Cited by 121Virus-based gene therapy researchRNA Interference and Gene DeliveryViral Infectious Diseases and Gene Expression in Insects

Efficient mouse airway transduction following recombination between AAV vectors carrying parts of a larger gene

Halbert, Christine L., Allen, James M., Miller, A. Dusty·2002·Nature Biotechnology

Abstract

The small packaging capacity of adeno-associated virus (AAV) vectors limits the utility of this promising vector system for transfer of large genes. We explored the possibility that larger genes could be reconstituted following homologous recombination between AAV vectors carrying overlapping gene fragments. An alkaline phosphatase (AP) gene was split between two such AAV vectors (rec vectors) and packaged using AAV2 or AAV6 capsid proteins. Rec vectors having either capsid protein recombined to express AP in cultured cells at about 1-2% of the rate observed for an intact vector. Surprisingly, the AAV6 rec vectors transduced lung cells in mice almost as efficiently as did an intact vector, with 10% of airway epithelial cells, the target for treatment of cystic fibrosis (CF), being positive. Thus AAV rec vectors may be useful for diseases such as CF that require transfer of large genes.

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Crossref · 10.1038/nbt0702-697

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25 of 25 references verified0 citation errors · 0 not checkable

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  • Simultaneous infection of cells with two vectors containing an overlapping fragment of 440 or 1000 bases of the AP gene could successfully transduce HT-1080 cells, although only at 1-2% efficiency of a vector that expressed AP from a single vector genome.

    “simultaneous infection of cells with two vectors containing an overlapping fragment of 440 or 1000 bases of the AP gene could successfully transduce HT-1080 cells, although only at 1-2% efficiency of a vector that expressed AP from a single vector genome. 43”
  • In mice, the best overlapping vector pair yielded almost identical transduction of the airway epithelium compared with the single-genome virus.

    “In vivo , the best overlapping vector pair yielded almost identical transduction of the airway epithelium when compared with the single-genome virus.”
  • Transduction with overlapping vector pairs was detected only with vector pairs that shared either 440 or 1000-base regions of homology but not with vector pairs without homology.

    “they could detect transduction only with vector pairs that shared either 440or 1000-base regions of homology but not with vector pairs without homology. 43”

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Authors
Halbert, C. L., Allen, J. M., & Miller, A. D.
Affiliations
Fred Hutch Cancer Center (US)
Corresponding author
Miller, A. Dusty
Venue
Nature Biotechnology
Published
2002-07
Volume
20
Issue
7
Pages
697-701
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W2042805311
Cited by
121
References
25
Citations by year
2026: 3 · 2025: 3 · 2024: 3 · 2023: 2 · 2022: 6 · 2021: 2 · 2020: 5 · 2019: 3 · 2018: 4 · 2017: 7 · 2016: 3 · 2015: 9 · 2014: 5 · 2013: 5 · 2012: 5
FWCI
2.65
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Earth Sciences
  • Ministry of Education, India
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (U01HL066947, HL-66947)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK-47754, P30DK047754)
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, homologous recombination, alkaline phosphatase reporter, airway epithelial cells, cystic fibrosis gene therapy
MeSH terms
Dependovirus, Animals, Gene Expression Regulation, Genetic Vectors, Humans, Lung, Mice, Inbred C57BL, Recombination, Genetic, Transduction, Genetic, Respiratory Mucosa, Capsid Proteins, Mice

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