期刊
MOLECULAR THERAPY
卷 18, 期 1, 页码 151-160出版社
CELL PRESS
DOI: 10.1038/mt.2009.251
关键词
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资金
- INSERM
- INRA
- University Hospital of Nantes
- Fondation pour la Therapie Genique en Pays de Loire, CLINIGENE
- AFM [13063]
- Nantes, France
In the absence of an immune response from the host, intramuscular (IM) injection of recombinant adeno-associated virus (rAAV) results in the permanent expression of the transgene from mouse to primate models. However, recent gene transfer studies into animal models and humans indicate that the risk of transgene and/or capsid-specific immune responses occurs and depends on multiple factors. Among these factors, the route of delivery is important, although poorly addressed in large animal models. Here, we compare the IM and the drug-free regional intravenous (RI) deliveries of rAAV in nonhuman primate (NHP) skeletal muscle monitoring the host immune response toward the transgene. We show that IM is consistently associated with immunotoxicity and the destruction of the genetically modified myofibers, whereas RI allows the stable expression of the transgene. This has important implications for the design of clinical trials for gene transfer in skeletal muscle.
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