一株用于研究環(huán)境因素暴露效應(yīng)的神經(jīng)樣細(xì)胞
[Abstract]:In order to establish an immortalized neuron-like cell strain which can be used to study long-term environmental exposure, b FGF was used as preinducer and BHA,DMSO and 尾 -mercaptoethanol were used as inducers to induce human umbilical cord mesenchymal stem cells to differentiate into neural like cells. The changes of cell morphology were observed and the expression of Nestin,NSE,GFAP and MAP2 were detected by immunofluorescence and RTPCR. Single cell clones were isolated by dilution method. RT-PCR was used to detect the difference between Nestin and MAP2 gene expression and to determine whether the neuron-like characteristics of the obtained monoclonal cells could be maintained. The results showed that the cells were protruded, and the expression of Nestin,NSE,GFAP protein was positive by immunofluorescence, which indicated that MSCs was successfully induced into neuronal like cells, and the expression of Nestin gene increased 1.32 times after 11 passages. At 50 times, the expression of MAP2 gene decreased by 8.85 fold, while the expression of MAP2 gene increased 2.12 times at 11 times and 7.29 times at 50 times, which indicated that the expression of MAP2 gene had been differentiated from neural stem cells to neural like cells. The neuron-like cells obtained in this study can be subcultured continuously and maintain the characteristics of neuron-like cells. It can be used as a cell model for the study of the effects of environmental factors on the chronic injury of the nervous system.
【作者單位】: 北京工業(yè)大學(xué)生命科學(xué)與生物工程學(xué)院;北京工業(yè)大學(xué)材料科學(xué)與工程學(xué)院;中國疾病預(yù)防控制中心病毒病預(yù)防控制所;
【基金】:北京市教委科技計(jì)劃課題(KM201310005029) 973課題(2011-CB503705)資助~~
【分類號】:R114
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