Cited by 1,499Virus-based gene therapy researchRNA Interference and Gene DeliveryBarrier Structure and Function Studies

Efficient transfer, integration, and sustained long-term expression of the transgene in adult rat brains injected with a lentiviral vector.

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Naldini, L, Blömer, U, Gage, F H, Trono, D, Verma, I M·1996·Proceedings of the National Academy of Sciences

Abstract

We describe the construction of a safe, replication-defective and efficient lentiviral vector suitable for in vivo gene delivery. The reverse transcription of the vector was found to be a rate-limiting step; therefore, promoting the reaction inside the vector particles before delivery significantly enhanced the efficiency of gene transfer. After injection into the brain of adult rats, sustained long-term expression of the transgene was obtained in the absence of detectable pathology. A high proportion of the neurons in the areas surrounding the injection sites of the vector expressed the transduced beta-galactosidase gene. This pattern was invariant in animals sacrificed several months after a single administration of the vector. Transduction occurs by integration of the vector genome, as it was abolished by a single amino acid substitution in the catalytic site of the integrase protein incorporated in the vector. Development of clinically acceptable derivatives of the lentiviral vector may thus enable the sustained delivery of significant amounts of a therapeutic gene product in a wide variety of somatic tissues.

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Crossref · 10.1073/pnas.93.21.11382

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  • Previous studies showed that the binding affinity of SARS-CoV for human ACE2 correlated with the rate of viral replication in distinct species, transmissibility and disease severity.

    “Previous studies showed that the binding affinity of SARS-CoV for human ACE2 correlated with the rate of viral replication in distinct species, transmissibility and disease severity 29–31.”

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Authors
Naldini, L., Blömer, U., Gage, F. H., Trono, D., & Verma, I. M.
Affiliations
Salk Institute for Biological Studies (US)
Venue
Proceedings of the National Academy of Sciences
Published
1996-10-15
Volume
93
Issue
21
Pages
11382-11388
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1981449360
Cited by
1,499
References
54
Citations by year
2026: 9 · 2025: 18 · 2024: 11 · 2023: 16 · 2022: 34 · 2021: 55 · 2020: 36 · 2019: 25 · 2018: 32 · 2017: 40 · 2016: 34 · 2015: 40 · 2014: 56 · 2013: 71 · 2012: 88
FWCI
17.79
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Archivio Istituzionale della Ricerca - Università Vita-Salute San Raffaele (submittedVersion)
Funders
  • American Cancer Society
  • American-Italian Cancer Foundation
  • Deutsche Forschungsgemeinschaft
  • National Institutes of Health (5r01ai037510-02, AG10435)
  • U.S. Public Health Service
  • National Institute on Aging (P01AG010435, AG 08514, AG10435)
  • National Institute of Allergy and Infectious Diseases (AI 37510)
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
lentiviral vectors, in vivo gene delivery, transgene integration, reverse transcription, sustained transgene expression, replication-defective virus, beta-galactosidase expression, neuronal transduction, vector safety
MeSH terms
Animals, beta-Galactosidase, Brain, Cell Line, Cytomegalovirus, Genetic Vectors, Humans, Kidney, Lac Operon, Neurons, Safety, Genes, gag, Genes, pol, Lentivirus, Virus Integration, Genes, Reporter, Gene Transfer Techniques, Animals, Genetically Modified, Rats

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