首页|结核分枝杆菌感染对THP-1细胞CD14表达的影响

结核分枝杆菌感染对THP-1细胞CD14表达的影响

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目的:探讨结核分枝杆菌(Mycobacterium tuberculosis,Mtb)感染THP-1细胞后对细胞表面白细胞分化抗原14(CD14)表达的影响.方法:Mtb以10:1感染佛波醇酯(PMA)分化的THP-1细胞,建立Mtb感染THP-1细胞的模型.采用流式细胞术检测THP-1细胞、PMA分化的THP-1细胞及Mtb感染THP-1细胞CD14的表达.结果:THP-1细胞和PMA分化的THP-1细胞表面表达CD14的阳性率分别为5.5%和21.6%,对Mtb的吞噬率分别为7.7%和93.0%;Mtb感染的THP-1细胞表面表达CD14的阳性率为27.5%.结论:PMA分化后的THP-1细胞表面CD14的表达增加,Mtb感染后CD14的表达进一步增加,对Mtb的吞噬率增加.
Effect of Mycobacterium tuberculosis infection on CD14 expression in THP-1 cells
To explore the changes of CD14 expression before and after THP-1 cells infected with Mycobacterium tuberculosis ( Mtb) . Methods: Mtb and phorbol myristate acetate ( PMA ) -differentiated THP-1 cells were incubated with the ratio of 10:1 l,and Mtb infection cell model was established. The CD14 expression in THP-1 cells, PMA differentiated THP-1 cells and Mtb infected THP-1 cells were detected by flow cytometry. Results: The percentage of CD14 expression in THP-1 cells and PMA differentiated THP-1 cells was 5. 5% , and 21. 6% , respectively, whereas the percentage of Mtb phagocytosis rate was 7. 7% and 93. 0% , respectively. The percentage of CD14 expression in Mtb infected THP-1 cells was 27. 5% . Conclusions:The CD14 expression in PMA differentiated THP-1 cells is increased, and the CD14 expression and Mtb phagocytosis rate in Mtb infected THP-1 cells are further increased.

Mycobacterium tuberculosisTHP-1 cellsCD14

金齐力、韦莉、李柏青

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蚌埠医学院第二附属医院,检验科,安徽,蚌埠,233040

蚌埠医学院,免疫学教研室,安徽省感染与免疫重点实验室,安徽,蚌埠,233030

蚌埠医学院,病原生物学教研室,安徽,蚌埠,233030

结核分枝杆菌 THP-1细胞 白细胞分化抗原14

国家科技重大专项基金资助项目蚌埠医学院科研资助项目

2008ZX10003011BY0918

2012

蚌埠医学院学报
蚌埠医学院

蚌埠医学院学报

CSTPCD
影响因子:0.917
ISSN:1000-2200
年,卷(期):2012.37(2)
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