Dynamic expression of cerebral cortex and hippocampal glutamate transporters in a rat model of chest compression-induced global cerebral ischemia

被引:2
|
作者
Guo, Qinhua [1 ]
Lan, Jin [1 ]
Zhang, Weiqiao [1 ]
Guo, Pin [1 ]
Guo, Liemei [1 ]
Li, Zhiqiang [2 ]
Qiu, Yongming [1 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Med, Renji Hosp, Dept Neurosurg, Shanghai 200127, Peoples R China
[2] Anhui Univ Sci & Technol, Shanghai Neurol Res Inst, Cent Hosp Fengxian Dist, Shanghai 201400, Peoples R China
基金
中国国家自然科学基金;
关键词
apoptosis; excitatory amino acid carrier 1; global cerebral ischemia; glutamate-aspartate transporter; glutamate transporter; glutamate transporter-1; neuroprotection; GLT-1; RELEASE; INJURY;
D O I
10.3969/j.issn.1673-5374.2012.02.008
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
The present study established a rat model of global cerebral ischemia induced by chest compression for six minutes to dynamically observe expressional changes of three glutamate transporters in the cerebral cortex and hippocampus. After 24 hours of ischemia, expression of glutamate transporter-1 significantly decreased in the cerebral cortex and hippocampus, which was accompanied by neuronal necrosis. At 7 days post-ischemia, expression of excitatory amino acid carrier 1 decreased in the hippocampal CA1 region and cortex, and was accompanied by apoptosis. Expression of glutamate-aspartate transporter remained unchanged at 6 hours-7 days after ischemia. These results suggested that glutamate transporter levels were altered at different periods of cerebral ischemia.
引用
收藏
页码:125 / 130
页数:6
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