神经营养的

First neurotrophic factors could be concentrated within nerve conduits. Second fibre-bridge to anastomose two parts of nerve gaps could be formed ecxactly. Third operation of nerve conduits could be transplanted easily.

神经导管一方面能使神经营养因子在导管内积聚，浓度增高，另一方面引导神经缺损两端准确对合，同时导管的植入操作简单，可以减少手术对神经的损伤。

Results GDNF plays extensive roles in the development and disease of motoneuron.

胶质细胞源性神经营养因子(glialcellline-derivedneurotropicfactor，GDNF)最初是从大鼠胶质细胞系B49的条件培养基中分离纯化获得的一个新的神经营养因子，GDNF为分泌性碱性蛋白质，在中枢神经系统和周围器官中有广泛分布，其表达受不同的转录因子等调控。

Neurotrophin-3/neurotrophic factor 3 is the important member of neurotrophin family, which can prevent embryonic and postnatal motoneuron death, maintain neuron survival, promote reparation and regeneration after nervous injury, and regulate synapse activity of neuron.

神经元营养因子-3 （neurotrophin-3， NT-3），是神经营养因子家族的重要成员，具有阻止胚胎期及出生后运动神经元细胞死亡，维持神经元的存活及促进神经损伤后的修复与再生，并参与调节神经元突触活动的作用。

Objective To study the effects of olfactory ensheathing cells , NGF and BDNF on the proliferation of neural stem cells.

目的 研究嗅鞘细胞及其表达的神经生长因子和脑源性神经营养因子对神经干细胞增殖的影响。

GDNF has been reported to exhibit trophic actions on various neurons of central nervous system and peripheral nervous system .

GDNF对中枢及外周的多种神经元有神经营养作用，与目前已知的神经营养因子相比，GDNF对受到损伤的多巴胺能神经元和运动神经元的促存活作用最为显著。

Nerve stem cell can be differentiation into astroblast, oligodendrocyte and nerve cell induced by factors.

神经干细胞的增殖分化可受各种因素的影响，目前已知，许多细胞因子，生长因子，营养因子以及细胞外环境等因素的作用，可诱导神经干细胞向不同的终末细胞分化，若能在体外分离培养神经干细胞并在促分化因子的作用下，诱导神经干细胞向某一特定方向分化，将为干细胞的分化机制提供有力的实验依据。

Objective To study the levels of brain-derived neurotrophic factor protein in experimental dogs using multiple cauda equina constrictions throughout the entire lumbar, sacral and coccygeal spinal cord and their central processes of the dorsal root ganglia neurons resulting in the acute and severe cauda equina syndrome.

目的研究实验性犬急性重度马尾神经压迫48h的相关脊髓和背根神经节（dorsal root ganglion，DRG）内脑源性神经营养因子（brain-derived neurotrophic factor，BDNF）蛋白表达水平。

Many studies reported suggest both neuronal precursor cells before innervation of target fields and the neurons of adult animal coexpress neurotrophic factors and their receptors, implying that autocrine and paracrine modes of NTFs exit. It has been observed that a number of neurotrophic factors and their receptors were expressed in cultured hippocampal cells and dorsal root ganglionic cells.

研究表明，无论是靶组织联系建立以前的神经元前体细胞，还是成年后的神经元，均有神经营养因子与其受体的共同表达，提示有神经营养因子自分泌和旁分泌存在的可能性。

This part is to explore the effect about rhEPO on neuromotor function, secondary pathology change and expression of NT-3 and NGF, which administered at different time after rat traumatic spinal cord injury.

本研究在脊髓损伤后不同时间应用促红细胞生成素，探讨其对神经运动功能和继发性病理改变的保护作用及对神经生长因子和神经营养因子-3表达的影响。

Erythropoietin is a cell factor of regulating haematopoiesis, recently study discover that EPO and EPOR widespreadly exist in central nervous system,both boinding possessed nerve growth,neurotropy and neuroprotective effect,whose mechanism was complicate and not clear.

促红细胞生成素(erythropoietin，EPO)是一个调节血细胞生成的细胞因子，近来发现EPO及其受体在中枢神经系统中广泛存在，二者结合后具有促进神经生长、神经营养和神经保护作用，但其具体作用机制较复杂，仍然不十分清楚。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。