Cited by 148Virus-based gene therapy researchRNA Interference and Gene DeliveryBarrier Structure and Function Studies

Selection of an Efficient AAV Vector for Robust CNS Transgene Expression

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Hanlon, Killian S., Meltzer, Jonah C., Buzhdygan, Tetyana, Cheng, Ming J., Sena-Esteves, Miguel, Bennett, Rachel E., Sullivan, Timothy P., Razmpour, Roshanak +8 more·2019·Molecular Therapy - Methods & Clinical Development

Abstract

Adeno-associated virus (AAV) capsid libraries have generated improved transgene delivery vectors. We designed an AAV library construct, iTransduce, that combines a peptide library on the AAV9 capsid with a Cre cassette to enable sensitive detection of transgene expression. After only two selection rounds of the library delivered intravenously in transgenic mice carrying a Cre-inducible fluorescent protein, we flow sorted fluorescent cells from brain, and DNA sequencing revealed two dominant capsids. One of the capsids, termed AAV-F, mediated transgene expression in the brain cortex more than 65-fold (astrocytes) and 171-fold (neurons) higher than the parental AAV9. High transduction efficiency was sex-independent and sustained in two mouse strains (C57BL/6 and BALB/c), making it a highly useful capsid for CNS transduction of mice. Future work in large animal models will test the translation potential of AAV-F.

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Authors
Hanlon, K. S., Meltzer, J. C., Buzhdygan, T., Cheng, M. J., Sena-Esteves, M., Bennett, R. E., Sullivan, T. P., Razmpour, R., Gong, Y., Ng, C., Nammour, J., Maiz, D., Dujardin, S., Ramirez, S. H., Hudry, E., & Maguire, C. A.
Affiliations
  • Harvard University (US)
  • Temple University (US)
Corresponding author
Maguire, Casey A.
Venue
Molecular Therapy - Methods & Clinical Development
Publisher
Elsevier BV
Published
2019-12
Volume
15
Pages
320-332
ISSN
2329-0501 (ISSN-L)
OpenAlex
W2982053609
Cited by
148
References
26
Citations by year
2026: 15 · 2025: 21 · 2024: 32 · 2023: 23 · 2022: 23 · 2021: 26 · 2020: 7
FWCI
8.44
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy — Methods & Clinical Development (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • eScholarship@UMassChan (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Institutes of Health
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
  • Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
Keywords
adeno-associated virus, AAV9, transgene expression, peptide libraries, intravenous delivery, flow cytometric cell sorting, astrocytes, neurons, mouse strain comparison

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