Comparison of CRISPR-Cas13b RNA base editing approaches for USH2A-associated inherited retinal degeneration

Abstract excerpt

CRISPR-Cas13 systems have therapeutic promise for the precise correction of point mutations in RNA. Using adenosine deaminase acting on RNA (ADAR) effectors, A-I base conversions can be targeted using guide RNAs (gRNAs). We compare the Cas13 effectors PspCas13b and Cas13bt3 for the repair of the gene USH2A, a common cause of inherited retinal disease and Usher syndrome. In cultured cells, we demonstrate up to 80%...

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