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Updated: Aug 18, 2026

Systemic Delivery of MicroRNA Using Recombinant Adeno-associated Virus Serotype 9 to Treat Neuromuscular Diseases in Rodents
Published on: August 10, 2018
RNA repair: a novel approach to gene therapy
1Center for Genetic and Cellular Therapies, Departments of Surgery and Genetics, Duke University Medical Center, Durham, NC 27710, USA.
Abstract:
Treatment of genetic disorders by gene therapy has conventionally been attempted through the transfer of a wild type version of a gene to the cells of a patient harboring defective copies of a disease associated gene. Despite significant advances using this paradigm, several technical hurdles must still be overcome before this 'gene replacement' approach will become useful in the treatment of a variety of genetic maladies. Such limitations have led a number of researchers to begin to investigate alternative strategies to genetic therapy. Repair of mutant genetic instructions represents a fundamentally different approach to genetic therapy that may have significant advantages over gene replacement. Herein, we will discuss recent advances using repair of mutant RNAs as a novel means to correct genetic deficiencies.
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Nucleotide Excision Repair
Cells are regularly exposed to mutagens—factors in the environment that can damage DNA and generate mutations. UV radiation is one of the most common mutagens and is estimated to introduce a significant number of changes in DNA. These include bends or kinks in the structure, which can block DNA replication or transcription. If these errors are not fixed, the damage can cause mutations, which in turn can result in cancer or disease depending on which sequences are...