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Chinese Journal of Neurotraumatic Surgery(Electronic Edition) ›› 2021, Vol. 07 ›› Issue (02): 68-74. doi: 10.3877/cma.j.issn.2095-9141.2021.02.002

Special Issue:

• Traumatic Brain Injurys • Previous Articles     Next Articles

Ameliorative effect of hydrogen water on mice with anxiety and depression-like behavior after repetitive mild brain injury

Shenghua Lu1, Xiaojian Xu1, Xuejiao Wang2, Fei Gao1, Bin Zhang1, Qianqian Ge1, Mengshi Yang1, Fei Niu1, Jinqian Dong1, Yuan Zhuang1, Baiyun Liu1, Runfa Tian1,()   

  1. 1. Beijing Key Laboratory of Central Nervous System Injury and Department of Neurosurgery, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
    2. Department of Neurosurgery, Third People’s Hospital of Datong, Datong 037008, China
  • Received:2021-01-19 Online:2021-04-15 Published:2021-05-24
  • Contact: Runfa Tian

Abstract:

Objective

To establish and verify the animal model of repetitive mild traumatic brain injury (rmTBI), and to verify the protective effect of hydrogen water on rmTBI model animals and the behavioral improvement caused by hydrogen water.

Methods

Twenty C57BL/6 mice were randomly divided into control group (n=4), impact group (n=8) and intervention group (n=8). The impact group and intervention group were treated with closed craniocerebral percussion device once a day for 5 consecutive days. The control group and the impact group were fed with pure water, and the intervention group were fed with hydrogen water (H2 content 0.003‰). The open-field test, elevated plus-maze and tail suspension test were used to evaluate the anxiety and depression-like behavior of mice on the 1st, 3rd, 5th, 7th, 15th, 30th day-post impact (DPI).

Results

On DPI 3, the resting latency of the suspended tail test in the control was significantly longer than that in the impact group (P<0.05), whereas it was not significantly different from that in the intervention group; on DPI 3, the open-arm exploring time of elevated plus-mazae by the control group was significantly longer than that of the impact group (P<0.05), whereas it was not significantly different from that of the intervention group; on DPI 15, the resting time of the control group in the open-field test was significantly shorter than that of the intervention group (P<0.05), and the number of wall climbing was significantly greater than that of the intervention group (P<0.05), whereas there was no significant difference between the impact group and the intervention group. On DPI 30, the open arm time of the elevated plus-maze exploration in the control mice was significantly longer than that in the impact and intervention groups (P<0.05), whereas there was no statistical difference between the impact and intervention groups.

Conclusion

Hydrogen water showed some ameliorative effects on symptoms such as irritability and reduced activity in the early stage after injury in rmTBI mice, but it was not effective in preventing and treating depression-like behaviors and exploratory memory impairment in long term observation after injury.

Key words: Repetitive mild traumatic brain injury, Brain concussion, Post-concussion syndrome, Chronic traumatic encephalopathy, Equipment design, Animal behavior test

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