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过敏性紫癜患儿外周血树突状细胞诱导自体T淋巴细胞增殖反应水平的研究

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摘要 目的研究过敏性紫癜(HSP)患儿外周血树突状细胞诱导自体T淋巴细胞增殖反应的能力。方法采用粒-巨噬细胞集落刺激因子、自细胞介素-4和肿瘤坏死因子-α联合培养诱导HSP患儿外周血树突状细胞,通过流式细胞仪检测树突状细胞协同刺激分子CD80、CD86的表达及MTT法检测树突状细胞诱导自体T淋巴细胞增殖反应的水平。结果HSP患儿外周血树突状细胞诱导自体T淋巴细胞增殖反应的能力明显高于对照组,差异有非常显著性(P〈0.01)。协同刺激分子CD86的平均荧光强度(51.2±7.4)明显高于对照组(37.3±6.5),差异有非常显著性(P〈0.01);CD80的表达虽然较对照组稍有升高,但差异无显著性(P〉0.05)。结论HSP患儿外周血树突状细胞诱导自体T淋巴细胞增殖反应的能力明显增高。
出处 《中国小儿急救医学》 CAS 2008年第5期479-481,共3页 Chinese Pediatric Emergency Medicine
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