Abstract
The Korean genuine medicine "Gigukjiwhangwhangami (GJWGM)" has long been used for various cerebrovascular diseases. However, the exact mechanism that accounts for the anti-inflammatory effect of GJWGM is not completely understood. The aim of the present study is to elucidate how GJWGM modulates the inflammatory reaction in lipopolysaccaride (LPS)-stimulated peripheral mononuclear cells from patients with cerebral infarction. Production of cytokine was measured by the ELISA and RT-PCR method. The level of nuclear factor-kappaB (NF-kappaB)/Rel A protein and NF-kappaB DNA binding activity were determined by the Western blot analysis and TF-EIA method. We showed that GJWGM inhibited the production of tumor necrosis factor (TNF)-alpha, interleukin (IL)-1alpha, IL-6, and IL-8 induced by LPS in dose dependent manner (p<0.05). Maximal inhibition rate of TNF-alpha, IL-1beta, IL-6 and IL-8 production by GJWGM was about 54.34%, 41.37%, 44.04%, and 54.46%, respectively. GJWGM inhibited the TNF-alpha and IL-8 mRNA expression. In addition, we showed that the inhibitory mechanism of GJWGM is through the suppression of NF-kappaB pathway. Our study suggests that an important molecular mechanism by GJWGM reduce inflammation, which may explain its beneficial effect in the regulation of inflammatory reactions.
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