Transgenic mice for cre-inducible overexpression of the Cul4A gene.

Transgenic mice for cre-inducible overexpression of the Cul4A gene.
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DOI:
10.1002/dvg.20708
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发表时间:
2011-03
期刊:
影响因子:
1.5
通讯作者:
You, Liang
You, Liang
中科院分区:
生物学4区
文献类型:
--
作者:
Li, Tong;Hung, Ming-Szu;Wang, Yucheng;Mao, Jian-Hua;Tan, Jia-Li;Jahan, Kenneth;Roos, Hannah;Xu, Zhidong;Jablons, David M.;You, Liang

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Cullin 4A (Cul4A)基因在细胞存活、发育、生长和细胞周期控制中起重要作用,在乳腺癌和肝癌中被扩增。最近,我们报道了Cul4A在间皮瘤的发病机制中起致癌作用。在体内靶向过表达Cul4A基因是研究Cul4A在不同组织中的重要策略。Cul4A在小鼠中的研究仅限于Cul4A敲除小鼠的功能丧失研究;利用转基因小鼠进行Cul4A功能获得的研究尚未见报道。因此,我们建立了一个功能获得转基因小鼠模型,以cre依赖的方式过度表达Cul4A。在Cre重组之前,这些小鼠在大多数成年组织的发育过程中表达LacZ。在cre介导的LacZ报告基因切除后,转染的Cul4A基因在不同组织中与c端myc标签一起表达。在这项研究中,通过吸入一种编码Cre重组酶的腺病毒载体,在小鼠肺中诱导Cre切除。该小鼠模型为研究Cul4A过表达在不同组织中的意义提供了宝贵的资源。
The Cullin 4A (Cul4A) gene is important in cell survival, development, growth, and cell cycle control and is amplified in breast and hepatocellular cancers. Recently, we reported that Cul4A plays an oncogenic role in the pathogenesis of mesothelioma. An important strategy for studying Cul4A in different tissues is targeted overexpression of this gene in vivo. Studies of Cul4A in mice have been restricted to the loss-of-function studies using Cul4A knockout mice; gain-of-function studies of Cul4A using transgenic mice have not been reported. We, therefore, generated a gain-of-function transgenic mouse model that over-expresses Cul4A in a Cre-dependent manner. Before Cre recombination, these mice express LacZ during development in most adult tissues. After Cre-mediated excision of the LacZ reporter, the transfected Cul4A gene is expressed along with a C-terminal Myc-tag in different tissues. In this study, Cre-excision was induced in mouse lungs by inhalation of an adenovirus vector encoding Cre recombinase. This mouse model provides a valuable resource for investigating the significance of Cul4A overexpression in various tissues.
DOI: 10.1016/j.molcel.2009.04.020
发表时间: 2009-05-14
期刊: MOLECULAR CELL
影响因子: 16
作者:
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DOI: 10.1093/nar/14.5.2287
发表时间: 1986-03-11
影响因子: 14.9
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