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IFN-γ诱导人单核细胞MICs分子表达 被引量:2

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摘要 目的:研究IFN-γ对MHC-I类链相关分子(MICs)表达的调节作用。方法:采用密度梯离离心法分离人外周血单个核细胞(PBMC),以免疫磁珠法从PBMC中特异性分选单核细胞,以细胞因子IFN-γ、TNF-α或IFN-α刺激PBMC、纯化单核细胞或单核细胞系U937、THP-1后,以流式细胞术检测单核细胞表面MICs分子表达。结果:IFN-γ选择性上调人PBMC中单核细胞表面MICs表达;IFN-γ对人原代单核细胞及单核细胞系U937、THP-1细胞表面MICs分子表达均有诱导或上调作用,细胞因子TNF-α、IFN-α对单核细胞MICs分子表达无影响。IFN-γ诱导或上调表达的MICs分子不能被MICA或MICB特异性单克隆抗体(mAb)所识别,可能是一种新的MIC分子或MIC等位基因。结论:IFN-γ能诱导或上调人单核细胞表面MICs分子表达。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2007年第12期1192-1194,共3页 Chinese Journal of Cellular and Molecular Immunology
基金 国家自然科学基金资助项目(30400215)
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参考文献8

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同被引文献18

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