中枢神经损伤引起的神经元死亡不能通过神经元的分裂增殖途径来替换 ,但有可能通过新生或成年动物中枢神经内存在的神经前体细胞增殖分化来替换死亡的神经元。本研究从中枢神经分离出神经前体细胞 ,借助体外培养扩增并转染绿色荧光蛋白 (GFP)基因 ,为替换脊髓损伤的死亡神经元 Neuronal death caused by central nerve injury can not be replaced by the neuronal proliferative pathway, but it is possible to replace the dead neurons by proliferating and differentiating neural precursor cells existing in the central nervous system of newborn or adult animals. In this study, neural precursor cells were isolated from the central nervous system, with the help of in vitro culture to amplify and transfect green fluorescent protein (GFP) gene, in order to replace the dead neurons of spinal cord injury