目的：研究胶质细胞源性的神经营养因子（GDNF）对面神经损伤后的促再生作用。

Objective: To study the effect of glial cell line derived neurotrophic factor (GDNF) on facial nerve regeneration after injury.

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目的：观察胶质源性神经营养因子在神经前体细胞的存活和分化过程中的作用及其协同因子。

AIM to observe the effects of glial-derived neurotrophic factors on survival and differentiation of neural precursor cells and its cooperative factors.

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目的：研究脂质体介导的胶质细胞源性神经营养因子（GDNF）基因在大鼠损伤脊髓内的表达，观察外源性GDNF对损伤脊髓轴突再生的作用。

Objective: To examine the expression of glial cell line derived neurotrophic factor (GDNF) in injured spinal cord and to observe effect of exogenous GDNF on the regeneration of injured axons.

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