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首页> 外文期刊>The European Journal of Neuroscience >Inducible and reversible silencing of the Pvalb gene in mice: An in vitro and in vivo study
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Inducible and reversible silencing of the Pvalb gene in mice: An in vitro and in vivo study

机译:小鼠PVALB基因的诱导和可逆沉默:体外和体内研究

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摘要

Inducible and reversible regulation of gene expression is a powerful approach for unraveling gene functions. Here, we describe the generation of a system to efficiently downregulate in a reversible and inducible manner the Pvalb gene coding for the calcium-binding protein parvalbumin (PV) in mice. We made use of an IPTG-inducible short hairpin RNA to activate Pvalb transcript knockdown and subsequently downregulate PV. The downregulation was rapidly reversed after withdrawal of IPTG. In vitro and in vivo experiments revealed a decrease in PV expression of >= 50% in the presence of IPTG and full reversibility after IPTG removal. We foresee that the tightly regulated and reversible PV downregulation in mice in vivo will provide a new tool for the control of Pvalb transcript expression in a temporal manner. Because PV protein and PVALB transcript levels were found to be lower in the brain of patients with autism spectrum disorder and schizophrenia, the novel transgenic mouse line might serve as a model to investigate the putative role of PV in these neurodevelopmental disorders.
机译:基因表达的诱导和可逆调节是一种用于解开基因功能的强大方法。这里,我们描述了一种系统的产生,以以可逆和诱导的方式有效地下调,编码小鼠中的钙结合蛋白蛋白蛋白酶(PV)的PVALB基因。我们使用IPTG诱导的短发夹RNA来激活PVALB转录物敲低,随后下调PV。在撤离IPTG后,下调迅速逆转。体外和体内实验表明,在IPTG去除后,在IPTG存在下,PV表达> = 50%的降低。我们预见到体内小鼠中的紧密调节和可逆的PV下调将提供一种以时间方式控制PVALB转录物表达的新工具。由于发现PV蛋白和PVALB转录物水平在患有自闭症谱系障碍和精神分裂症患者的脑中,因此新的转基因小鼠线可以作为调查PV在这些神经发育障碍中的推定作用的模型。

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