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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Spatial and temporal 'knock down' of gene expression by electroporation of double-stranded RNA and morpholinos into early postimplantation mouse embryos.

Here we report the use of double-stranded RNA (dsRNA) and morpholino technologies to specifically 'knock down' gene expression in early postimplantation mouse embryos. Sequence specific interference mediated by either dsRNA or by morpholino has been a useful tool for studying gene function in several organisms. However, specifically for the dsRNA, doubts have been raised about whether it could successfully be applied on vertebrate embryos. We demonstrate that electroporation of dsRNA directed against Otx2 or Foxa2 into postimplantation mouse embryos results in specific knock down of the expression of the respective endogenous genes in a region- and germ-layer specific manner. We also show that electroporation of morpholino directed against Foxa2 into the node of mouse embryos leads to a specific down regulation of Foxa2 expression in the floor plate. Our results demonstrate for the first time that dsRNA and morpholino technologies can be successfully applied in early postimplantation mouse embryos to specifically knock down gene expression.[1]

References

  1. Spatial and temporal 'knock down' of gene expression by electroporation of double-stranded RNA and morpholinos into early postimplantation mouse embryos. Mellitzer, G., Hallonet, M., Chen, L., Ang, S.L. Mech. Dev. (2002) [Pubmed]
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