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Transfection-independent production of alphavirus replicon particles based on poxvirus expression vectors.

Abstract
This report describes a transfection-independent system for packaging alphavirus replicon vectors using modified vaccinia virus Ankara (MVA) vectors to express all of the RNA components necessary for the production of Venezuelan equine encephalitis (VEE) virus replicon particles (VRP). Infection of mammalian cells with these recombinant MVA vectors resulted in robust expression of VEE structural genes, replication of the alphavirus vector and high titers of VRP. In addition, VRP packaging was achieved in a cell type (fetal rhesus lung) that has been approved for the manufacturing of vaccines destined for human use.
AuthorsNikos Vasilakis, Darlene Falvey, Seema S Gangolli, John Coleman, Jacek Kowalski, Stephen A Udem, Timothy J Zamb, Gerald R Kovacs
JournalNature biotechnology (Nat Biotechnol) Vol. 21 Issue 8 Pg. 932-5 (Aug 2003) ISSN: 1087-0156 [Print] United States
PMID12845329 (Publication Type: Journal Article)
Chemical References
  • DNA, Viral
Topics
  • Alphavirus (genetics)
  • DNA, Viral (administration & dosage, genetics)
  • Drug Delivery Systems (methods)
  • Encephalitis Virus, Venezuelan Equine (genetics)
  • Gene Expression Regulation, Viral
  • Gene Transfer Techniques
  • Genetic Vectors
  • Replicon (genetics)
  • Transfection (methods)
  • Vaccinia virus (genetics)
  • Virion (genetics)

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