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首页> 外文期刊>ACS applied materials & interfaces >Toward the Development of an Artificial Brain on a Micropatterned and Material-Regulated Biochip by Guiding and Promoting the Differentiation and Neurite Outgrowth of Neural Stem/Progenitor Cells
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Toward the Development of an Artificial Brain on a Micropatterned and Material-Regulated Biochip by Guiding and Promoting the Differentiation and Neurite Outgrowth of Neural Stem/Progenitor Cells

机译:通过引导和促进神经茎/祖细胞的分化和神经突生长的微透明理由和物质调节生物芯片对人工大脑的发展

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摘要

An in vitro model mimicking the in vivo environment of the brain must be developed to study neural communication,and regeneration and to obtain an understanding of cellular and molecular responses. In this work, a multilayered neural network-was successfully constructed on a biochip by guiding and promoting neural stem/progenitor cell differentiation and network forination. The biochip consisted of 3 X 3 arrays of cultured wells connected with channels. Neurospheroids were cultured on polyelectrolyte multilayer (PEM)- films in the culture wells. Neurite outgrowth and neural differentiation" were guided and promoted by the micropatterns and the PBM films. After 5 days in culture, a 3 x 3 neural network was constructed on the biochip. The function and the connections of the network were evaluated by iinmunocytochemistry and impedance measurements. Neurons were generated and produced functional and recyclable synaptic vesicles. Moreover, the electrical connections of the neural network were confirmed by measuring the impedance across the neurospheroids. The current work facilitates the development of an artificial brain on a chip for investigations of electrical stimulations and recordings of multilayered neural comMunication,and regeneration.
机译:必须开发模仿大脑体内环境的体外模型,以研究神经通信和再生,并获得对细胞和分子反应的理解。在这项工作中,通过引导和促进神经茎/祖细胞分化和网络前导,在生物芯片上成功构建了多层神经网络。 Biochip由3 x 3阵列的培养孔,与通道连接。在培养孔中的聚电解质多层(PEM) - 薄膜上培养神经球体。通过微米图和PBM薄膜引导和促进神经沸石过度和神经分化。在培养5天后,在Biochip上构建了3×3神经网络。通过Iinmunocytochemistry和阻抗评估了网络的功能和连接测量。产生神经元并产生功能和可回收的突触囊泡。此外,通过测量神经球体的阻抗来确认神经网络的电连接。目前的工作有助于在芯片上开发用于研究电刺激的芯片上的人工大脑多层神经通信的记录和再生。

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