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近几年来,在神经生物学领域中有愈来愈多的实验结果证实:脊椎动物神经系统中的某些细胞在个体发生的过程中经历过自然死亡阶段。神经营养因子(neurotrophlcfactors)可维持和促进这些细胞的生存、生长和分化,在损伤情况下促进其再全”。为深入研究神经营养因子的作用,必须
In recent years, more and more experimental results in the field of neurobiology have confirmed that certain cells in the vertebrate nervous system have undergone the stage of natural death in the process of occurrence of an individual. Neurotrophic factors maintain and promote the survival, growth and differentiation of these cells and promote their replenishment in the event of injury. "In order to further investigate the role of neurotrophic factors, it is necessary