中国血吸虫病防治杂志 ›› 2012, Vol. 24 ›› Issue (1): 58-61.

• 论著 • 上一篇    下一篇

弓形虫慢性感染大鼠脑组织中Toll样受体4基因表达及其对脑损害影响

周永华1|王尚尚2|杨静1|陶建平2|许永良1|黄玉政1|高琪1*   

  1. 1江苏省寄生虫病防治研究所 (无锡 214064); 2 扬州大学兽医学院
  • 出版日期:2012-02-16 发布日期:2012-02-15
  • 通讯作者: 高琪
  • 作者简介:周永华| 男| 博士| 副主任技师。研究方向: 人兽共患寄生虫病预防与控制
  • 基金资助:

    江苏省卫生厅基金 (X200739)

Expression of Toll?like receptor 4 in brain tissue of chronic Toxoplasma gon? dii infection rats and its effect on brain injury

Zhou Yong-hua1| Wang Shang-shang2| Yang Jing1| Tao Jian-ping 2| Xu Yong-liang1 , Huang Yu-zheng1| Gao Qi 1*   

  1. 1 Jiangsu Institute of Parasitic Diseases, Key Laboratory on Technology for Parasitic Disease Prevention and Control, Wuxi 214064, China|2 Department of Veterinary Medicine, Yangzhou University, China
  • Online:2012-02-16 Published:2012-02-15
  • Contact: Gao Qi

摘要:

目的 目的 探讨Toll 样受体4 (TLR4) 在弓形虫慢性感染大鼠脑组织中的表达, 及其对脑部损害的作用。 方法 方法 将10 只SD雄性大鼠随机分为对照组和模型组, 每组5只。感染组每鼠腹腔感染1×107 /ml弓形虫速殖子2 ml, 对照组每鼠腹腔注射灭菌生理盐水2 ml。弓形虫感染后10周, 用ELISA法检测大鼠血清炎症因子IL?1β和IL?4水平; 采用逆转录多聚酶链反应 (RT?PCR) 法检测大鼠脑组织TLR4 mRNA的表达。 结果 结果 与正常对照组相比, 弓形虫慢性感染组大鼠脑TLR4 mRNA 表达显著升高 (P<0.05), 血清IL?1β含量显著上升 (P<0.05), IL?4含量也有所升高, 但差异无统计学意义 (P>0.05)。 结 结论 论 TLR4在弓形虫慢性感染大鼠的脑部损害中具有一定作用。

关键词: 刚地弓形虫; Toll样受体4; 大鼠;脑

Abstract:

Objective To explore the expression of Toll?like receptor 4 (TLR4) in brain tissue of chronic Toxoplasma gondii infection rats and its effect on brain injury. Methods Ten male SD rats were randomly divided into 2 groups, namely control and infection groups. Each rat in the infection group was intraperitoneal injected with Toxoplasma gondii tachyzoites 107 /ml × 2 ml, and that in the control group was injected with 2 ml sterile normal sodium. After 10 weeks, the expression of TLR4 mRNA in the brain tissue was determined by RT?PCR, and the levels of IL?1β and IL?4 in peripheral blood sera were detected by ELISA. Results Compared with the control group, the expression of TLR4 gene and the peripheral blood serum level of IL?1β of rats in the Toxoplas? ma gondii infection group were both significantly increased, with all P values were less than 0.05, and the level of IL?4 was also in? creased, but the difference had no statistically significance(P>0.05). Conclusion TLR4 might be involved in inflammatory re? actions of brain injury for chronic Toxoplasma gondii infection rats.

Key words: Toxoplasma gondii, Toll?like receptor 4, Rat, Brain

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