Cited by 344Virus-based gene therapy researchRNA Interference and Gene DeliveryViral Infectious Diseases and Gene Expression in Insects

The DOI matches its Crossref record; 34 of the 36 references it cites were found in a registry or an index.

Helper virus-free, optically controllable, and two-plasmid-based production of adeno-associated virus vectors of serotypes 1 to 6

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Abstract

We present a simple and safe strategy for producing high-titer adeno-associated virus (AAV) vectors derived from six different AAV serotypes (AAV-1 to AAV-6). The method, referred to as "HOT," is helper virus free, optically controllable, and based on transfection of only two plasmids, i.e., an AAV vector construct and one of six novel AAV helper plasmids. The latter were engineered to carry AAV serotype rep and cap genes together with adenoviral helper functions, as well as unique fluorescent protein expression cassettes, allowing confirmation of successful transfection and identification of the transfected plasmid. Cross-packaging of vector DNA derived from AAV-2, -3, or -6 was up to 10-fold more efficient using our novel plasmids, compared to a conservative adenovirus-dependent method. We also identified a variety of useful antibodies, allowing detection of Rep or VP proteins, or assembled capsids, of all six AAV serotypes. Finally, we describe unique cell tropisms and kinetics of transgene expression for AAV serotype vectors in primary or transformed cells from four different species. In sum, the HOT strategy and the antibodies presented here, together with the reported findings, should facilitate and support the further development of AAV serotype vectors as powerful new tools for human gene therapy.

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Metadata

Authors
Grimm, D., Kay, M. A., & Kleinschmidt, J. A.
Affiliations
  • Stanford Medicine (US)
  • German Cancer Research Center (DE)
Corresponding author
Kay, Mark A
Venue
Molecular Therapy
Publisher
Elsevier BV
Published
2003-06
Volume
7
Issue
6
Pages
839-850
ISSN
1525-0016 (ISSN-L)
OpenAlex
W1977797303
Cited by
344
References
36
Citations by year
2026: 4 · 2025: 9 · 2024: 12 · 2023: 10 · 2022: 15 · 2021: 17 · 2020: 12 · 2019: 18 · 2018: 5 · 2017: 17 · 2016: 7 · 2015: 21 · 2014: 12 · 2013: 20 · 2012: 19
FWCI
7.96
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
National Heart, Lung, and Blood Institute (HL66948, U01HL066948)
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 › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Viral Infectious Diseases and Gene Expression in Insects
Keywords
adeno-associated virus vectors, fluorescent protein markers, cell tropism, transgene expression kinetics, gene therapy vectors
MeSH terms
Dependovirus, Cell Line, DNA Replication, DNA-Binding Proteins, Genetic Vectors, Helper Viruses, Humans, Plasmids, Serotyping, Viral Proteins, Virus Replication, Virus Assembly

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