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Rapid, Stable, High titre production of Recombinant Retrovirus


Stanford Reference:

95-004


Abstract


Rapid, Stable, High titre production of Recombinant Retrovirus

This method of rapid production of high titre retrovirus for large scale production involves a retrovirus construct with an Epstein Barr Virus origin of replication and EBNA protein.

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The nuclear replication and retention functions of the Epstein Barr virus have been used to maintain retroviral vectors episomally with in human-based retroviral packaging cell lines. These hybrid EBV/retroviral vectors are capable of producing helper-free recombinant retovirus as soon as 48 hours, and for at least 30 days, after transfection into 293T-based ecotropic and/or amphotroic retroviral packaging cells. Viral titers greater than 10^7 CFU/ml were obtained after puropycin selection of transfected retrovirus packaging cell lines. This episomal approach to retroviral production circumvents limitations inherent in transient and chromosoally-stable retroviral producer systems thereby affording reproducibly rapid, large scale, high titer retrovirus production.

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Date Released

 8/25/1997
 

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Brenda Martino, Biological Materials Specialist
(650) 725-9119 (Direct)
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