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职业性慢性铅中毒患者T细胞亚群及Th1/Th2细胞因子的变化

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases(2007)

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Abstract
目的初步探索职业性慢性铅中毒患者T淋巴细胞亚群及Th淋巴细胞因子的变化特点。方法对23例职业性慢性铅中毒患者(铅中毒组)及20例健康非职业铅接触成人(对照组)采用流式细胞技术检测外周静脉血淋巴细胞CD_3、CD_4、CD_8的表达,同时通过流式细胞微球芯片捕获技术检测血浆IL-2、IL-4、IL-6、IL-10、TNF-αt、IFN-γ的浓度。结果铅中毒患者外周静脉血CD_4相对百分比(32.68%±11.54%)及CD_4/CD_8比值(0.89±0.39)与对照组比较,明显下降,差异有统计学意义(P<0.05);血浆IL-2浓度为(2.00±0.68)pg/ml,与对照组比较明显上升,差异有统计学意义(P<0.05);血浆IL-10和IFN-γ浓度分别为(1.83±0.85)pg/ml和(3.42±0.85)pg/ml,与对照组比较明显减低,差异有统计学意义(P<0.05)。结论T淋巴细胞亚群及细胞因子对评价铅免疫毒性有进一步研究价值。
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Key words
lead poisoning,t lymphocyte subsets,th1/th2 cytokines
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