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目的 探讨小剂量甲氨蝶呤( M T X) 对 R A 患者血浆 T N Fα、 I L6 水平的影响。方法 用放射免疫分析( R I A) 法研究了30 例 R A 患者 M T X(10 mg/ W) 治疗前后血浆 T N Fα、 I L6 水平的变化。结果 M T X 治疗6 周后血浆 T N Fα、 I L6 水平明显降低,以后进一步降低( P< 001) 。结论 M T X 能有效地降低 R A 患者血浆 T N Fα、 I L6 水平,诱导病情缓解
Objective To investigate the effect of low-dose methotrexate (M T X) on plasma T N Fα and IL-6 levels in R A patients. Methods The radioimmunoassay (RIA) method was used to study the changes of T N Fα and IL-6 levels in plasma and T lymphocyte subsets of 30 R A patients before and after treatment with M T X (10 mg / W). Results After 6 weeks M T X treatment, the levels of T N Fα and IL-6 in plasma were significantly decreased and further decreased afterwards (P <001). Conclusion M T X can effectively reduce the level of T N Fα and IL-6 in R A patients and induce the remission