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Year : 2016  |  Volume : 12  |  Issue : 47  |  Page : 235-240

Therapeutic effect of total saponins from Dioscorea nipponica makino on gouty arthritis based on the NF-κB signal pathway: An In vitro study

1 Research Institute of Chinese Medicine, Harbin 150040, PR China
2 Technological Innovation Team of Basic Theory Study Research of Institution of Higher Education in Heilongjiang Province, Heilongjiang University of Chinese Medicine, Harbin 150040, PR China

Correspondence Address:
Shumin Liu
Heilongjiang University of Chinese Medicine, Harbin 150040
PR China
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0973-1296.186344

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Objective: Dioscorea nipponica Makino is one of the most common used traditional Chinese drugs which are used to treat gouty arthritis (GA). Nuclear factor-κB (NF-κB) pathway plays an important role during this process. In the present study, we investigated the effects of total saponins from D. nipponica Makino (TDN) on NF-κB pathway in interleukin-1β (IL-1β) induced fibroblast-like synoviocytes (FLS). Materials and Methods: FLS were divided into three groups: Normal group, model group, which was given 10 μg/L IL-1β to induce the proliferation, and TDN group (10 μg/L IL-1β +100 μg/L TDN). 1 h, 24 h, 48 h, and 72 h after treating, immune fluorescence method was used to detect the cell location of NF-κB p65. Electrophoretic mobility shift assay was used to detect the activation of NF-κB p65. Western blot method was used to detect the protein expressions of NF-κB p65, IκBα, and p-IκBα. Results: TDN could inhibit the activation and transfer of NF-κB p65. As time went on, the expression of NF-κB p65 in the cytoplasm was decreased while it was increased in the nucleus. The expression of p-IκBα was increased, whereas the expression of IκBα was not changed. TDN could regulate these abnormal expressions. Conclusion: TDN may treat GA by regulating NF-κB signal pathway. SUMMARY
  • TDN could inhibit the transfer of NF-κB p65.
  • TDN could inhibit the activation of NF-κB p65.
  • TDN could inhibit the expression of p-IκBα
Abbreviations used: TDN: Total saponins from Dioscorea nipponica Makino, GA: Gouty arthritis, FLS: Fibroblast-like synoviocytes, IL-1β: Interleukin-1 beta, IF: Immune fluorescence, EMSA: Electrophoretic mobility shift assay, WB: Western blot.

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