期刊
MOLECULAR THERAPY
卷 25, 期 1, 页码 12-23出版社
CELL PRESS
DOI: 10.1016/j.ymthe.2016.11.010
关键词
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资金
- Hoppy's Hope Foundation
- Philly Cure HD
- Leslie Gehry Brenner Prize
- Foerderer Grant for Excellence
- NIH [NS084475, NS076631]
- Children's Hospital of Philadelphia Research Institute
Huntington disease (HD) is a fatal dominantly inherited neurodegenerative disorder caused by CAG repeat expansion (>36 repeats) within the first exon of the huntingtin gene. Although mutant huntingtin (mHTT) is ubiquitously expressed, the brain shows robust and early degeneration. Current RNA interference -based approaches for lowering mHTT expression have been efficacious in mouse models, but basal mutant protein levels are still detected. To fully mitigate expression from the mutant allele, we hypothesize that allele specific genome editing can occur via prevalent promoter -resident SNPs in heterozygosity with the mutant allele. Here, we identified SNPs that either cause or destroy PAM motifs critical for CRISPR-selective editing of one allele versus the other in cells from HD patients and in a transgenic HD model harboring the human allele.
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