A simple method for the simultaneous detection of E1A and E1B in adenovirus stocks
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- Published online on: January 1, 2004 https://doi.org/10.3892/or.11.1.173
- Pages: 173-178
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Abstract
Recombinant adenoviral vectors have been developed for use as therapeutic agents and for the introduction of exogenous genes into living cells. However, the occurrence of replication-competent adenoviruses (RCA) in adenovirus stocks produced in 293 cells remains a major problem in terms of the safe use of such vectors. To overcome the problems associated with the occurrence of RCA, we have established a simple method for the simultaneous detection of amplified E1A and E1B from RCA that might contaminate adenoviral stocks. The products amplified by polymerase chain reaction (PCR) were fractionated by regular electrophoresis on agarose gels and visualized by staining with ethidium bromide. This method is rapid and inexpensive for detection of RCA in the preparation of adenoviruses.
