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Updated: Sep 1, 2025

Systemic Delivery of MicroRNA Using Recombinant Adeno-associated Virus Serotype 9 to Treat Neuromuscular Diseases in Rodents
Published on: August 10, 2018
Gene therapy in neuromuscular disorders.
Rodrigo Holanda Mendonça1, Edmar Zanoteli1
1Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, Departamento de Neurologia, São Paulo, SP, Brazil.
Gene therapy offers potential treatment for monogenic neuromuscular disorders by restoring protein levels or silencing toxic genes. Spinal Muscular Atrophy (SMA) showcases successful AAV9 vector gene therapy, highlighting its therapeutic promise.
Area of Science:
- Molecular Biology
- Genetics
- Neurology
Background:
- Monogenic neuromuscular disorders represent a significant unmet medical need.
- Gene therapy presents a promising therapeutic strategy for these conditions.
- Viral vectors are key delivery systems for gene therapy interventions.
Purpose of the Study:
- To review viral vectors and their mechanisms in gene therapy.
- To discuss clinical trials supporting gene therapy for Spinal Muscular Atrophy (SMA).
- To explore gene replacement therapy for other neuromuscular diseases.
Main Methods:
- Review of existing literature on viral vectors for gene therapy.
- Analysis of clinical trial data for approved SMA gene therapy (AVXS-101).
- Examination of gene replacement strategies for neuromuscular disorders.
Main Results:
- Viral vectors enable therapeutic transgene delivery to correct genetic defects.
- AAV9-based gene therapy (AVXS-101) is an approved treatment for SMA.
- Gene replacement therapy shows potential for various monogenic neuromuscular diseases.
Conclusions:
- Gene therapy, particularly using viral vectors, is a viable treatment modality for monogenic neuromuscular disorders.
- The success in SMA validates the potential of gene replacement strategies.
- Further research into gene therapy holds promise for a broader range of neuromuscular conditions.
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