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外周血T淋巴细胞CD57与肺部细菌感染

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摘要 目的:了解肺部细菌感染患者外周血T淋巴细胞表面CD57抗原的变化及意义。方法:以流式细胞仪测定正常人、肺部细菌感染患者、肿瘤患者和病毒性肝炎患者的外周血CD57^+、CD4^+CD57^+、CD8^+CD57^+T淋巴细胞亚群的百分比及其对ConA的反应性。结果:肺部感染和肿瘤组患者的外周血CD57^+、CD8^+CD57^+T淋巴细胞显著高于正常对照组及病毒性肝炎组;ConA刺激后肺部感染组和正常对照组的外周血CD57^+、CD4^+CD57^+、CD8^+CD57^+T淋巴细胞均显著高于刺激前,但前者CD57^+T淋巴细胞百分比的改变显著低于后者。结论:CD57^+CD8^+CD57^+T淋巴细胞在细菌感染及肿瘤的病理过程中起一定作用,肺部感染组CD57^+T淋巴细胞对有丝分裂原的反应显著低于正常对照组可能是由于CD57增加的结果。
出处 《世界感染杂志》 2002年第1期27-30,共4页 World Journal of Infection
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