转座酶
转座因子
绿色荧光蛋白
质粒
转染
转基因
生物
计算生物学
基因
潮霉素B
细胞培养
基因传递
细胞生物学
麦克赫里
基因组
遗传学
作者
Eric Kowarz,D Löscher,Rolf Marschalek
标识
DOI:10.1002/biot.201400821
摘要
Abstract Stable gene expression in mammalian cells is a prerequisite for many in vitro and in vivo experiments. However, either the integration of plasmids into mammalian genomes or the use of retro‐/lentiviral systems have intrinsic limitations. The use of transposable elements, e.g. the Sleeping Beauty system (SB), circumvents most of these drawbacks (integration sites, size limitations) and allows the quick generation of stable cell lines. The integration process of SB is catalyzed by a transposase and the handling of this gene transfer system is easy, fast and safe. Here, we report our improvements made to the existing SB vector system and present two new vector types for robust constitutive or inducible expression of any gene of interest. Both types are available in 16 variants with different selection marker (puromycin, hygromycin, blasticidin, neomycin) and fluorescent protein expression (GFP, RFP, BFP) to fit most experimental requirements. With this system it is possible to generate cell lines from stable transfected cells quickly and reliably in a medium‐throughput setting (three to five days). Cell lines robustly express any gene‐of‐interest, either constitutively or tightly regulated by doxycycline. This allows many laboratory experiments to speed up generation of data in a rapid and robust manner.
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