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This video describes the pronuclear injection of lentiviral vectors into the perivitelline space of a fertilized mouse embryo. The lentivirus contains the transgene, which is incorporated into the genome of the fertilized embryo, eventually giving rise to transgenic mice.
All procedures involving animal models have been reviewed by the local institutional animal care committee and the JoVE veterinary review board.
1. Remove cumulus cells from fertilized eggs.
Figure 1: Preparing the microinjection pipettes and genotyping.
(A) Schematic drawings of microinjection pipettes to highlight main differences between pipets used for DNA or lentiviral vector injections. Left panel: the overall shape of both pipette types is drawn. The dashed circle highlights the enlarged area of the pipet tip. Pictures of the p.......
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Source: Dussaud, S. et al., Lentiviral Mediated Production of Transgenic Mice: A Simple and Highly Efficient Method for Direct Study of Founders. J. Vis. Exp. (2018).
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