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The effects of functional magnetic nanotubes with incorporated nerve growth factor in neuronal differentiation of PC12 cells

机译:含有神经生长因子的功能性磁性纳米管对PC12细胞神经元分化的影响

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In this in vitro study the efficiency of magnetic nanotubes to bind with nerve growth factor (NGF) and the ability of NGF-incorporated magnetic nanotubes to release the bound NGF are investigated using rat pheochromocytoma cells (PC12 cells). It is found that functional magnetic nanotubes with NGF incorporation enabled the differentiation of PC12 cells into neurons exhibiting growth cones and neurite outgrowth. Microscope observations show that filopodia extending from neuron growth cones were in close proximity to the NGF-incorporated magnetic nanotubes, at times appearing to extend towards or into them. These results show that magnetic nanotubes can be used as a delivery vehicle for NGF and thus may be exploited in attempts to treat neurodegenerative disorders such as Parkinson's disease with neurotrophins. Further neurite outgrowth can be controlled by manipulating magnetic nanotubes with external magnetic fields, thus helping in directed regeneration.
机译:在这项体外研究中,使用大鼠嗜铬细胞瘤细胞(PC12细胞)研究了磁性纳米管与神经生长因子(NGF)结合的效率以及结合了NGF的磁性纳米管释放结合的NGF的能力。发现掺入NGF的功能性磁性纳米管能够使PC12细胞分化为具有生长锥和神经突生长的神经元。显微镜观察表明,从神经元生长锥延伸的丝状伪足与掺入NGF的磁性纳米管非常接近,有时似乎朝着它们延伸或延伸到其中。这些结果表明,磁性纳米管可以用作NGF的递送载体,因此可以用于尝试用神经营养蛋白治疗神经退行性疾病,例如帕金森氏病。可以通过用外部磁场处理磁性纳米管来控制神经突的进一步生长,从而有助于定向再生。

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