中国神经再生研究(英文版) ›› 2016, Vol. 11 ›› Issue (4): 630-635.doi: 10.4103/1673-5374.180749

• 原著:脑损伤修复保护与再生 • 上一篇    下一篇

重物坠落法建立闭合性脑损伤小鼠模型:改良认知功能缺损的评估

  

  • 收稿日期:2015-12-22 出版日期:2016-04-30 发布日期:2016-04-30
  • 基金资助:

    这项研究是由马来西亚高等教育部,RAGS/2013/ UPNM/ SKK/ 01/2资助。

A mouse model of weight-drop closed head injury: emphasis on cognitive and neurological deficiency

Igor Khalin1,*, Nor Laili Azua Jamari2, Nadiawati Bt Abdul Razak1, Zubaidah Bt Hasain1, Mohd Asri bin Mohd Nor3, Mohd Hakimi bin Ahmad Zainudin4, Ainsah Bt Omar1, Renad Alyautdin5   

  1. 1 Faculty of Medicine and Defence Health, National Defence University of Malaysia, Kem Sungai Besi, Kuala Lumpur, Malaysia
    2 Chemistry Department, Centre for Defence Foundation Studies, National Defence University of Malaysia, Kem Sungai Besi, Kuala Lumpur, Malaysia
    3 Department of Civil Engineering, Faculty of Engineering, National Defence University of Malaysia, Kem Sungai Besi, Kuala Lumpur, Malaysia
    4 Centre for Research and Innovation Management, National Defence University of Malaysia, Kem Sungai Besi, Kuala Lumpur, Malaysia
    5 Scientific Centre for Expertise of Medical Application Products, Petrovsky Blvd, Moscow, Russia
  • Received:2015-12-22 Online:2016-04-30 Published:2016-04-30
  • Contact: Igor Khalin, igor@upnm.edu.my.
  • Supported by:

    The study was supported by a grant from the Ministry of Higher Education of Malaysia, No. RAGS/2013/UPNM/SKK/01/2.

摘要:

为了筛选治疗创伤性脑损伤的有效方法,建立能模拟临床实际情况的标准创伤性脑损伤小动物模型尤为重要。实验对Shohami重物坠落闭合性脑损伤小鼠模型认知缺损评估进行改良。结果发现250g重物从2cm高处坠落打击可造成C57Bl/6小鼠严重闭合性脑损伤,同时发现该损伤小鼠的认知功能缺损可在损伤后7d通过被动回避测试检测到。由此认为重物坠落法建立闭合性脑损伤小鼠模型可用于人类大脑神经保护剂的筛选。

orcid: 0000-0003-1041-5747 (Igor Khalin)

关键词: 神经再生, 创伤性脑损伤, 认知功能, 被动回避, 重物坠落损伤模型, 神经保护

Abstract:

Traumatic brain injury (TBI) is a leading cause of death and disability in individuals worldwide. Producing
a clinically relevant TBI model in small-sized animals remains fairly challenging. For good screening
of potential therapeutics, which are effective in the treatment of TBI, animal models of TBI should be
established and standardized. In this study, we established mouse models of closed head injury using the
Shohami weight-drop method with some modifications concerning cognitive deficiency assessment and
provided a detailed description of the severe TBI animal model. We found that 250 g falling weight from
2 cm height produced severe closed head injury in C57BL/6 male mice. Cognitive disorders in mice with
severe closed head injury could be detected using passive avoidance test on day 7 after injury. Findings
from this study indicate that weight-drop injury animal models are suitable for further screening of brain
neuroprotectants and potentially are similar to those seen in human TBI.

Key words: nerve regeneration, traumatic brain injury, neurological severity score, passive avoidance, weightdrop injury model, C57BL/6 mice, neural regeneration