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Herpesvirus saimiri: a potential gene delivery vector (review)
1School of Biochemistry and Molecular Biology, University of Leeds, Leeds, LS2 9JT, UK. a.whitehouse@leeds.ac.uk
International Journal of Molecular Medicine
|January 15, 2003
Summary
Herpesvirus saimiri (HVS) shows promise as a gene therapy vector. This large DNA virus efficiently infects human cells and provides sustained transgene expression without integrating into the host genome.
Area of Science:
- Virology
- Gene Therapy
- Molecular Biology
Background:
- Current gene therapy vectors have limitations in efficiency and expression.
- Ideal gene delivery systems require efficient delivery and appropriate therapeutic gene expression.
- New viral vectors are essential for advancing gene therapy.
Purpose of the Study:
- To review the potential of Herpesvirus saimiri (HVS) as a gene delivery vector.
- To highlight the properties and development of HVS-based gene delivery systems.
Main Methods:
- Review of existing literature on HVS and gene therapy vectors.
- Analysis of HVS infection efficiency in human cell lines.
- Evaluation of HVS episomal persistence and transgene expression.
Main Results:
- Herpesvirus saimiri (HVS) efficiently infects various human cell lines, particularly carcinoma cells.
- HVS establishes lifelong latent infections with its genome persisting as a stable, non-integrated episome.
- HVS enables sustained transgene expression in dividing cells, both in vitro and in vivo.
Conclusions:
- HVS demonstrates significant potential as a gene delivery vector due to its high infectivity and stable episomal persistence.
- The non-integrating nature of HVS prevents genomic disruption and ensures sustained therapeutic gene expression.
- Continued development of HVS vectors is warranted for future gene therapy applications.