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Silencing in mice

In an Advanced Online Publication in Nature Genetics, Lewis et al. describe a simple technique for silencing gene expression in postnatal mice using RNA interference (RNAi) (Nature Genetics 29 July 2002, doi:10.1038/ng944). The authors exploited a 'high-pressure delivery' technique to deliver siRNA (short interfering RNA) to the organs of postnatal mice. They injected plasmid solutions into the tail vein and monitored expression of co-injected constructs encoding a firefly luciferase reporter gene. They achieved up to 90% inhibition levels in the liver, spleen, kidney, lung and pancreas. Inhibition of gene expression in the liver was dose-dependent - as little as 0.05 μg siRNA caused a 36% reduction in luciferase gene expression. Lewis et al.also show that injecting siRNA could effectively inhibit transgene expression.

References

  1. 1.

    Nature Genetics, [http://www.nature.com/ng]

  2. 2.

    Potent and specific genetic interference by double-stranded RNA in Caenorhabditis elegans.

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Weitzman, J.B. Silencing in mice. Genome Biol 3, spotlight-20020808-01 (2002). https://doi.org/10.1186/gb-spotlight-20020808-01

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Keywords

  • Silence Gene
  • Luciferase Reporter
  • Tail Vein
  • Firefly Luciferase
  • Luciferase Gene