Cited by 41Virus-based gene therapy researchRNA Interference and Gene DeliveryNeurogenetic and Muscular Disorders Research

Evaluation of vascular delivery methodologies to enhance rAAV6-mediated gene transfer to canine striated musculature

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Gregorevic, Paul, Schultz, Brian R, Allen, James M, Halldorson, Jeffrey B, Blankinship, Michael J, Meznarich, Norman A, Kuhr, Christian S, Doremus, Caitlin +3 more·2009·Molecular Therapy

Abstract

A growing body of research supports the development of recombinant adeno-associated viral (rAAV) vectors for delivery of gene expression cassettes to striated musculature as a method of treating severe neuromuscular conditions. However, it is unclear whether delivery protocols that achieve extensive gene transfer in mice can be adapted to produce similarly extensive gene transfer in larger mammals and ultimately patients. Consequently, we sought to investigate methodological modifications that would facilitate rAAV-mediated gene transfer to the striated musculature of canines. A simple procedure incorporating acute (i) occlusion of limb blood flow, (ii) exsanguination via compression bandage, and (iii) vector "dwell" time of <20 minutes, markedly enhanced the transduction of limb muscles, compared with a simple bolus limb infusion of vector. A complementary method whereby vector was infused into the jugular vein led to efficient transduction of cardiomyocytes and to a lesser degree the diaphragm. Together these methods can be used to achieve transgene expression in heart, diaphragm, and limb muscles of juvenile dogs using rAAV6 vectors. These results establish that rAAV-mediated gene delivery is a viable approach to achieving systemic transduction of striated musculature in mammals approaching the dimensions of newborn humans.

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Authors
Gregorevic, P., Schultz, B. R., Allen, J. M., Halldorson, J. B., Blankinship, M. J., Meznarich, N. A., Kuhr, C. S., Doremus, C., Finn, E., Liggitt, D., & Chamberlain, J. S.
Affiliations
University of Washington (US)
Corresponding author
Chamberlain, Jeffrey S
Venue
Molecular Therapy
Publisher
Elsevier BV
Published
2009-08
Volume
17
Issue
8
Pages
1427-1433
ISSN
1525-0016 (ISSN-L)
OpenAlex
W1996773323
Cited by
40
References
35
Citations by year
2023: 1 · 2021: 2 · 2019: 2 · 2018: 2 · 2017: 1 · 2016: 1 · 2015: 2 · 2014: 2 · 2013: 1 · 2012: 7
FWCI
4.51
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Muscular Dystrophy Association
  • University of Washington
  • Achievement Rewards for College Scientists Foundation
  • Fondation ARC pour la Recherche sur le Cancer
  • National Institutes of Health
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (R37AR040864)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Health Sciences › Medicine › Genetics › Neurogenetic and Muscular Disorders Research
Keywords
rAAV vectors, canine model, exsanguination, diaphragm, neuromuscular disorders, transgene expression
MeSH terms
Dependovirus, Alkaline Phosphatase, Animals, Blood Vessels, Diaphragm, Dogs, Genetic Vectors, Hindlimb, Humans, Immunosuppression Therapy, Immunosuppressive Agents, Isoenzymes, Jugular Veins, Mycophenolic Acid, Myocardium, Cyclosporine, Gene Transfer Techniques, Muscle Fibers, Skeletal, Mice, GPI-Linked Proteins

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