The prime editor is a fusion protein consisting of a catalytically impaired Cas9 nickase (Cas9n) and an engineered reverse transcriptase (RT). The Cas9n is guided by a prime editing guide RNA (pegRNA) ...
Prime editing can potentially repair the vast majority of known disease-causing human mutations, but the technology, first developed in 2019, has not yet been widely used in the body, or in vivo, to ...