Abstract
Objectives : Evodia rutaecarpa (Juss.) Benth.(ER) and Chaenomeles sinensis Koehne (CS) have multiple applications and were known to have anti- inflammatory effects. In the curre nt study, we investigated to clearly understand the mechanism of therapeutic role for CS, ER and their combination in CIA model mice. Methods : DBA/1OlaHsd mice were immunized with bovine type II collagen. After a second collagen immunization, mice were treated with CS, ER and their combination once a day for 7 weeks. Cytokine production and gene expression were assessed during CIA (collagen-induced arthritis) model mice in knee joint, lymph node (LN) using ELISA and FACS analysis. The severity of arthritis within the knee joints was evaluated by histological assessment of cartilage destruction and pannus formation. Result : Oral administration of CS, ER and their combination (150 ㎎/㎏) significantly suppressed the progression of CIA, and significantly suppressed the progression of CIA and inhibited the production of TNF-α and IL-6 in serum. The erosion of cartilage was dramatically reduced in mouse knees after treatment with CS plus ER. Conclusion : These result suggest that CS plus ER significantly suppressed the progression of CIA and that this action was characterized by the decreased production of TNF-α , IL-6 and collagen II specific antibody in serum.
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