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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Generation of mice with a 200-kb amyloid precursor protein gene deletion by Cre recombinase-mediated site-specific recombination in embryonic stem cells
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Generation of mice with a 200-kb amyloid precursor protein gene deletion by Cre recombinase-mediated site-specific recombination in embryonic stem cells

机译:Cre重组酶介导的胚胎干细胞中位点特异性重组产生具有200kb淀粉样前体蛋白基因缺失的小鼠

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摘要

Gene disruptions and deletions of up to 20 kb have been generated by homologous recombination with ap- propriate targeting vectors in murine embryonic stem (ES) cells. Because we could not obtain a deletion of about 200 kb in the mouse amyloid precursor protein gene by the classical technique, we employed strategies involving the insertion of loxP sites upstream and downstream of the region to be deleted by homologous recombination and elicited excision of the loxP-flanked region by introduction of a Cre expression vector into the ES cells.
机译:通过与鼠胚胎干(ES)细胞中适当的靶向载体同源重组,产生了高达20 kb的基因破坏和缺失。由于我们无法通过经典技术在小鼠淀粉样蛋白前体蛋白基因中获得约200 kb的缺失,因此我们采用了以下策略:通过同源重组将loxP位点插入待缺失区域的上游和下游,并引起loxP切除通过将Cre表达载体导入ES细胞来形成侧翼区域。

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