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Development of super-specific epigenome editing by targeted allele-specific DNA methylation

, , , , and . Epigenetics & Chromatin, 16 (1): 41 (Oct 21, 2023)
DOI: 10.1186/s13072-023-00515-5

Abstract

Epigenome editing refers to the targeted reprogramming of genomic loci using an EpiEditor which may consist of an sgRNA/dCas9 complex that recruits DNMT3A/3L to the target locus. Methylation of the locus can lead to a modulation of gene expression. Allele-specific DNA methylation (ASM) refers to the targeted methylation delivery only to one allele of a locus. In the context of diseases caused by a dominant mutation, the selective DNA methylation of the mutant allele could be used to repress its expression but retain the functionality of the normal gene.

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