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中华神经创伤外科电子杂志 ›› 2017, Vol. 03 ›› Issue (04) : 226 -229. doi: 10.3877/cma.j.issn.2095-9141.2017.04.009

所属专题: 文献

基础研究

尼莫地平对蛛网膜下腔出血模型大鼠谷氨酸转运体表达的影响
王琳1, 王涛1, 梁迎春1, 宁方波1, 赵芳芳1, 张馨娜1,(), 张磊1   
  1. 1. 271000 泰安,山东省泰安市中心医院放射科
  • 收稿日期:2017-03-05 出版日期:2017-08-15
  • 通信作者: 张馨娜

Effects of nimodipine on glutamate transporter expression of SAH model rats

Lin Wang1, Tao Wang1, Yingchun Liang1, Fangbo Ning1, Fangfang Zhao1, Xinna Zhang1,(), Lei Zhang1   

  1. 1. Department of Neurosurgery, Tai’an City Central Hospital, Tai’an 271000, China
  • Received:2017-03-05 Published:2017-08-15
  • Corresponding author: Xinna Zhang
  • About author:
    Corresponding author: Zhang Xinna, Email:
引用本文:

王琳, 王涛, 梁迎春, 宁方波, 赵芳芳, 张馨娜, 张磊. 尼莫地平对蛛网膜下腔出血模型大鼠谷氨酸转运体表达的影响[J]. 中华神经创伤外科电子杂志, 2017, 03(04): 226-229.

Lin Wang, Tao Wang, Yingchun Liang, Fangbo Ning, Fangfang Zhao, Xinna Zhang, Lei Zhang. Effects of nimodipine on glutamate transporter expression of SAH model rats[J]. Chinese Journal of Neurotraumatic Surgery(Electronic Edition), 2017, 03(04): 226-229.

目的

探究尼莫地平对蛛网膜下腔出血(SAH)模型大鼠脑干组织中谷氨酸转运体表达情况影响。

方法

选取54只Wistar大鼠,按照随机数字表法分为对照组6只,SAH组24只和SAH-尼莫地平组24只,使用枕大池二次注血法建立SAH模型,SAH-尼莫地平组注射尼莫地平,分别检测三组大鼠基底动脉的最大血流速度以及谷氨酸转运体(EAATs)mRNA表达水平。

结果

SAH组第1、7、14天的基底动脉最大血流速度(Vba)显著高于对照组,SAH-尼莫地平组第1、7天的Vba显著高于对照组,SAH-尼莫地平组在第1、7、14天的Vba显著低于对照组,差异均有统计学意义(P<0.05)。SAH组第1天的EAAT-1/甘油醛-3-磷酸脱氢酶(GAPDH)显著低于对照组,第21天显著高于对照组;SAH-尼莫地平组4个时间点的EAAT-1/GAPDH值均显著高于对照组,第1、7、14天显著高于SAH组,差异均有统计学意义(P<0.05)。SAH组第1、7天的EAAT-2/GAPDH显著低于对照组,SAH-尼莫地平组第14、21天的EAAT-2/GAPDH显著高于对照组,4个时间点均显著高于SAH组,差异均有统计学意义(P<0.05)。SAH组第1、7天的EAAT-3/GAPDH显著低于对照组,SAH-尼莫地平组第1天的EAAT-3/GAPDH值均显著高于对照组,第1、7天显著高于SAH组,差异均有统计学意义(P<0.05)。

结论

使用尼莫地平可有效增加大鼠脑干中EAATs的表达水平,从而缓解脑血管痉挛,治疗SAH。

Objective

To investigate the effects of Nimodipine on the expression of glutamate transporter in the brain stem of subarachnoid hemorrhage (SAH) rats.

Methods

Fifty-four Wistar rats were randomly divided into control group (n=6), SAH group (n=24) and SAH-Nimodipine group (n=24). SAH model was established by injecting blood twice. The level of glutamate transporter (EAATs) mRNA and the maximal blood flow velocity of basilar artery in rats were detected by injection of Nimodipine.

Results

The Vba of SAH group was significantly higher than that of control group at 1, 7 and 14 d (P<0.05). The Vba of SAH-Nimodipine group was significantly higher than that of control group at 1 and 7 d (P<0.05). The Vba of 1, 7 and 14 d were significantly lower than those of the control group (P<0.05). EAAT-1/glyceraldehyde-3-phosphate dehydrogenase (GAPDH) of SAH group was significantly lower than that of control group at 1 d (P<0.05), and 21 d significantly higher than that of control group (P<0.05). The EAAT-1/GAPDH of SAH-Nimodipine group was significantly higher than that of the control group at 4 time points (P<0.05); the 1, 7 and 14 d were significantly higher than SAH group (P<0.05). The EAAT-2/GAPDH of SAH group was significantly lower than that of the control group at 1 and 7 d (P<0.05), and the EAAT-2/GAPDH of SAH group was significantly higher than that of SAH group at 14 d and 21 d after SAH-Nimodipine treatment (P<0.05). The EAAT-3/GAPDH of SAH group was significantly lower than that of the control group at 1 and 7 d (P<0.05). The EAAT-3/GAPDH of SAH group was significantly higher than that of SAH group at 1 and 7 d after SAH-nimodipine treatment(P<0.05).

Conclusion

Nimodipine can effectively increase the expression of EAATs, thereby relieving cerebral vasospasm, treatment of SAH.

表1 3组大鼠基底动脉的最大血流速度比较(±s
表2 3组大鼠谷氨酸转运体-1/甘油醛-3-磷酸脱氢酶比较
表3 3组大鼠谷氨酸转运体-2/甘油醛-3-磷酸脱氢酶比较
表4 3组大鼠谷氨酸转运体-3/甘油醛-3-磷酸脱氢酶比较
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