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鲁西黄牛成纤维细胞MSTN基因敲除研究

Journal of Northeast Agricultural University(2010)

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Abstract
肌肉生长抑制素(Myostatin,MSTN)又称GDF-8,属于转化生长因子超家族,是在骨骼肌中广泛表达的一类糖蛋白。试验根据已知牛MSTN基因的序列设计引物,通过PCR技术克隆获得同源长短臂,利用pPNT质粒为骨架构建含有loxP-Neo-loxP结构的打靶载体,然后利用脂质体转染鲁西黄牛成纤维细胞,G418和GANC双向筛选,收集打靶细胞,PCR法进行鉴定,初步确定筛选到的细胞为MSTN基因敲除细胞,为后续试验获得MSTN基因敲除牛奠定了基础。
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Key words
knockout vector,MSTN,gene knock-out,Luxihuangniu fibroblast
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