An inducible transgenic Cre mouse line for the study of hippocampal development and adult neurogenesis

An inducible transgenic Cre mouse line for the study of hippocampal development and adult neurogenesis
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用于研究海马发育和成年神经发生的可诱导转基因 Cre 小鼠系

DOI:
10.1002/dvg.20765
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发表时间:
2011-12
期刊:
影响因子:
1.5
通讯作者:
Zhao, Chunjie
Zhao, Chunjie
中科院分区:
生物学4区
文献类型:
--
作者:
Li, Yiping;Tian, Chuanxi;Yang, Ying;Yan, Yan;Ni, Yang;Wei, Yiquan;Pleasure, Samuel J.;Zhao, Chunjie

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海马体对学习、记忆和情绪等高级大脑功能至关重要。许多疾病,如癫痫和唐氏综合症,都与早期海马体发育异常有关。此外,成人齿状神经发生在几类精神障碍中被认为是有缺陷的。然而,调控海马区发育和成年神经发生的机制仍不清楚。研究这些过程的局限性之一是缺乏可用的特定鼠标工具。在这里,我们报告了一个可诱导的转基因Cre小鼠品系Frizzled9-Creer™,在该品系中,他莫昔芬诱导Cre重组。我们的数据显示,Cre在发育中的海马体原基中表达,在P20时仅限于颗粒细胞层,并进一步局限于成人齿状回的颗粒下带。Cre重组酶在所有这些区域都显示出非常高的活性。因此,该转基因系将成为了解海马区发育、成人神经发生和相关疾病的机制的有力工具。创世纪49:919-926,2011。©2011 Wiley期刊,Inc.
The hippocampus is crucial for higher brain functions, such as learning, memory, and emotion. Many diseases like epilepsy and Down's syndrome are associated with abnormalities in early hippocampal development. In addition, adult dentate neurogenesis is thought to be defective in several classes of psychiatric disorders. However, the mechanisms regulating hippocampal development and adult neurogenesis remain unclear. One of the limitations to studying these processes is the scarcity of available specific mouse tools. Here, we report an inducible transgenic Cre mouse line, Frizzled 9‐CreER™, in which tamoxifen administration induces Cre recombinant. Our data show that Cre is expressed in the developing hippocampal primordium, confined to the granule cell layer at P20 and further limited to the subgranular zone in the adult dentate gyrus. Cre recombinase shows very high activity in all of these regions. Thus, this transgenic line will be a powerful tool in understanding the mechanisms of hippocampal development, adult neurogenesis, and associated diseases. genesis 49:919–926, 2011. © 2011 Wiley Periodicals, Inc.
DOI: --
发表时间: 1989
影响因子: 3.7
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发表时间: 1989-08
影响因子: 3.7
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DOI: --
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