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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2009, Vol. 14 ›› Issue (2): 167-170.

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Effect of thalidomide combined with methotrexate on the inflammation and cytokines of rats with collagen type II induced arthritis

ZHOU Wei1,2, ZHANG Yu1, SHEN Wei-gan1, XUE Yong-ji1, GAO Na1, GAO Bo1, ZHANG Xue-zhen1   

  1. 1Clinic Medical College of Yangzhou University, 2the Second Clinic Medical College of Yangzhou University, Yangzhou No.1 People's Hospital, Yangzhou 225001, Jiangsu, China
  • Received:2008-10-31 Revised:2009-01-16 Online:2009-02-26 Published:2020-10-30

Abstract: AIM: To investigate the effect of thalidomide combined with methotrexate on the inflammation and cytokines of rats with collagen type II induced arthritis.METHODS: The model of rat was induced by injection of collagen type II combined with complete Freund's adjuvant (CFA).Next day after the injection, the therapeutic administration of thalidomide(150 mg·kg-1 ·d-1) combined with methotrexate (0.2 mg·kg-1 ·d-1) and methotrexate(0.2 mg·kg-1·d-1) were differently performed to the rats.The courses of the treatment were all six weeks.The mean arthritis index (AI) was scored every week.The relative concentrations of IL-1β, TNF-αin sera were evaluated by Western Blotting.RESULTS: The therapeutic administration of thalidomide combined with methotrexate and methotrexate could decrease the mean arthritis index on CIA rat, the effect of thalidomide combined with methotrexate was more obvious than that of methotrexate. The administration of thalidomide combined with methotrexate and methotrexate significantly decreased the production of IL-1β and TNF-α, the change of posttreatmentis was obviously in all groups (P <0.05). CONCLUSION: Thalidomide combined with methotrexate have an inhibitory effect on the expression of IL- 1β and TNF-αin model rat, which is related to its anti- inflammation.There are coordinate effect in thalidomide and methotrexate.

Key words: thalidomide, methotrexate, rat, arthritis, collagen type II

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