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PROCESS FOR PRODUCING TETRACYCLINE INDUCIBLE GENE EXPRESSING CELL LINE AND CONDITIONAL GENE KNOCKOUT CELL LINE, AND USES THEREOF
PROCESS FOR PRODUCING TETRACYCLINE INDUCIBLE GENE EXPRESSING CELL LINE AND CONDITIONAL GENE KNOCKOUT CELL LINE, AND USES THEREOF
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机译:生产四环素可诱导基因表达细胞系和条件基因敲除细胞系的方法及其用途
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摘要
It is intended to provide a method of screening a so-called Tc inducible gene expressing cell line, in which the expression of a gene of interest is regulated depending on the presence/absence of a Tc compound regardless of the type of cell, easily with high efficiency. A gene-of-interest expression vector for transfecting a gene of interest into the genome of a host cell and a TA expression vector that expresses a transactivator that is switched to be bound or not to be bound to a tet operator sequence depending on the presence or absence of tetracycline are prepared. The gene-of-interest expression vector is a vector with a bicistronic regulatory sequence arranged downstream of the tet operator sequence and promoter sequence and between a gene-of-interest coding sequence and a selection marker coding sequence. These vectors are transfected into a host cell, and cell lines in which the selection marker of the gene-of-interest expression vector is expressed are selected. Thus, inducible gene expressing cell lines can be obtained in which the expression of a gene of interest can be controlled with Tc.
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