βNF-κB/Relprostaglandin E2sepsissilymarininterleukin 1betalipopolysaccharideinhibition kineticsprotein synthesis

Abstract 

Silymarin is known to have hepatoprotective and anticarcinogenic effects. Recently, anti-inflammatory effect of silymarin is attracting an increasing attention, but the mechanism of this effect is not fully understood. Here, we report that silymarin protected mice against lipopolysaccharide (LPS)-induced sepsis. In this model of sepsis, silymarin improved the rate of survival of LPS-treated mice from 6 to 38%. To further investigate the mechanism responsible for anti-septic effect of silymarin, we examined the inhibitory effect of silymarin on interleukin-1β (IL-1β) and prostaglandin E2 (PGE2) production in macrophages. Silymarin dose-dependently suppressed the LPS-induced production of IL-1β and PGE2 in isolated mouse peritoneal macrophages and RAW 264.7 cells. Consistent with these results, the mRNA expression of IL-1β and cyclooxygenase-2 was also completely blocked by silymarin in LPS-stimulated RAW 264.7 cells. Moreover, the LPS-induced DNA binding activity of nuclear factor-κB/Rel was also inhibited by silymarin in RAW 264.7 cells. Taken together, these results demonstrate that silymarin has a protective effect against endotoxin-induced sepsis, and suggest that this is mediated, at least in part, by the inhibitory effect of silymarin on the production of IL-1β and PGE2.

ISSN 

0006-2952

Link 

http://dx.doi.org/10.1016/j.bcp.2003.08.032

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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