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    题名 作者 年代 出处 被引量
1巨噬细胞通过产生胞外陷阱捕获并杀伤单增性李斯特菌显示文摘为了研究产单核细胞增生性李斯特菌(Lm)能否引起巨噬细胞产生胞外陷阱,并初步探讨巨噬细胞胞外陷阱(METs)对其杀伤作用。本文通过荧光显微镜、菌落计数和免疫印记等技术分析单增李斯特菌侵袭的2种巨噬细胞胞外陷阱形态、产量及抑菌效果。结果显示,小鼠巨噬细胞系RAW 264.7以及人巨噬细胞系Thp-1均可在单增李斯特菌的诱导下产生胞外陷阱;Lm在侵袭巨噬细胞15min后已有METs产生,1~3h产量明显增大,然后随时间的推移逐渐减弱;METs可以有效抑制Lm的生长。另外,本试验还发现Lm诱导胞外陷阱的产生与细胞外信号调节激酶相关。程威 施晓晨 王超 安雅男 张巧丽 金琨琪 杨志强 于录 2015中国兽医学报2015,35,4:3
2Neutrophil extracellular traps in the intestinal mucosa of Eimeria-infected animals显示文摘Objective:To investigate the presence of neutrophil extracellular traps(NETs) in vivo by analysing intestinal sections from experimentally Eimeria bovis-and naturally Eimeria arloingi-infected animals.Methods:Intestinal samples of Eimeria arloingi-and Eimeria bovis-infected animals were analysed by using immunohistochemical and fluorescence approach by using monoclonal antibodies.Results:Classical NET components were confirmed by co-localization of extracellular DNA being decorated with neutrophil elastase and histones in Eimeria-infected tissue samples.Here,extrusion of NETs was exclusively detected in intestinal polymorphonuclear neutrophils infiltrating Eimeria-infected sites.In vivo NETs were either found in close proximity or in direct contact to different Eimeria stages suggesting a stage-independent process.NETs were also found within the gut lumen driven by polymorphonuclear neutrophils that were contacting released oocysts.Conclusions:We postulate that NETs might play an important role in innate defence reactions in coccidiosis therefore significantly altering the outcome of infection.Tamara Munoz-Caro Liliana Machado Ribeiro da Silva Zaida Renteria-Solis Anja Taubert Carlos Hermosilla 2016Asian Pacific Journal of Tropical Biomedicine2016,6,4:2
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