Química Analítica Farmacêutica: Acesso Aberto
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Antiarthritic Effects of Daphne giraldii Nitsche (Thymelaeaceae) Mainly through Suppression of the Secondary Inflammation

Sheng Wang, Xiaotao Xu, Yue Zang, Xiaoxing Huang, Yifei Wang, Bin Zheng, Li Liu and Qibing Mei

The present study focuses on the anti-arthritic effect of Zushima cataplasms (ZC) in adjuvant arthritic (AA) rats. AA rats were treated with ZC from the 3rd day before immunization and continued until the 20th day after immunization. The severity of arthritis was evaluated by swelling, heat, nociceptive, histopathology and radiological changes. The levels of IL-1β, TNF-α in the serum were measured by ELISA. ZC showed no effect on alleviating swelling in primary inflammation, while ZC 0.75 g/kg dramatically reduced the swelling, and showed a significant increment of mechanical pain thresholds in secondary inflammation. The synovial hyperplasia and inflammatory cells infiltration were suppressed by ZC in secondary inflammation but not in primary inflammation. The radiographic studies further provided supportive evidence for histopathology analysis. Additionally, There was significant reduction in production of interleukin-1β (IL-1β), tumor necrosis factor (TNF-α) in serum of AA rats treated with ZC.