大鼠坐骨神经损伤后GAP-43基因表达的变化
被引量:1
摘要
目的:探讨大鼠坐骨神经损伤后GAP-43基因表达的变化。方法:采用RT-PCR法,半定量分析坐骨神经横断后1d、2d、4d、1W、2W、4W远侧端组织中GAP-43m.RNA含量的变化。结果:大鼠正常坐骨神经中存在NGF mRNA,但表达量较低。坐骨神经横断后,其远侧端组织中GAP-43 mRNA表达量显著升高,1周达到高峰,两周开始下降,4周则降至一般水平。结论:坐骨神经损伤后,GAP-43基础的表达呈现出增高现象,提示OAP-43 mRNA的表达和蛋白质合成与神经损伤再生密切相关。
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