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人外周血NK细胞亚群的生物学特性 被引量:5

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摘要 目的探讨人外周血NK细胞亚群的生物学特征。方法利用多种荧光标记抗体进行细胞表面和细胞内细胞毒效应分子染色,再利用流式细胞仪在单个细胞水平上分析NK细胞亚群的多样性和生物学特征。结果根据CD56和CD16分子表达与否将NK细胞分为CD56+、CD56+CD16+和CD16+三个亚群。CD56+、CD56+CD16+和CD16+NK细胞亚群表面CD95、NKG2D及细胞内穿孔素和颗粒酶B的表达存在明显差异,CD56+NK细胞亚群明显低于CD56+CD16+和CD16+NK细胞亚群,差异有统计学意义(P<0.05),而CD56+CD16+和CD16+NK细胞亚群之间则差异无显著性(P>0.05)。结论NK细胞乃异质性群体,随着CD56表达减少和CD16表达增加,其生物学功能逐渐成熟。
出处 《广东医学》 CAS CSCD 北大核心 2009年第9期1257-1258,共2页 Guangdong Medical Journal
基金 广州市医药卫生重点科技项目(编号:2006-ZDi-17)
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