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[在人全血模型中,活的和灭活的钩端螺旋体病原体刺激过程中某些促炎和抗炎细胞因子的产生]

[PRODUCTION OF CERTAIN PRO- AND ANTI-INFLAMMATORY CYTOKINES DURING STIMULATION BY LIVE AND INACTIVATED LEPTOSPIRA PATHOGENS IN THE MODEL OF HUMAN WHOLE BLOOD].

作者信息

Petrova O A, Stoyanova N A, Tokarevich N K, Arsentieva N A, Lyubimova N E, Semenov A V, Totolyan Areg A

出版信息

Zh Mikrobiol Epidemiol Immunobiol. 2015 Nov-Dec(6):23-8.

PMID:26950985
Abstract

AIM

Study of the ability of clinical isolates of leptospira to cause production of certain pro- and antiinflammatory cytokines in the model of human whole blood.

MATERIALS AND METHODS

Leptospira interrogans strain was taken for the experiment. Cytokine content was determined by a method based on xMAP technology using a standard panel, composed of 9 analytes: TNF-α, MCP-1, IL-8, IL-4, IL-6, IL-10, IL-IRa, IL- 12 (p70), IFN-γ.

RESULTS

An optimal concentration of L. interrogans was selected for stimulation of human whole blood--1 x 10(6) leptospirae/ml. For the first time in the model of human whole blood it was determined, that at early stages of incubation IFN-γ, IL-12(p70), IL-4 and IL-1Ra are more actively produced; at later stages (6 hour incubation)--IL-8 and TNF-α.

CONCLUSION

A differential pattern of cytokine production stimulation was shown in the model of human whole blood by live and inactivated leptospirae.

摘要

目的

研究钩端螺旋体临床分离株在人全血模型中诱导产生某些促炎和抗炎细胞因子的能力。

材料与方法

实验采用问号钩端螺旋体菌株。细胞因子含量通过基于xMAP技术的方法测定,使用由9种分析物组成的标准检测板:肿瘤坏死因子-α(TNF-α)、单核细胞趋化蛋白-1(MCP-1)、白细胞介素-8(IL-8)、白细胞介素-4(IL-4)、白细胞介素-6(IL-6)、白细胞介素-10(IL-10)、白细胞介素-1受体拮抗剂(IL-1Ra)、白细胞介素-12(p70)、干扰素-γ(IFN-γ)。

结果

选择了问号钩端螺旋体的最佳浓度用于刺激人全血——1×10⁶钩端螺旋体/毫升。在人全血模型中首次确定,在孵育早期,干扰素-γ、白细胞介素-12(p70)、白细胞介素-4和白细胞介素-1Ra产生更为活跃;在后期(孵育6小时)——白细胞介素-8和肿瘤坏死因子-α。

结论

在人全血模型中,活的和灭活的钩端螺旋体显示出细胞因子产生刺激的差异模式。

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