期刊文献+

大鼠肝脏NK细胞的分离、纯化与超微结构特征 被引量:4

Isolation、purification and morphologic feature of liver NK cells in rats
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摘要 目的:建立一种稳定而高效的大鼠全肝自然杀伤细胞(NK细胞)的分离方法,并利用该方法获得目的细胞,研究肝脏NK细胞的超微结构特征。方法:通过灌注和消化法分离大鼠肝脏非实质细胞,经大鼠淋巴细胞分离液密度梯度离心后收集单个核细胞层,磁珠分选得到肝脏NK细胞,流式细胞仪检测及免疫荧光鉴定其纯度,并通过光镜、透射电镜及扫描电镜的方法对目的细胞进行形态学特征研究。结果:分离所得NK细胞纯度为(88.64±4.36)%,存活率>95%。肝脏NK细胞具有典型大颗粒淋巴细胞的形态学特征,胞内可见多量与其细胞毒性相关的分泌颗粒及NK细胞特有的囊泡结构。随着其被激活,细胞的形态会发生变化。结论:该方法是大鼠肝脏NK细胞分离的一种简单可行的方法。肝脏NK细胞的超微结构特征为其细胞功能发挥提供可能。
出处 《中国病理生理杂志》 CAS CSCD 北大核心 2009年第6期1240-1243,共4页 Chinese Journal of Pathophysiology
基金 国家自然科学基金资助项目(No.30671987)
关键词 大鼠 肝脏自然杀伤细胞 超微结构 Rats Liver natural killer cells Uhrastructure
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同被引文献39

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