Cited by 91Lysosomal Storage Disorders ResearchVirus-based gene therapy researchMetabolism and Genetic Disorders

Correction of Brain Oligodendrocytes by AAVrh.10 Intracerebral Gene Therapy in Metachromatic Leukodystrophy Mice

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Piguet, Françoise, Sondhi, Dolan, Piraud, Monique, Fouquet, Françoise, Hackett, Neil R., Ahouansou, Ornella, Vanier, Marie-Thérèse, Bieche, Ivan +4 more·2012·Human Gene Therapy

Abstract

Metachromatic leukodystrophy (MLD) is a lysosomal storage disorder characterized by accumulation of sulfatides in glial cells and neurons, the result of an inherited deficiency of arylsulfatase A (ARSA; EC 3.1.6.8) and myelin degeneration in the central and peripheral nervous systems. No effective treatment is currently available for the most frequent late infantile (LI) form of MLD, which results in rapid neurological degradation and early death after the onset of clinical manifestations. To potentially arrest or reverse disease progression, ARSA enzyme must be rapidly delivered to brain oligodendrocytes of patients with LI MLD. We previously showed that brain gene therapy with adeno-associated virus serotype 5 (AAV5) driving the expression of human ARSA cDNA under the control of the murine phosphoglycerate kinase (PGK) promoter alleviated most long-term disease manifestations in MLD mice. Herein, we evaluated the short-term effects of AAVrh.10 driving the expression of human ARSA cDNA under the control of the cytomegalovirus/β-actin hybrid (CAG/cu) promoter in 8-month-old MLD mice that already show marked sulfatide accumulation and brain pathology. Within 2 months, and in contrast to results with the AAV5-PGK-ARSA vector, a single intrastriatal injection of AAVrh.10cuARSA resulted in correction of brain sulfatide storage, accumulation of specific sulfatide species in oligodendrocytes, and associated brain pathology in the injected hemisphere. Better potency of the AAVrh.10cuARSA vector was mediated by higher neuronal and oligodendrocyte transduction, axonal transport of the AAVrh.10 vector and ARSA enzyme, as well as higher CAG/cu promoter driven expression of ARSA enzyme. These results strongly support the use of AAVrh.10cuARSA vector for intracerebral gene therapy in rapidly progressing early-onset forms of MLD.

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  1. Von Figura K. Gieselmann V. Jaeken J. Metachromatic leukodystrophy. In: Scriver C., editor; Beaudet A., editor; Sly W., editor; Valle D., editor. The Metabolic, Molecular Bases of Inherited Disease. 8th. McGraw-Hill; New York: 2001. pp. 3695–3724. [Google Scholar]

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Authors
Piguet, F., Sondhi, D., Piraud, M., Fouquet, F., Hackett, N. R., Ahouansou, O., Vanier, M.-T., Bieche, I., Aubourg, P., Crystal, R. G., Cartier, N., & Sevin, C.
Affiliations
  • Inserm (FR)
  • Weill Cornell Medicine (US)
  • Hospices Civils de Lyon (FR)
  • University Paris-Descartes
Corresponding author
Sevin, Caroline
Venue
Human Gene Therapy
Published
2012-05-15
Volume
23
Issue
8
Pages
903-914
ISSN
  • 1043-0342 (ISSN-L)
  • 1557-7422
OpenAlex
W2018332312
Cited by
91
References
45
Citations by year
2026: 3 · 2025: 6 · 2024: 6 · 2023: 10 · 2022: 1 · 2021: 13 · 2020: 7 · 2019: 4 · 2018: 7 · 2017: 2 · 2016: 5 · 2015: 9 · 2014: 11 · 2013: 5 · 2012: 2
Type
journal article
Language
en
Open access
Locations
  • Human Gene Therapy (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • European Commission (241622)
  • Institut National de la Santé et de la Recherche Médicale
  • Association Européenne contre les Leucodystrophies
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (U01NS047458)
Topics
  • Health Sciences › Medicine › Physiology › Lysosomal Storage Disorders Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
Keywords
metachromatic leukodystrophy, oligodendrocytes, sulfatide accumulation, late infantile MLD, axonal transport, myelin degeneration, lysosomal storage disease
MeSH terms
Dependovirus, Animals, Brain, Cerebroside-Sulfatase, Genetic Vectors, Humans, Leukodystrophy, Metachromatic, Neurons, Oligodendroglia, Phosphoglycerate Kinase, Genetic Therapy, Mice

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