中国组织工程研究 ›› 2018, Vol. 22 ›› Issue (4): 564-569.doi: 10.3969/j.issn.2095-4344.0091

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

隔日限食疗法可促进钳夹型脊髓损伤模型大鼠运动功能的恢复

孙年怡1,2,熊兴娟1,何  宇3,王文春2,张安仁2   

  1. 1成都中医药大学,四川省成都市  610037;2解放军成都军区总医院康复医学科,四川省成都市  610083;3中国医科大学附属盛京医院康复中心,辽宁省沈阳市  110134
  • 收稿日期:2017-09-11 出版日期:2018-02-08 发布日期:2018-02-08
  • 通讯作者: 张安仁,主任医师,教授,博士生导师,成都军区总医院康复医学科,四川省成都市 610083
  • 作者简介:孙年怡,女,1986年生,四川省成都市人,汉族,成都中医药大学毕业,博士,主治医师,主要从事循证医学与康复治疗技术的临床与基础研究。
  • 基金资助:

    国家自然科学基金项目(81674044)

Every-other-day fasting improves motor functional recovery of rats with clip-compression injury of the spinal cord

Sun Nian-yi1, 2, Xiong Xing-juan1, He Yu3, Wang Wen-chun2, Zhang An-ren2   

  1. 1Chengdu University of TCM, Chengdu 610037, Sichuan Province, China; 2Department of Rehabilitation Medicine, Chengdu Military General Hospital, Chengdu 610083, Sichuan Province, China; 3Rehabilitation Center, Shengjing Hospital of China Medical University, Shenyang 110134, Liaoning Province, China
  • Received:2017-09-11 Online:2018-02-08 Published:2018-02-08
  • Contact: Zhang An-ren, Chief physician, Professor, Doctoral Supervisor, Department of Rehabilitation Medicine, Chengdu Military General Hospital, Chengdu 610083, Sichuan Province, China
  • About author:Sun Nian-yi, M.D., Attending physician, Chengdu University of TCM, Chengdu 610037, Sichuan Province, China; Department of Rehabilitation Medicine, Chengdu Military General Hospital, Chengdu 610083, Sichuan Province, China
  • Supported by:

    the National Natural Science Foundation of China, No. 81674044

摘要:

文章快速阅读:

文题释义:
钳夹型脊髓损伤模型:属于脊髓钝性损伤模型,目前常采用医用动脉瘤夹建模,可较好地模拟人类脊髓损伤的生物力学和病理生理过程,对研究脊髓损伤后急性期的病理生理变化、评估神经保护性干预治疗等方面具有重要作用。
隔日限食:间断性禁食是一种通过正常饮食和禁食交替进行来预防和治疗某些疾病的饮食限制方法。间断性禁食有多种形式,通常采用隔日限食,即正常饮食与限食各24 h,交替进行,限食日仅进食晚餐但可自由饮水。
摘要
背景:
饮食干预疗法可能是目前脊髓损伤多种潜在有效治疗方法中临床可行性、安全性及经济效率最好的方法之一。
目的:观察隔日限食对钳夹型脊髓损伤大鼠脊髓组织病理变化和运动功能恢复的影响。
方法:采用医用动脉瘤夹建立36只SD大鼠脊髓损伤钳夹模型,随机分为4组:脊髓损伤+隔日限食组、脊髓损伤组、假手术+隔日限食组、假手术组。观察各组大鼠术后进食量与体质量变化,分别于术前1 d及术后1 d、术后第1,2,4,6,8,10,12周,采用BBB评分评估大鼠运动功能的恢复情况;术后第12周做常规苏木精-伊红染色切片,观察各组大鼠脊髓损伤组织结构改变。
结果与结论:①脊髓损伤大鼠BBB评分在术后1 d降至最低,随时间逐渐增加,术后第8-12周,脊髓损      伤+隔日限食组大鼠BBB评分优于脊髓损伤组大鼠,差异具有显著性变化;②术后第12周,苏木精-伊红染色结果显示脊髓损伤+隔日限食组组大鼠较脊髓损伤组大鼠脊髓损伤病变程度轻;③结果提示,隔日限食可以促进脊髓损伤大鼠的运动功能恢复,对大鼠脊髓损伤具有一定的保护作用。

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
ORCID: 0000-0002-3524-4828(孙年怡)

关键词: 隔日限食, 组织结构, 脊髓损伤, 大鼠, 钳夹模型, 运动功能

Abstract:

BACKGROUND: Dietary intervention may be the most available, safe, economic and efficient approach to treat spinal cord injury.
OBJECTIVE: To observe the effects of dietary restriction in the form of every-other-day fasting (EODF) on the pathological changes and functional recovery of rats with clip-compression injury of the spinal cord.
METHODS: The models of spinal cord injury were established by a medical aneurysm clip in 36 Sprague-Dawley rats, and model rats were then randomized into four groups: group A with spinal cord injury and EODF, group B with spinal cord injury, group C with sham operation and EODF, and group D with sham operation. Food intake and body mass were observed. Motor functional recovery in rats was assessed by Basso, Beattie, Bresnahan scores at preoperative 1 day and postoperative 1 day, 1, 2, 4, 6, 8, 10, and 12 weeks. At 12 weeks after operation, the morphological changes of the spinal cord were observed through hematoxylin-eosin staining.
RESULTS AND CONCLUSION: The Basso, Beattie, Bresnahan score in the group B was decreased to the lowest at postoperative 1 day, and gradually increased with time. At 8-12 weeks after operation, the scores in the group A were significantly superior to those in the group B. At 12 weeks after operation, hematoxylin-eosin staining showed less lesion of the spinal cord in the group A than the group B. These results indicate that EODF can improve the motor functional of rats with spinal cord injury, and exerts effective protection on the injured spinal cord.

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

Key words: Spinal Cord Injuries, Intervention Studies, Caloric Restriction, Tissue Engineering

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