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Time-course of GDNF and its receptor expression after brain injury in the rat.

机译:大鼠脑损伤后GDNF的时程及其受体表达。

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摘要

The aim of the present work was to perform, by in situ hybridization, a time-course analysis of the glial cell line-derived neurotrophic factor (GDNF) and its receptor mRNA expression in two models of brain injury in the rat: (a) excitotoxic lesion by ibotenic acid injection in the hippocampal formation; (b) mechanical lesion by needle insertion through the cerebral cortex including the white matter of the corpus callosum. The time-course analysis, ranging from 6h to 8 days, showed that the GDNF and its receptor (RET, GFRalpha-1 and GFRalpha-2) mRNA expressions were differentially up-regulated in both models of lesion. This in vivo regulation of the GDNF and its receptor mRNA expression indicates their involvement in the process of neuronal protection and regeneration occurring after brain injury.
机译:本工作的目的是通过原位杂交在两种大鼠脑损伤模型中对神经胶质细胞系神经营养因子(GDNF)及其受体mRNA表达进行时程分析:(a)通过在海马形成中注射ibotenic acid引起兴奋性毒性病变; (b)穿刺针穿过大脑皮层(包括call体的白质)而引起的机械损伤。时程分析从6h到8天不等,表明在两种病变模型中GDNF及其受体(RET,GFRalpha-1和GFRalpha-2)的mRNA表达差异上调。 GDNF及其受体mRNA表达的体内调节表明它们参与了脑损伤后发生的神经元保护和再生过程。

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