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CRISPR/dCas9-mediated tuning of DMPK transcription reveals a quantitative relationship between toxic repeat RNA expression and MBNL1 activity in myotonic dystrophy

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Myotonic dystrophy type 1 (DM1) is caused by (CUG)n-expanded DMPK transcripts that sequester the splicing factor MBNL1 in the nucleus, resulting in widespread splicing abnormalities. Although significant progress has been made in understanding DM1 pathogenesis... ...