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铅中毒儿童外周血T淋巴细胞免疫活性改变及临床意义 被引量:9

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摘要 【目的】了解铅中毒儿童外周血T淋巴细胞免疫活性改变及体内铅含量对外周血T淋巴细胞免疫功能的影响。【方法】检测127例铅中毒儿童和43名正常儿童的T淋巴细胞亚群CD3+、CD4+、CD8+和自然杀伤(NK)细胞CD1+6活性,分析铅中毒不同程度时各免疫指标的变化。【结果】铅中毒儿童外周血T细胞亚群CD4+、CD4+/CD8+比值显著低于正常儿童组;随着铅中毒程度的加重,CD3+、CD4+细胞的百分比随之下降。【结论】铅中毒儿童T淋巴细胞亚群免疫活性及NK细胞(CD1+6)的活性降低,机体免疫功能降低,并与体内铅含量水平成负相关。
出处 《中国儿童保健杂志》 CAS 2006年第5期520-521,共2页 Chinese Journal of Child Health Care
基金 青岛市科技局医药卫生科技发展计划项目(2005KZD-42)
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参考文献5

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