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人类偏肺病毒毛细支气管炎患儿细胞免疫分析 被引量:2

Analysis of cellular immunity in children with bronchiolitis caused by human metapneumovirus
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摘要 目的探讨人类偏肺病毒(human metapneumovirus,hMPV)感染致毛细支气管炎患儿细胞免疫功能的变化。方法用RT-PCR方法对255例毛细支气管炎住院患儿的呼吸道分泌物进行hMPV N基因检测,以明确hMPV感染。采用流式细胞仪检测患儿外周血T淋巴细胞亚群B淋巴细胞和NK细胞,以30例健康儿童作为对照组。结果共检测到51份RT-PCR阳性扩增产物,阳性率为20.0%;hMPV感染组外周血CD3+T细胞、CD4+T细胞、CD8+T细胞与对照组比较差异无统计学意义,CD19+、CD19+CD23+、CD4+CD25+T细胞均明显增高(P<0.01),而NK细胞下降(P<0.05)。结论hMPV是毛细支气管炎的重要病原之一,hMPV感染后机体细胞免疫功能明显紊乱。
出处 《临床儿科杂志》 CAS CSCD 北大核心 2009年第2期145-148,共4页 Journal of Clinical Pediatrics
关键词 人类偏肺病毒 毛细支气管炎 细胞免疫 human metapneumovirus bronchiolitis cellular immunity
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二级参考文献2

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同被引文献70

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