高脂饮食诱导肥胖对小鼠缺血性脑损伤的影响

doi:10.3969/j.issn.1006-9771.2018.10.006

Abstract

Abstract: Objective To investigate the effect of diet-induced obesity on ischemia brain injury in mice.Methods A total of 60 male C57/Bl6 mice were treated with high-fat (high-fat group, n=30) or normal diet (control group, n=30) for three months, and each group was further divided into sham group and model group, with 15 mice in each subgroup. The model group was established the middle cerebral artery occlusion model. The nerve injury was evaluated with Neurologic Severity Score (NSS), the infarct volume was evaluated by 2,3,5- chlorinated three phenyl tetrazolium chloride (TTC) staining, the expression of sirtuin (Sirt1), Wnt and apoptosis inducing factor (AIF) were detected with Western blotting seven days after modeling.Results Seven days after modeling, the NSS was higher in the high-fat group than in the control group (t=10.053, P<; 0.05), and no significant difference was found in the infarct volume between two groups (t=6.872, P>; 0.05). The expression of Sirt1 (t=8.462, P<; 0.05) and AIF (t=8.471, P<; 0.05) was higher, and the expression of Wnt (t=17.752, P<; 0.01) was lower in the high-fat group than in the control group.Conclusion Obesity could affect the recovery of mice with MCAO, which may related with impaired Wnt signaling.

Key words: ischemic brain injury, obesity, mice

CLC Number:

R743.3

ZHANG Ji-hong, MA Cun-gen. Effect of Obesity Induced by High-fat Diet on Ischemic Brain Injury in Mice[J]. 《Chinese Journal of Rehabilitation Theory and Practice》, 2018, 24(10): 1146-1150.

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Effect of Obesity Induced by High-fat Diet on Ischemic Brain Injury in Mice

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