第1步<ol><li>板丝裂霉素C ggrowth抑制（10微克/毫升为2.5小时）MS5细胞明胶包30分钟（0.01％）6孔板中的α- MEM媒体的密度在70,000 /平方厘米。 </li><li>当细胞附着并已经形成了单层（过夜增长），切换至SRM。 </li><li>手动隔离ES细胞克隆胚胎干细胞的使用注射器文化与27 ½ G针。 </li><li> 1毫升的蓝色提示和低密度板MS5细胞（通常为2-3％菌落6孔板）仔细Tritrurate殖民地。 </li></ol> 注：胚胎干细胞也可以从使用胶原酶或胰蛋白酶的酶传播 。 第2步<ol><li> MS5馈线的ES细胞成长为14-21天，直到花环含菌落形成。 </li></ol> 注：更改媒体经常。通常是在殖民地和300-500纳克/毫升Noggin被添加到SRM（3）如果他们的形成，可大大提高外缘的花环 。 在一些分化协议，SRM可以用N2媒体交换，并辅以增长或其他因素，以促进细胞的规范（2-5 ）。 第3步<ol><li>隔离和花环半挑选了27 G针，在显微镜下。 </li></ol> 注意：避免削减和采摘MS5基质细胞。如果殖民地玫瑰花包装，也可以隔离整个殖民地。 第4步<ol><li>吸集群的花环，tritrurate 1毫升的蓝色提示，并在聚L -鸟氨酸（0.001％）和纤维连接蛋白（1微克/毫升）或层粘连蛋白（1微克/毫升）涂井板他们仔细N2 - 媒体通常辅以碱性成纤维细胞生长因子（20毫微克/毫升）。花环将改革和扩大。 </li></ol> 注意：要提高细胞的存活，可在水滴的小群，以增加细胞密度。这一步也可以修改，补充额外的增长或其他因素，以促进细胞的规范（2-5）的氮气介质。

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	<li>Kawasaki, H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Induction+of+midbrain+dopaminergic+neurons+from+ES+cells+by+stromal+cell-derived+inducing+activity.">Induction of midbrain dopaminergic neurons from ES cells by stromal cell-derived inducing activity.</a> Neuron. 28, 31-40 (2000).</li><li>Perrier, A. L., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Derivation+of+midbrain+dopamine+neurons+from+human+embryonic+stem+cells.">Derivation of midbrain dopamine neurons from human embryonic stem cells.</a> Proc Natl Acad Sci U S A. 101, 12543-12548 (2004).</li><li>Pruszak, J., Isacson, O., Sullivan, S., Cowan, C., Eggan, K. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Directed+differentiation+of+human+embryonic+stem+cells+into+dopaminergic+neurons.">Directed differentiation of human embryonic stem cells into dopaminergic neurons.</a> Human Embryonic Stem Cells: The Practical Handbook. , (2007).</li><li>Pruszak, J., Sonntag, K. C., Aung, M. 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Y., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Human+embryonic+stem+cell-derived+neural+precursors+as+a+continuous,+stable,+and+on-demand+source+for+human+dopamine+neurons.">Human embryonic stem cell-derived neural precursors as a continuous, stable, and on-demand source for human dopamine neurons.</a> J Neurochem. 103, 1417-1429 (2007).</li><li>Hong, S., Kang, U. J., Isacson, O., Kim, K. 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The authors have nothing to disclose.

此协议表明，在生成和隔离上皮细胞从人类胚胎干细胞使用SDIA的不同步骤。这种方法的应用是多方面的，在许多协议，并已用于生产特定的神经元（如1，2，5-9）。花环被认为是像神经管细胞与前表型（2，5，10），还含有神经嵴祖细胞（11，12）。此外，他们还保留一定程度的可塑性，因为它们可以在规定的培养条件下的具体因素的图案。因此，SDIA源性神经前体细胞可以引起多种细胞类型，从中央和外周神经系?...

