Universitat Basel

Lukas Jeker

Mara Kornete

Lorenza Bordoli Schwede

Torsten Schwede

Rosalba Lepore

Romina Matter Marone

Mike Recher

The invention relates to a method to determine a homology directed repair (HDR) event within a eukaryotic cell, wherein the cell expresses a first isoform of a surface protein, which is different from a second isoform of said surface protein with regard to an amino acid marker. The method comprises the steps of inducing a DNA double strand break, providing a HDR template DNA construct comprising the amino acid marker corresponding to the second isoform of the surface protein and subsequently determining the expression of the first or second isoform of said surface protein on said cell, wherein expression of the second isoform indicates a successful HDR event. The invention also relates to a method for editing a genomic location of interest within a eukaryotic cell, and to a method of selectively depleting or enriching an edited cell in a composition of non-edited and edited cells.

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Riehen, Switzerland

Lukas Jeker