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皮肌炎/多发性肌炎患者白介素4、干扰素γ、转化生长因子β 1的检测

Chinese Journal of Dermatology(2003)

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Abstract
目的探讨皮肌炎(DM)/多发性肌炎(PM)的Th1/Th2/Th3细胞功能性极化.方法采用酶联免疫吸附试验(ELISA)测定23例DM/PM患者(DM 18例,PM 5例)和17例健康人的外周血单一核细胞(PBMC)培养上清液中白介素4(IL-4)、干扰素γ(IFN-γ)、转化生长因子(TGF)-β1的含量.结果 DM/PM患者的IFN-γ水平低于健康对照组(P<0.02),IL-4和TGF-β1分别高于健康对照组(P值均<0.05),lFN-γ/IL-4比值小于对照组(P<0.02).在肺X线片或CT片上,DM 10例、PM 1例示肺纹理增多、增粗或纤维化,其TGF-β1分别高于无肺纹理增多、增粗或纤维化的患者(DM 6例,PM 2例)(P>0.05)和健康对照组(P<0.05).结论 DM/PM患者的Th1/Th2/Th3型细胞因子网络出现异常,IL-4和TGF-β增高,IFN-γ下降.
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Key words
dermatomyositis/polymyositis
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