Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease and its exact cause and pathophysiological process remain unclear. Because the mast cell contains potent mediators, including multifunctional cytokines, its potential contributions to the processes of inflammation and matrix degradation have recently become evident. Gamisopoonghwanghyul‐tang (GSPHHT) has been used as a traditional Korean medicine for the treatment of RA. In this study, we investigated the effect of Gamisopoonghwanghyul‐tang (GSPHHT) on the production of inflammatory cytokines by activated human mast cell line HMC‐1 cells. When GSPHHT (1 mg/mL) was added, the production of tumor necrosis factor (TNF)‐α, interleukin (IL)‐1β, IL‐6, IL‐10 was inhibited by 36.3%, 36.3%, 30.8%, 48.7% respectively in phorbol 12‐myristate 13‐acetate plus calcium ionophore A23187‐stimulated HMC‐1 cells. However, the production of IL‐4 was significantly increased at 0.01 mg/mL. GSPHHT had no effect on TNF‐α mRNA expression. These results suggest that GSPHHT regulates production of inflammatory cytokines from activated mast cells.
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