Cited by 196Virus-based gene therapy researchRNA Interference and Gene DeliveryBarrier Structure and Function Studies

AAV8, 9, Rh10, Rh43 Vector Gene Transfer in the Rat Brain: Effects of Serotype, Promoter and Purification Method

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Klein, Ronald L, Dayton, Robert D, Tatom, Jason B, Henderson, Karen M, Henning, Phillip P·2008·Molecular Therapy

Abstract

We compared adeno-associated virus (AAV) serotypes for expression levels of green fluorescent protein (GFP) in the adult rat hippocampus by biophotonic imaging. Preparations of AAV serotypes 8, 9, Rh10, and Rh43 incorporating cytomegalovirus (CMV) promoter-driven GFP were purified by a CsCl method. Neither AAV Rh10 nor AAV Rh43 produced greater levels of GFP than AAV8, which was used as a reference. For AAV9, there was an increase relative to AAV8. The CsCl-purified AAV8 displayed an astroglial transduction pattern in contrast to the expected neuronal expression of other AAVs. After preparing the same CMV-GFP plasmid in AAV8 with an iodixanol purification method, the expected neuronal pattern resulted. The astroglial expression with the CsCl AAV8 was probably due to relatively high levels of protein impurities. We compared the CMV promoter with the CMV/chicken beta-actin (CBA) promoter in the context of AAV8, both prepared by iodixanol, and found the CBA promoter to produce stronger GFP expression. At two doses of vectors optimized for serotype, promoter and purification, we did not observe serotype differences among AAV8, AAV9, or AAV Rh10. The purification method can therefore impact the transduction pattern as well as the results when comparing serotype strengths.

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Crossref · 10.1038/sj.mt.6300331

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Authors
Klein, R. L., Dayton, R. D., Tatom, J. B., Henderson, K. M., & Henning, P. P.
Affiliations
Louisiana State University Health Sciences Center Shreveport (US)
Corresponding author
Klein, Ronald L
Venue
Molecular Therapy
Publisher
Elsevier BV
Published
2008-01
Volume
16
Issue
1
Pages
89-96
ISSN
1525-0016 (ISSN-L)
OpenAlex
W1992976268
Cited by
196
References
29
Citations by year
2026: 1 · 2025: 2 · 2024: 12 · 2023: 9 · 2022: 5 · 2021: 13 · 2020: 8 · 2019: 8 · 2018: 15 · 2017: 4 · 2016: 13 · 2015: 15 · 2014: 15 · 2013: 20 · 2012: 15
FWCI
5.18
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Neurological Disorders and Stroke (R01NS048450)
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 vectors, AAV serotypes, AAV8, AAV9, vector purification, cytomegalovirus promoter, chicken beta-actin promoter, neuronal transduction, hippocampus, GFP expression
MeSH terms
Dependovirus, Animals, Brain Chemistry, Cell Line, Cesium, Chlorides, Genetic Vectors, Hippocampus, Humans, Male, Promoter Regions, Genetic, Serotyping, Transduction, Genetic, Triiodobenzoic Acids, Rats, Sprague-Dawley, Hepatitis B Virus, Woodchuck, Green Fluorescent Proteins, Rats

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