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Chinese Journal of Neurotraumatic Surgery(Electronic Edition) ›› 2020, Vol. 06 ›› Issue (01): 44-48. doi: 10.3877/cma.j.issn.2095-9141.2020.01.011

Special Issue:

• Basic Research • Previous Articles     Next Articles

Visfatin improves the neurological repair of traumatic brain injury mice

Yi Wu1, Zai Liang2, Yong Liu3, Chenghui Liu1,()   

  1. 1. Department of Neurosurgery, The People’s Hospital of Nanhai District, Foshan 528200, Guangdong Province, China
    2. Stroke Centre, The Affiliated Lianjiang Hospital of Guangdong Medical University, Lianjiang 524400, Guangdong Province, China
    3. College of Pharmacy, Guangdong Medical University, Zhanjiang 524000, Guangdong Province, China
  • Received:2019-10-26 Online:2020-02-15 Published:2020-02-15
  • Contact: Chenghui Liu
  • About author:
    Corresponding author: Liu Chenghui, Email:

Abstract:

Objective

To explore the neuroprotective effect and mechanism of visfatin in traumatic brain injury (TBI) mice model.

Methods

A total of 48 C57BL/6 mice with hydraulic shock brain injury model were established by means of hydraulic shock method, and then randomly divided into experimental group A, experimental group B and control group, 16 mice each. Three hours after the establishment of the model, experimental group A and experimental group B were given intraperitoneal injection of visfatin 15 and 30 μg/kg, respectively, once a day for 7 d, while the control group was given intraperitoneal injection of normal saline. Neurological severity scores (NSS) were compared before treatment, on day 3, day 14, and day 28 using 10 randomly selected mice. On the second day after the end of treatment, the whole brain of 3 mice in each group were randomly collected to compare the difference of positive cells after TUNEL staining, and then 3 mice were randomly collected from the brain tissue to compare the differences of apoptosis-related protein levels. The remaining 10 mice were compared with Morris water maze experiment from 24 to 28 d after treatment.

Results

There was no statistical difference in NSS scores of 3 groups at day 3 (P>0.05), but at day 14 and 28, the NSS scores of the visfatin-treated group were lower than those of the control group, with significant differences (P<0.05). There was no statistically significant difference in the latent escape period of water maze in the 3 groups at the 24th and 25th day (P>0.05), but at the 26th, 27th and 28th day, the latent escape period of water maze in the visfatin-treated group was smaller than that in the control group (P<0.05). The number of TUNEL positive cells in the brain sections of rats treated with lipoprotein was smaller than that of the control group (P<0.05), and the expression levels of apoptosis-related protein cleave caspase-3 and cleaved PARP were also lower than those of the control group (P<0.05).

Conclusion

Visfatin can inhibit the apoptosis of neural cells peripheral lesion and reduce the expression of apoptosis-related proteins after TBI in mice, improve the repair of neural function.

Key words: Traumatic brain injury, Neural function repairment, Visfatin

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