Tag: pegRNAs

Programmable CRISPR-Based Tool ‘Pastes’ in New Genes While Avoiding Double-Strand Breaks

NEW YORK — Researchers at MIT have developed a programmable tool that combines CRISPR and integrases to cut out unwanted stretches of DNA and paste in a replacement. While CRISPR-Cas9 gene editing can make such swaps, it is limited by the need for double-stranded DNA breaks, which can induce undesired…

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Enhancing Prime Editing Efficiency and Flexibility with Tethered and Split pegRNAs

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CRISPR-Cas9 Gene Therapy for Duchenne Muscular Dystrophy

Ishino Y, Shinagawa H, Makino K, et al. Nucleotide sequence of the iap gene, responsible for alkaline phosphatase isozyme conversion in Escherichia coli, and identification of the gene product. J Bacteriol. 1987;169:5429–33. CAS  PubMed  PubMed Central  Google Scholar  Jansen R, van Embden JDA, Gaastra W, et al. Identification of genes…

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Twin Prime Editing Promises More Precise DNA Changes Without Double-Strand Breaks

NEW YORK – Researchers at the Broad Institute have developed a new prime editing method that allows for more precise replacement or excision of DNA sequences at endogenous human genomic sites, without the need for double-strand DNA breaks (DSBs). In a paper published on Thursday in Nature Biotechnology, researchers led…

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