Analysis of neural crest cell fate during cardiovascular development using Cre-activated lacZ/β-galactosidase staining.

Analysis of neural crest cell fate during cardiovascular development using Cre-activated lacZ/β-galactosidase staining.
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使用 Cre 激活 lacZ/β-半乳糖苷酶染色分析心血管发育过程中的神经嵴细胞命运。

DOI:
10.1007/978-1-61779-523-7_12
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发表时间:
2012
期刊:
Methods in molecular biology (Clifton, N.J.)
影响因子:
--
通讯作者:
Ruest,LBruno
Ruest,LBruno
中科院分区:
--
文献类型:
--
作者:
Zhang,Yanping;Ruest,LBruno

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重要的是要确定调节心血管发育的机制。然而,通常需要复杂的遗传工具,包括在特异性启动子控制下或在与Cre重组酶重组后表达编码β-半乳糖苷酶的lacZ转基因的转基因动物。后者可用于鉴定发育中的心血管系统的特定细胞群,包括神经嵴细胞。对这些细胞的追踪可以帮助阐明它们在突变胚胎中的命运,并阐明一些先天性心血管出生缺陷的病因。本章重点介绍了用Wnt 1-CreandR 26 R小鼠系追踪心脏神经嵴细胞的方法,这些方法用于染色整片或切片的胚胎组织,以检测lac Z转基因的表达。我们还提供了一个协议,使用荧光激活细胞分选收集神经嵴细胞进行进一步分析。这些方案可用于表达CreandlacZ的任何胚胎。
It is important to identify the mechanisms regulating cardiovascular development. However, complex genetic tools are often required, including transgenic animals that express thelacZtransgene encoding the β-galactosidase enzyme under the control of a specific promoter or following recombination with the Cre recombinase. The latter can be useful for identifying specific cell populations of the developing cardiovascular system, including neural crest cells. The tracking of these cells can help clarify their fate in mutant embryos and elucidate the etiology of some congenital cardiovascular birth defects. This chapter highlights the methods used to stain embryonic tissues in whole mount or sections to detect the expression of thelacZtransgene with a focus on tracking cardiac neural crest cells using theWnt1-CreandR26Rmouse lines. We also provide a protocol using fluorescence-activated cell sorting for collecting neural crest cells for further analysis. These protocols can be used with any embryos expressingCreandlacZ.
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