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Scientific Articles

Development of CRISPR-Mediated Systems in the Study of Duchenne Muscular Dystrophy

key information

source: Human Gene Therapy Methods

year: 2019

authors: Cai A, Kong X


Duchenne muscular dystrophy (DMD) is a severe type of X-linked recessive degenerative muscle disease caused by mutations in the dystrophin (DMD) gene on the X chromosome. The DMD gene is complex, consisting of 79 exons, and mutations cause changes in the DMD mRNA so that the reading frame is altered, and the muscle-specific isoform of the dystrophin protein is either absent or truncated with variable residual function. The emerging CRISPR-Cas9-mediated genome editing technique is being developed as a potential therapeutic approach to treat DMD because it can permanently replace the mutated dystrophin gene with the normal gene. Prenatal DNA testing can inform whether the female fetus is a carrier of DMD, and the male fetus has inherited a mutation from his mother (50% chance of both). This article summarizes the present status of current and future treatments for DMD.

organization: The First Affiliated Hospital of Zhengzhou University, China

DOI: 10.1089/hgtb.2018.187

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