RECOMBINATION EFFICIENCY BY INHIBITION OF NHEJ DNA REPAIR
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United States of America Patent
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Issued Date -
Oct 9, 2014
app pub date -
Jun 6, 2012
filing date -
Jun 7, 2011
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Abandoned
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Abstract
The present invention relates to a method for modifying a target sequence in the genome of a mammalian cell, the method comprising the step of introducing into a mammalian cell: a. one or more compounds that introduce double-strand breaks in said target sequence; b. one or more DNA molecules comprising a donor DNA sequence to be incorporated by homologous recombination into the genomic DNA of said mammalian cell within said target sequence, wherein said donor DNA sequence is flanked upstream by a first flanking element and downstream by a second flanking element, wherein said first and second flanking element are different and wherein each of said first and second flanking sequence are homologous to a continuous DNA sequence on either side of the double-strand break introduced by said one or more compounds of a. within said target sequence in the genome of said mammalian cell; and c. one or more compounds that decrease the activity of the non-homologous end joining (NHEJ) DNA repair complex in said mammalian cell. Further, the invention relates to a method of producing a non-human mammal carrying a modified target sequence in its genome.
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