Cited by 40Virus-based gene therapy researchNeurogenetic and Muscular Disorders ResearchRNA Interference and Gene Delivery

Intracisternal delivery of AAV9 results in oligodendrocyte and motor neuron transduction in the whole central nervous system of cats

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Bucher, T, Dubreil, L, Colle, M-A, Maquigneau, M, Deniaud, J, Ledevin, M, Moullier, P, Joussemet, B·2014·Gene Therapy

Abstract

Systemic and intracerebrospinal fluid delivery of adeno-associated virus serotype 9 (AAV9) has been shown to achieve widespread gene delivery to the central nervous system (CNS). However, after systemic injection, the neurotropism of the vector has been reported to vary according to age at injection, with greater neuronal transduction in newborns and preferential glial cell tropism in adults. This difference has not yet been reported after cerebrospinal fluid (CSF) delivery. The present study analyzed both neuronal and glial cell transduction in the CNS of cats according to age of AAV9 CSF injection. In both newborns and young cats, administration of AAV9-GFP in the cisterna magna resulted in high levels of motor neurons (MNs) transduction from the cervical (84±5%) to the lumbar (99±1%) spinal cord, demonstrating that the remarkable tropism of AAV9 for MNs is not affected by age at CSF delivery. Surprisingly, numerous oligodendrocytes were also transduced in the brain and in the spinal cord white matter of young cats, but not of neonates, indicating that (i) age of CSF delivery influences the tropism of AAV9 for glial cells and (ii) AAV9 intracisternal delivery could be relevant for both the treatment of MN and demyelinating disorders.

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Authors
Bucher, T., Dubreil, L., Colle, M.-A., Maquigneau, M., Deniaud, J., Ledevin, M., Moullier, P., & Joussemet, B.
Affiliations
  • Inserm (FR)
  • Oniris (FR)
Corresponding author
Joussemet, B
Venue
Gene Therapy
Published
2014-02-27
Volume
21
Issue
5
Pages
522-528
ISSN
  • 0969-7128 (ISSN-L)
  • 1476-5462
OpenAlex
W2082402317
Cited by
40
References
40
Citations by year
2026: 1 · 2025: 3 · 2024: 1 · 2023: 2 · 2022: 4 · 2021: 3 · 2020: 4 · 2019: 3 · 2018: 4 · 2017: 6 · 2016: 3 · 2015: 4 · 2014: 2
FWCI
3.28
Type
journal article
Language
en
Open access
Locations
  • Gene Therapy (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Health Sciences › Medicine › Genetics › Neurogenetic and Muscular Disorders Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
Keywords
AAV9, cisterna magna injection, spinal cord, demyelinating disease, motor neuron disease, cats
MeSH terms
Dependovirus, Age Factors, Animals, Brain, Cats, Cerebrospinal Fluid, Genetic Vectors, Motor Neurons, Neuroglia, Neurons, Oligodendroglia, Spinal Cord, Transduction, Genetic, Genetic Therapy, Green Fluorescent Proteins

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