中国组织工程研究 ›› 2015, Vol. 19 ›› Issue (18): 2831-2837.doi: 10.3969/j.issn.2095-4344.2015.18.008

• 器官移植动物模型 organ transplantation and animal model • 上一篇    下一篇

经皮穿刺纤维环建立大鼠椎间盘源性疼痛模型

吴志强1,周利君2,陈江波1,庄文权1   

  1. 1中山大学附属第一医院介入放射科,广东省广州市  510080;2中山大学疼痛研究中心,广东省广州市  510080
  • 收稿日期:2015-02-25 出版日期:2015-04-30 发布日期:2015-04-30
  • 通讯作者: 庄文权,教授,硕士生导师,中山大学附属第一医院介入放射科,广东省广州市 510080
  • 作者简介:吴志强,男,1989 年生,江西省南昌市人,汉族,中山大学在读硕士,主要从事介入放射学研究。
  • 基金资助:

    国家自然科学基金资助项目(81272041);广东省科技计划项目(2012B031800028)

A discogenic pain rat model induced by percutaneous puncture annulus

Wu Zhi-qiang1, Zhou Li-jun2, Chen Jiang-bo1, Zhuang Wen-quan1   

  1. 1Department of Interventional Radiology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China; 2Pain Research Center of Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China
  • Received:2015-02-25 Online:2015-04-30 Published:2015-04-30
  • Contact: Zhuang Wen-quan, Professor, Master’s supervisor, Department of Interventional Radiology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China
  • About author:Wu Zhi-qiang, Studying for master’s degree, Department of Interventional Radiology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, Guangdong Province, China
  • Supported by:

    the National Natural Science Foundation of China, No. 81272041; Science and Technology Planning Project of Guangdong Province, No. 2012B031800028

摘要:

背景:用于研究椎间盘源性疼痛的模型众多,采用经皮穿刺纤维环建立SD大鼠盘源性疼痛模型鲜见报道,利用微创方法建立的盘源性疼痛模型能减少开放性手术建模中组织创伤大的干扰因素。
目的:建立一种操作简单、稳定性高且利于大样本量制作的SD大鼠盘源性疼痛模型,从行为学、影像学和分子生物学方面研究其时程变化。
方法:SPF级SD雄性大鼠88只采用随机数表法分为对照组(n=10)、假手术组(n=34)和模型组(n=44)。模型组大鼠于X射线透视引导下经皮穿刺靶椎间盘纤维环;假手术组大鼠经皮穿刺椎旁组织,不穿刺纤维环。
结果与结论:与对照组及假手术组相比,模型组大鼠双后足50%机械撤足阈值下降。模型组大鼠L5/6椎间盘退变较相邻椎间盘明显,其退变程度随时间延长有加重趋势。模型组大鼠背根神经节的降钙素基因相关肽从建模后第3天开始升高并在造模后第21天达到峰值,维持较高水平至第35天。模型组大鼠背根神经节的肿瘤坏死因子α也从建模后第3天开始升高并在造模后第14天达到峰值,维持较高水平至造模后第35天。表明X射线透视引导下穿刺SD大鼠纤维环建立的盘源性疼痛模型具有创伤小、稳定性好、干扰因素少等优点,可用于盘源性致痛的相关实验研究。



中国组织工程研究
杂志出版内容重点:肾移植肝移植移植;心脏移植;组织移植;皮肤移植;皮瓣移植;血管移植;器官移植组织工程


全文链接:

关键词: 实验动物, 骨及关节损伤模型, 疼痛, X射线, 经皮穿刺, 椎间盘, 肿瘤坏死因子α, 降钙素基因相关肽, 国家自然科学基金

Abstract:

BACKGROUND: There are many animal models used for studying discogenic pain, but percutaneous puncture annulus is rarely reported. Minimally invasive approach to establish a discogenic pain model in Spraque-Dawley rats could reduce the interference factors of surgical trauma.
OBJECTIVE: To establish a Spraque-Dawley rat model of discogenic pain by percutaneous puncture annulus, with easy operations, high stability and obtaining large-scale productions, and to confirm the model by the results of behavior, MRI and molecular biology.
METHODS: Eighty-eight male Sprague-Dawley rats, of specific pathogen free level, were randomly divided into three groups, model group (n=44), control group (n=10) and sham group (n=34). In the model group, the annulus was percutaneously punctured under X-ray guidance; while rats in the sham group were punctured at the paravertebral tissue, rather than the annulus.
RESULTS AND CONCLUSION: The 50% mechanical withdrawal threshold of both hind paws in model group were reduced compared with control group and sham group. In the model group, the L5/6 intervertebral disc degeneration was apparently visible, and the degree of degeneration was aggravated along the time. In the model group, the expression of calcitonin gene-related peptide in dorsal root ganglion of rats began to increase at 
3 days post-operation and reached the peak at 21 days post-operation, then remained at high levels until the 35th day post-operation. The expression of tumor necrosis factor-α in dorsal root ganglion of rats increased at 3 days post-operation and reached the peak at 14 days post-operation, then remained at a higher level until the 35th day post-operation. The experiment result verifies that the discogenic pain model of Spraque-Dawley rats induced by percutaneous puncture annulus has the advantages of good stability and less trauma. The model can be used to study discogenic pain.



中国组织工程研究
杂志出版内容重点:肾移植肝移植移植;心脏移植;组织移植;皮肤移植;皮瓣移植;血管移植;器官移植组织工程


全文链接:

Key words: Punctures, Intervertebral Disk, Pain, Disease Models, Animal

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