Up-regulation of glial cell line-derived neurotrophic factor (GDNF) following traumatic spinal cord injury

被引:88
|
作者
Satake, K
Matsuyama, Y
Kamiya, M
Kawakami, H
Iwata, H
Adachi, K
Kiuchi, K [1 ]
机构
[1] Nagoya Univ, Sch Med, Dept Orthopaed Surg, Nagoya, Aichi 4668550, Japan
[2] RIKEN, Biomimet Control Res Program, Lab Genes Motor Syst, Moriyama Ku, Nagoya, Aichi 4630003, Japan
[3] Gifu Univ, Fac Engn, Dept Biomol Sci, Gifu 5011193, Japan
关键词
glial cell line-derived neurotrophic factor; macrophage; microglia; rat; spinal cord injury; weight drop technique;
D O I
10.1097/00001756-200011270-00054
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
We investigated the temporal and spatial expression patterns of the GDNF gene after subjecting rats to an acute contusion injury of the spinal cord using the weight drop technique. Reverse transcriptase-polymerase chain reaction (RT-PCR) revealed that GDNF transcription in the spinal cord began to increase within 30 min after injury and peaked within 3 h. Immunohistochemical analysis showed GDNF immunoreactivity to be present mainly in microglia and macrophages 1 day after injury,but not in neurons or astrocytes. This immediate upregulation of GDNF gene expression may be a component of an inflammatory process and probably exerts a protective effect on neurons following spinal cord injury (SCI). NeuroReport 11:3877-3881 (C) 2000 Lippincott Williams & Wilkins.
引用
收藏
页码:3877 / 3881
页数:5
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