中国组织工程研究 ›› 2023, Vol. 27 ›› Issue (32): 5173-5177.doi: 10.12307/2023.825

• 组织构建实验造模 experimental modeling in tissue construction • 上一篇    下一篇

改良椎板切除法构建脊髓损伤模型大鼠

杜凯然1,邓  强2,郭铁峰2,张彦军2,彭冉东2,李军杰2,王雨榕1,张凯东1,罗林钊1   

  1. 1甘肃中医药大学,甘肃省兰州市   730030;2甘肃省中医院,甘肃省兰州市   730050
  • 收稿日期:2020-09-16 接受日期:2020-11-21 出版日期:2023-11-18 发布日期:2023-03-23
  • 通讯作者: 邓强,硕士,硕士研究生导师,主任医师,甘肃省中医院,甘肃省兰州市 730050
  • 作者简介:杜凯然,男,1993年生,甘肃中医药大学在读硕士,主要从事脊柱疾病中西医结合防治研究。
  • 基金资助:
    国家自然科学基金(82060879),项目负责人:邓强;国家自然科学基金(81860860),项目负责人:邓强;甘肃省重点研发计划(20YF3FA014),项目负责人:邓强

Improved laminectomy for constructing a rat model of spinal cord injury

Du Kairan1, Deng Qiang2, Guo Tiefeng2, Zhang Yanjun2, Peng Randong2, Li Junjie2, Wang Yurong1, Zhang Kaidong1, Luo Linzhao1   

  1. 1Gansu University of Chinese Medicine, Lanzhou 730030, Gansu Province, China; 2Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou 730050, Gansu Province, China 
  • Received:2020-09-16 Accepted:2020-11-21 Online:2023-11-18 Published:2023-03-23
  • Contact: Deng Qiang, Master, Chief physician, Master’s supervisor, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou 730050, Gansu Province, China
  • About author:Du Kairan, Master candidate, Gansu University of Chinese Medicine, Lanzhou 730030, Gansu Province, China
  • Supported by:
    the National Natural Science Foundation of China, No. 82060879 and 81860860 (both to DQ); the Key Development and Research Plan of Gansu Province, No. 20YF3FA014 (to DQ)

摘要:


文题释义:
牙科磨钻打磨法:定位准确后,选择牙科打磨机安装圆饼形钻头,调整合适转速后以180°水平面打磨棘突,将凸起棘突打磨平整后,再以30°-45°刮磨,初始打磨骨头呈白色,经打磨后慢慢变薄,逐渐转变为红白相间,伴随刺激神经,后下肢无自主性抬起,此时立即停止打磨。
显微器械摘除法:选用精确的显微剪刀沿着T10椎间隙向上剪开被打磨过的骨面,待椎体脊髓正中上方的骨头剔除干净后,两侧的残余不规则的骨头及关节突则选用弯头显微持针器轻轻夹除。

背景:目前脊髓损伤已成为世界性难题,实验动物造模是探索疾病的第一步,但现缺乏较为有效的实验动物模型。
目的:建立一种可复制、可调控、创伤小、死亡率低、出血量少、适用范围广、术中时间短的脊髓损伤大鼠模型。
方法:将选用的体质量相似的40只SD大鼠随机分为常规组和改进组,每组20只,常规组采用Allen法构建脊髓损伤模型,改良组在原有模型的基础上,运用牙科磨钻代替器械咬除,比较两组大鼠手术时间、术中出血量、死亡率及击打后1,3,6,9,12,15 d的BBB运动功能学评分。
结果与结论:改良继发性脊髓损伤模型建立方法比常规建模方法出血量少、死亡率低、造模时间短、BBB评分结果更集中,由此可证明改良后的击打方法更适用于继发性脊髓损伤模型的建立。
https://orcid.org/0000-0003-3042-5192 (邓强) 

中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松;组织工程

关键词: 脊髓损伤, 动物模型, Allen法, 改良, 大鼠, 运动功能, BBB评分

Abstract: BACKGROUND: Spinal cord injury has become a worldwide problem. Experimental animal modeling is the first step to explore the disease; however, there is a lack of experimental animal models that are more effective.
OBJECTIVE: To establish a rat model of spinal cord injury that can be replicated, regulated, has little trauma, low mortality, low blood loss, wide application and short intraoperative time.
METHODS: Forty Sprague-Dawley rats with similar body mass were selected and randomly divided into conventional model group and improved model group (n=20 per group), where the model of spinal cord injury was made using Allen’s method and improved method, respectively. In the improved model group, a dental drill was used for biting. Operation time, intraoperative blood loss, mortality, and Basso-Beattie-Bresnahan locomotor rating scale scores at 1, 3, 6, 9, 12, and 15 days after beating were compared between the two groups.
RESULTS AND CONCLUSION: The improved method for constructing the animal model of secondary spinal cord injury has the advantages of shorter modeling time, less intraoperative blood loss, lower mortablity, and more centralized Basso-Beattie-Bresnahan score data as compared with the conventional method, which proves that the improved method is more suitable for establishing the model of secondary spinal cord injury.

Key words: spinal cord injury, animal model, Allen’s method, improved, rat, motor function, Basso-Beattie-Bresnahan locomotor rating scale

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