New Genome Editing Method Could Swap Entire Genes and Correct 1000 Mutations at Once

New genome editing method could swap entire genes and correct 1000 mutations at once

New technology enables the insertion of a large segment of DNA into a genome, potentially expanding gene therapy treatment from cancellation of disease-causing mutations to replacement of an entire gene, scientists say.

Prime assembly with linear DNA donors enables large genomic insertions

Targeted insertion of large DNA fragments has promising applications for genome engineering and gene therapy1,2. Twin prime-editing guide RNAs have enabled relatively large insertions, but the efficiency remains low for insertions greater than 400 base pairs3–6. Here we describe a prime assembly (PA) approach for the insertion of large DNA donor fragments, of which the ends are designed to overlap with the flaps generated by twin prime editing (…

Prime Assembly Approach Transforms Gene Therapy With Large DNA Inserts

New technology enables the insertion of a large segment of DNA into a genome, potentially expanding gene therapy treatment from cancellation of disease-causing mutations to replacement of an entire gene, scientists say.

Prime Assembly Achieves Large Genomic Insertions

In a landmark advancement for genome engineering, researchers have unveiled a transformative technique known as prime assembly (PA) that drastically improves the insertion of large DNA fragments into genomes. This development addresses a longstanding bottleneck in gene therapy and genetic manipulation—the efficient integration of extensive DNA sequences exceeding 400 base pairs. By capitalizing on the concept of twin prime-editing guide RNAs (pe…