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Cytokine regulation of immune response in patients with acute HCV-infection

机译:细胞因子对急性HCV感染患者免疫应答的调节

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摘要

AIM: To study the cytokine spectrum (IL-1beta, IL-2, IL-4, IL-6, TNF-alpha, interferon-alpha, interferon gamma) in patients with acute hepatitis C (AHC). MATERIAL AND METHODS: Peripheral blood from 70 AHC patients was studied for cytokines using enzyme immunoassay (kits made by Protein contur, St-Petersburg). RESULTS. A primary examination in all the patients who finally recovered detected high levels of IL-2, IL-6, interferon-gamma, normal levels of IL-4. This evidenced for marked activity of Th1-lymphocytes, depressed synthesis of Th2-mediators stimulating immune response and elimination of the virus. AHC patients who later developed chronic disease had less frequent rise of proinflammatory mediators, but more frequent high IL-4 levels. Such features of immune response reflected higher activity of Th2-lymphocytes inhibiting Th1-effector mechanisms. This promoted active virus replication and formation of chronic hepatitis C. CONCLUSION: Determination of cytokine spectrum in AHC has a prognostic implication.
机译:目的:研究急性丙型肝炎(AHC)患者的细胞因子谱(IL-1β,IL-2,IL-4,IL-6,TNF-α,干扰素-α,干扰素γ)。材料与方法:使用酶免疫分析法(蛋白水解酶,圣彼得堡公司生产的试剂盒)研究了70名AHC患者的外周血中的细胞因子。结果。在所有最终康复的患者中进行的初步检查均检测到高水平的IL-2,IL-6,干扰素-γ和正常水平的IL-4。这证明了Th1淋巴细胞具有明显的活性,Th2介体的合成受到抑制,从而刺激了免疫反应并消除了病毒。后来发展为慢性疾病的AHC患者,促炎性介质升高的频率较低,而高IL-4水平则更为频繁。免疫反应的这种特征反映了Th2淋巴细胞抑制Th1效应子机制的更高活性。这促进了慢性丙型肝炎病毒的活跃复制和形成。结论:AHC中细胞因子谱的测定具有预后意义。

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