Cited by 52Virus-based gene therapy researchRNA Interference and Gene DeliveryAnimal Genetics and Reproduction

Helper‐independent and AAV‐ITR‐independent chromosomal integration of double‐stranded linear DNA vectors in mice

Open access
Nakai, Hiroyuki, Montini, Eugenio, Fuess, Sally, Storm, Theresa A, Meuse, Leonard, Finegold, Milton, Grompe, Markus, Kay, Mark A·2003·Molecular Therapy

Abstract

Nonviral plasmid DNA is a promising vector for achieving ex vivo and in vivo gene transfer. However, transgene expression is usually transient, especially in dividing target cells due to loss of vector genomes. Here we describe the use of naked double-stranded (ds) linear DNA as a way to insert exogenous DNA sequences into chromosomes of mouse hepatocytes in vivo, without helper components such as integrase or transposase. We constructed ds linear DNA vectors with or without adeno-associated virus inverted terminal repeats (AAV-ITRs), introduced them into mouse hepatocytes in vivo using a hydrodynamics-based transfection technique, and analyzed for vector genome integration in various ways. Surprisingly, these linear DNA molecules integrated in mouse hepatocytes in vivo at a level of 0.3-0.5 vector genome, or more, per diploid genomic equivalent irrespective of the AAV-ITR sequences. Our results establish a novel and simple way to engineer chromosomes in vivo and provide further insights into the mechanisms of recombinant AAV vector integration in vivo. In addition, they may provide a clue for developing new nonviral integrating gene delivery vector systems.

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Crossref · 10.1016/s1525-0016(02)00023-0

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33 of 33 references verified0 citation errors · 0 not checkable

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Authors
Nakai, H., Montini, E., Fuess, S., Storm, T. A., Meuse, L., Finegold, M., Grompe, M., & Kay, M. A.
Affiliations
  • Stanford Medicine (US)
  • Texas Children's Hospital (US)
  • Oregon Health & Science University (US)
Venue
Molecular Therapy
Publisher
Elsevier BV
Published
2003-01
Volume
7
Issue
1
Pages
101-111
ISSN
1525-0016 (ISSN-L)
OpenAlex
W2083399907
Cited by
52
References
33
Citations by year
2023: 1 · 2022: 1 · 2021: 3 · 2020: 1 · 2018: 1 · 2017: 1 · 2016: 1 · 2015: 2 · 2014: 1 · 2013: 1 · 2012: 3
FWCI
3.50
Type
journal article
Language
en
Open access
Locations
  • Molecular Therapy (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
National Heart, Lung, and Blood Institute (HL64274, R01HL064274)
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 › Genetics › Animal Genetics and Reproduction
Keywords
chromosomal integration, non-viral gene delivery, hepatocytes, hydrodynamic gene transfer, transgene expression, in vivo gene delivery
MeSH terms
Dependovirus, Animals, Base Sequence, Chromosomes, DNA, Mice, Inbred C57BL, Molecular Sequence Data, Blotting, Southern, Hepatocytes, Mice

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