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- W3031987883 abstract "目的 通过分析放疗前后鼻咽癌(NPC)患者外周血CD4+CD25high调节T(Tr)细胞比例及其变化规律.初步探讨NPC患者免疫抑制机制和放疗对免疫抑制的影响,为有效提高NPC的治疗疗效提供参考.方法采用流式细胞术检测36例初治的鼻咽癌患者放疗前、放疗后和30例正常健康者(对照组)外周血中T细胞亚群及CD4+CD25high T细胞比例.结果放疗前鼻咽癌患者CD3+、CD4+、CD8+T细胞比例及CD4/CD8比值接近正常对照组(P>0.05);而CD4+CD25high Tr细胞比例明显高于正常对照组[分别为(2.76±1.06)%,(2.06±0.98)%,P<0.05];放疗结束时,与放疗前比较,外周血CD4+T细胞比例减低、但差异无统计学意义(P>0.05);CD4+/CD8+比值减低(P<0.05),而CD4+CD25high Tr细胞比例明显升高,差异有统计学意义[(4.88±1.02)%,P<0.05].结论CD4+CD25high Tr细胞可能是鼻咽癌患者免疫抑制的重要原因之一,与鼻咽癌免疫逃逸有关.放疗后外周血CD4+CD25high Tr细胞比例比CD4+/CD8+比值更能敏感反映免疫功能状态,有可能成为鼻咽癌的更有效的免疫监测指标。" @default.
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- W3031987883 date "2006-02-25" @default.
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- W3031987883 title "Influence of radiotherapy on CD4 + CD25high regulatory cells in peripheral blood of NPC patients" @default.
- W3031987883 doi "https://doi.org/10.3760/cma.j.issn.0254-5098.2006.01.011" @default.
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