Abstract
Background
Although recombinant adenovirus vectors are attractive for use in gene expression studies and therapeutic applications, the construction of these vectors remains relatively time-consuming. We report here a strategy that simplifies the production of adenoviruses using the Cre-loxP system.
Materials and Methods
Full-length recombinant adenovirus DNA was generated in vitro by Cre-mediated recombination between loxP sites in a linearized shuttle plasmid containing a transgene and adenovirus genomic DNA.
Results
After transfection of Cre-treated DNA into 293 cells, replication-defective viral vectors were rapidly obtained without detectable wild-type virus.
Conclusion
This system facilitates the development of recombinant adenoviral vectors for basic and clinical research.
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Acknowledgments
We thank Ms. Donna Gschwend for secretarial assistance, Ms. Nancy Barrett for preparation of figures, and Ms. Kay Cherian for her helpful advice and comments. This work was supported in part by a grant from the National Institutes of Health (GM34902).
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Communicated by E. Nabel.
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Aoki, K., Barker, C., Danthinne, X. et al. Efficient Generation of Recombinant Adenoviral Vectors by Cre-lox Recombination In Vitro. Mol Med 5, 224–231 (1999). https://doi.org/10.1007/BF03402119
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DOI: https://doi.org/10.1007/BF03402119