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		<div>
		<table border="1">
		<thead>
		<tr>
		<th>Material Name</th>
		<th>Type</th>
		<th>Company</th>
		<th>Catalogue Number</th>
		<th>Comment</th>
		</tr>
		</thead>
		<tbody>
		
<tr>
<td>L-glutamine</td>
<td>&nbsp;</td>
<td>Gibco</td>
<td>25030</td>
<td>&nbsp;</td>
<tr>
<td>alpha-MEM</td>
<td>&nbsp;</td>
<td>Gibco</td>
<td>12571</td>
<td>&nbsp;</td>
<tr>
<td>penicillin/streptomycin</td>
<td>&nbsp;</td>
<td>Gibco</td>
<td>15140</td>
<td>&nbsp;</td>
<tr>
<td>Knockout-DMEM</td>
<td>&nbsp;</td>
<td>Gibco</td>
<td>10829</td>
<td>&nbsp;</td>
<tr>
<td>Knockout serum replacement</td>
<td>&nbsp;</td>
<td>Gibco</td>
<td>10828</td>
<td>&nbsp;</td>
<tr>
<td>MEM non-essential amino acid solution</td>
<td>&nbsp;</td>
<td>Gibco</td>
<td>12383</td>
<td>&nbsp;</td>
<tr>
<td>DMEM/F12</td>
<td>&nbsp;</td>
<td>Gibco</td>
<td>11330</td>
<td>&nbsp;</td>
<tr>
<td>N2-A supplement</td>
<td>&nbsp;</td>
<td>Stem Cell Technologies</td>
<td>07152</td>
<td>&nbsp;</td>
<tr>
<td>mitomycin-C</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>M0503</td>
<td>&nbsp;</td>
<tr>
<td>gelatine type-A</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>G1890</td>
<td>&nbsp;</td>
<tr>
<td>poly-L-ornithine</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>P4957</td>
<td>0.01 % solution </td>
</tr>
<tr>
<td>laminin</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>L-2020</td>
<td>&nbsp;</td>
<tr>
<td>fibronectin</td>
<td>&nbsp;</td>
<td>Sigma</td>
<td>F2006</td>
<td>&nbsp;</td>
<tr>
<td>basic fibroblast growth factor (bFGF)</td>
<td>&nbsp;</td>
<td>Invitrogen</td>
<td>13256</td>
<td>&nbsp;</td>
<tr>
<td>1 ml syringe with 27 1/2 G needle</td>
<td>&nbsp;</td>
<td>Becton Dickinson</td>
<td>309623</td>
<td>&nbsp;</td>
<tr>
<td>N2-A media</td>
<td>medium</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>DMEM/F12 + 1% N2-A supplement </td>
</tr>
<tr>
<td>Serum replacement media (SRM)</td>
<td>medium</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>Knockout-DMEM + 20 % Knockout serum replacement +1% MEM non-essential amino acid solution + 2 mM L-glutamine</td>
</tr>
<tr>
<td>&#x03B1;-MEM media</td>
<td>medium</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&#x03B1;-MEM + 10 % FBS + 2 mM L-glutamine + 1%penicillin/streptomycin</td>
</tr>
<tr>
<td>MS5</td>
<td>cell line</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>stromal cells </td>
</tr>
<tr>
<td>Microscope</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<tr>
<td>6 well plates</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
<td>for tissue culture</td>
</tr>		</tbody>
		</table>
		</div>
			<div>
					</div>

es cell-derived neuroepithelial cell cultures

胚胎干细胞有潜力分化成所有胚层，这使得他们的新疗法的发展有吸引力的工具细胞。在一般情况下，ES细胞的分化如下的概念，首先生成不成熟的祖细胞，然后就可以繁殖成成熟的细胞表型分化。这也适用于ES细胞源性神经元的神经细胞的发展，其中以下两个主要步骤：首先，推导和扩大，不成熟的神经上皮前体和第二，其分化为成熟的神经细胞。从ES细胞产生的神经前体细胞胚体（EB）的形成，从而揭示了所有胚层，包括神经外胚层细胞的分化是基于一个共同的方法。另一种更有效的方法诱导上皮细胞的发育，使用基质细胞衍生诱导活性（SDIA），可实现与颅骨骨骨髓来源的基质细胞（1）共培养的ES细胞。两个EB形成和SDIA，揭示发展的莲座状结构，这被认为是类似于神经管和/或神经嵴祖。可以分离出神经前体，扩大和进一步分化成特定的神经元和神经胶质细胞，使用定义的文化条件。在这里，我们描述的一代在与基质细胞MS5（2-5）共培养的实验和隔离等花环。

Watch this Scientific Journal Video about ES Cell-derived Neuroepithelial Cell Cultures at JoVE.com

ES Cell-derived Neuroepithelial Cell Cultures

从胚胎干细胞（ES）细胞基质细胞衍生诱导活性（SDIA）上皮前体的推导。

ES细胞源性神经上皮细胞培养

ES cells have the potential to differentiate into cells from all germ layers, which makes them an attractive tool for the development of new therapies. In ...

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13.4K 次观看.  Harvard Medical School. 从胚胎干细胞（ES）细胞基质细胞衍生诱导活性（SDIA）上皮前体的推导。