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Beschreibung
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Small interfering RNAs (siRNAs) are short, double-stranded RNA molecules that can target and degrade specific complementary mRNAs. The target gene-specific degradation is an effective means of gene suppression. BioVision’s GeneBlockerTM pGB siRNA vectors are designed to provide efficient, long-term suppression of a target gene in cultured mammalian cells and in vivo. The pGB vectors have been optimized for suppressing expression of target genes in mammalian cells by using the human U6 promotor (a RNA polymerase III promotor) which generates large amounts of siRNA in mammalian cells. The pGB expression vector also provides neomycin resistance marker for the selection of stable cell lines, permitting long-term suppression of the target gene. BioVision currently offers pGB siRNA vectors targeting to different caspases, Bcl-2 family members and other apoptosis related genes, as well as pGB siRNA negative control vector and pGB cloning vector for cloning in your own insert. Description of the Vectors: pGB expression vectors contain the human U6 RNA polymerase III promoter, which directs constitutive, high-level expression of short RNA transcripts in many cells. Each vector also contains the neomycin/kanamycin-resistance gene to provide kanamycin resistance in bacteria and the G418 resistance in mammalian cells. The pGB vector is used to clone your own insert. The vector contains two unique restriction sites, BamH I and Xba I for directional cloning. The pGB Negative Control vector contains a insert that does not have significant homology to mammalian genes expressed in human, mouse, and rat, and it can be used as a negative control for pGB-Caspase siRNA vectors. The pGB Caspase siRNA vectors contain the siRNA inserts designed to suppress the expression of each caspase individually.
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