Cited by 178Virus-based gene therapy researchParvovirus B19 Infection StudiesRNA Interference and Gene Delivery

Adeno-Associated Virus Integration: Virus versus Vector

Smith, R H·2008·Gene Therapy

Abstract

Although a large percentage of the world population is seropositive for exposure to various strains of adeno-associated virus (AAV), a human parvovirus, AAV has never been identified as an etiologic agent of human disease. Most likely contributing to the pronounced lack of pathogenicity is the fact that AAV is a naturally defective virus that requires a helper virus for productive replication of its genome. Another unusual aspect of wild-type AAV biology is the ability of the virus to establish latent infection by preferential integration of its genome into a specific locus of human chromosome 19. Site-specific integration was a major impetus for the development of recombinant AAV vectors, which typically lack all AAV coding sequences. It was soon realized, however, that expression of at least one species of the virally encoded initiator proteins, Rep78 or Rep68, is necessary for targeted integration of AAV-derived DNA constructs to occur. This article will present a chronological outline of studies characterizing site-specific integration of wild-type AAV sequences and the quasi-random target site selection observed with recombinant AAV vectors.

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Crossref · 10.1038/gt.2008.55

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Authors
Smith, R. H.
Affiliations
National Institutes of Health (US)
Corresponding author
Smith, R H
Venue
Gene Therapy
Published
2008-04-10
Volume
15
Issue
11
Pages
817-822
ISSN
  • 0969-7128 (ISSN-L)
  • 1476-5462
OpenAlex
W2034226542
Cited by
178
References
32
Citations by year
2026: 1 · 2025: 11 · 2024: 8 · 2023: 11 · 2022: 16 · 2021: 12 · 2020: 11 · 2019: 10 · 2018: 10 · 2017: 8 · 2016: 5 · 2015: 9 · 2014: 11 · 2013: 4 · 2012: 11
FWCI
1.25
Type
journal article
Language
en
Open access
closed
Locations
  • Gene Therapy (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institutes of Health
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Health Sciences › Medicine › Infectious Diseases › Parvovirus B19 Infection Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
Keywords
adeno-associated virus, site-specific integration, chromosome 19, recombinant AAV vectors, Rep78, Rep68, initiator protein, latent infection, target site selection, gene therapy vectors
MeSH terms
Dependovirus, Genetic Vectors, Humans, Transduction, Genetic, Genetic Therapy, Mutagenesis, Site-Directed, Virus Integration, Genome, Viral, Virus Latency

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