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1Department of Molecular Genetics and Cell Biology, University of Chicago, 2Department of Human Genetics, University of Chicago
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Blank, M. C., Chizhikov, V., Millen, K. J. In Ovo Electroporations of HH Stage 10 Chicken Embryos. J. Vis. Exp. (9), e408, doi:10.3791/408 (2007).
蛋处理
制备
窗口
可选:要可视化的神经管,注入墨水的解决方案下的胚胎与26号针头(插入针下从胚胎以外的血液环)。印油墨应与汉克斯或类似的无菌缓冲溶液稀释1:5。
注射和电穿孔
注意:小心不要有尖较大神经管直径。在一般情况下,你就可以告诉如果已拉入毛细管液体是多么容易或硬实现最佳的针尖大小。如果有极强的抗,开放可能是太小,提示应再次被打破高。如果有很少或根本没有抵抗,开口过大,应该用一个新的针头。
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该协议提供了一个分步指南HH10鸡胚胎神经管电。除了显示技术,还提供了存储和处理的鸡蛋准则。这种技术具有广泛的应用范围为遗传分析和实验的易用性和低成本使它们成为许多实验室是可行的。
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| Name | Company | Catalog Number | Comments |
| Chicken egg incubator | humidified, set to 37.80°C (100F). | ||
| Pulse generator | Genetronics | BTX T820 | Square wave generator or comparable |
| Electrodes | our electrodes were made from 0.25 mm diameter platinum wire and were 5 mm long and spaced 1 mm apart | ||
| Connecter cables | |||
| Micromanipulator | |||
| Dissecting scope | with large working distance | ||
| Glass capillaries | and capillary puller or commercial glass needles | ||
| Leibovitz’s L-15 media | |||
| chicken eggs | fertilized | ||
| Curved scissors | |||
| 10 ml syringe | |||
| Large bore needle | 16-18G | ||
| Mouth pipette | |||
| India ink | |||
| Insulin syringe/syringe | |||
| Plasmid DNA | ≥ 1μg/μl in sterile TE or 1X PBS containing 0.05% Fast Green dye |
1. Itasaki, N., Bel-Vialar, S. and Krumlauf, R. 'Shocking' developments in chick embryology: electroporation and in ovo gene expression. Nat Cell Biol. 1, E203-7 (1999).
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ReplyPosted by: AnonymousNovember 29, 2007, 6:33 PM