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    • 6. 发明申请
    • Efficient generation of expression cell lines through the use of scorable homeostatic reporter genes
    • 通过使用可扫描的稳态报告基因,有效产生表达细胞系
    • US20060286671A1
    • 2006-12-21
    • US11509177
    • 2006-08-23
    • Robert DuBridge
    • Robert DuBridge
    • C12N15/74C12N15/09
    • C07K16/00C12N15/907C12N2800/30C12N2840/203C12Q1/6897
    • The present invention provides methods for site-specific recombination in a cell, as well as vectors which can be employed in such methods. The methods and vectors of the present invention can be used to obtain persistent gene expression in a cell and to modulate gene expression. One preferred method according to the invention comprises contacting a cell with a vector comprising an origin of replication functional in mammalian cells located between first and second recombining sites located in parallel. Another preferred method comprises, in part, contacting a cell with a vector comprising first and second recombining sites in antiparallel orientations such that the vector is internalized by the cell. In both methods, the cell is further provided with a site-specific recombinase that effects recombination between the first and second recombining sites of the vector.
    • 本发明提供了细胞中位点特异性重组的方法,以及可用于这些方法的载体。 本发明的方法和载体可用于获得细胞中持续的基因表达并调节基因表达。 根据本发明的一种优选方法包括使细胞与包含位于平行位于第一和第二重组位点之间的哺乳动物细胞中起作用的复制起点的载体接触。 另一个优选的方法部分地包括使细胞与包含反平行取向的第一和第二重组位点的载体接触,使得载体被细胞内化。 在两种方法中,细胞还提供了一种位点特异性重组酶,其实现载体的第一和第二重组位点之间的重组。